{"license":"https://creativecommons.org/licenses/by/4.0/","dataset":"banking-markets","screenKey":"us-county-bank-branch-deposits","screenLabel":"County FDIC-insured branch deposits","history":true,"temporalCoverage":{"firstYear":2015,"latestYear":2025,"yearCount":11},"years":[2015,2016,2017,2018,2019,2020,2021,2022,2023,2024,2025],"metricLabel":"County deposit HHI","metricUnit":"HHI (0-10,000)","summary":{"firstYear":2015,"latestYear":2025,"latestYearCountyCount":3104,"observationCount":34193,"observationsByYear":[{"countyCount":3112,"year":2015},{"countyCount":3108,"year":2016},{"countyCount":3108,"year":2017},{"countyCount":3109,"year":2018},{"countyCount":3111,"year":2019},{"countyCount":3110,"year":2020},{"countyCount":3109,"year":2021},{"countyCount":3109,"year":2022},{"countyCount":3108,"year":2023},{"countyCount":3105,"year":2024},{"countyCount":3104,"year":2025}],"yearCount":11},"source":{"accessDate":"2026-07-20","apiUrl":"https://api.fdic.gov/banks/sod?filters=YEAR%3A%5B2015%20TO%202025%5D&fields=YEAR%2CCERT%2CNAMEFULL%2CSTALPBR%2CSTNAMEBR%2CSTCNTYBR%2CCNTYNAMB%2CDEPSUMBR%2CRSSDHCR%2CNAMEHCR","confidenceLevel":"high","dataStatus":"estimated_public","id":"fdic-sod-2025","methodologyNote":"Antitrust Radar independently aggregates each annual June 30 Summary of Deposits vintage from 2015 through 2025 using the FDIC-reported top bank holding company when available and otherwise the insured institution certificate. No values are interpolated across missing or changed geographies.","publisher":"Federal Deposit Insurance Corporation","title":"Annual Summary of Deposits, 2015-2025","url":"https://banks.data.fdic.gov/bankfind-suite/SOD","profileHref":"/sources/fdic-sod-2025"},"guardrail":"Annual county rows are independent June 30 branch-deposit screens, not interpolated observations or legal market definitions. Reported ownership structures, branch booking, county names, and FIPS boundaries can change between vintages; deposit values are nominal and should not be read as inflation-adjusted growth.","methodologyNote":"Antitrust Radar independently aggregates each annual June 30 Summary of Deposits vintage from 2015 through 2025 using the FDIC-reported top bank holding company when available and otherwise the insured institution certificate. No values are interpolated across missing or changed geographies.","methodologyHref":"/methodology#county-banking-screen","matchedCount":11,"count":11,"filters":{"states":[],"statesMatched":true,"matchedStateCodes":[],"county":null,"countyMatched":null,"fips":"46091","fipsMatched":true,"fipses":[],"fipsesMatched":null,"matchedFipses":[],"unmatchedFipses":[],"selectionOrder":false,"history":"true","historyMatched":true,"from":2015,"fromMatched":true,"to":2025,"toMatched":true,"rangeMatched":true,"query":null,"concentrationClass":null,"concentrationClassMatched":true,"source":null,"sourceMatched":null,"year":null,"yearMatched":null,"sort":"year","sortMatched":true,"order":"asc","orderMatched":true,"limit":null,"limitMatched":true},"availableSorts":["year","hhi","leader_share","organizations","branches","deposits","county"],"availableConcentrationClasses":["unconcentrated","moderately_concentrated","highly_concentrated"],"rows":[{"branchCount":5,"concentrationClass":"highly_concentrated","countyFips":"46091","countyName":"Marshall","depositRank":2766,"hhi":3276,"hhiPercentile":64.2,"hhiRank":1114,"leadingOrganization":"First Savings Bank","leadingOrganizationSharePct":49,"leaderShareRank":975,"organizationCount":4,"organizationDepthRank":2016,"organizationsOver5pct":4,"profileHref":"/geographies/banking/46091","stateCode":"SD","stateCountyCount":63,"stateHref":"/geographies/south-dakota","stateHhiRank":43,"stateMedianHhi":4148,"stateName":"South Dakota","totalDepositsThousands":99540,"year":2015,"annualCountyCount":3112,"sourceId":"fdic-sod-2025","sourceTitle":"Annual Summary of Deposits, 2015-2025","sourcePublisher":"Federal Deposit Insurance Corporation","sourceUrl":"https://banks.data.fdic.gov/bankfind-suite/SOD","sourceProfileHref":"/sources/fdic-sod-2025","accessDate":"2026-07-20","dataStatus":"estimated_public","confidenceLevel":"high","methodologyNote":"Antitrust Radar independently aggregates each annual June 30 Summary of Deposits vintage from 2015 through 2025 using the FDIC-reported top bank holding company when available and otherwise the insured institution certificate. No values are interpolated across missing or changed geographies.","methodologyHref":"/methodology#county-banking-screen","guardrail":"Annual county rows are independent June 30 branch-deposit screens, not interpolated observations or legal market definitions. Reported ownership structures, branch booking, county names, and FIPS boundaries can change between vintages; deposit values are nominal and should not be read as inflation-adjusted growth."},{"branchCount":5,"concentrationClass":"highly_concentrated","countyFips":"46091","countyName":"Marshall","depositRank":2729,"hhi":3531,"hhiPercentile":68.6,"hhiRank":976,"leadingOrganization":"FARRAR BERESFORD BANCORPORATION INC. IRREVOCABLE TRUST","leadingOrganizationSharePct":52.7,"leaderShareRank":804,"organizationCount":4,"organizationDepthRank":2009,"organizationsOver5pct":4,"profileHref":"/geographies/banking/46091","stateCode":"SD","stateCountyCount":63,"stateHref":"/geographies/south-dakota","stateHhiRank":42,"stateMedianHhi":4055,"stateName":"South Dakota","totalDepositsThousands":106811,"year":2016,"annualCountyCount":3108,"sourceId":"fdic-sod-2025","sourceTitle":"Annual Summary of Deposits, 2015-2025","sourcePublisher":"Federal Deposit Insurance Corporation","sourceUrl":"https://banks.data.fdic.gov/bankfind-suite/SOD","sourceProfileHref":"/sources/fdic-sod-2025","accessDate":"2026-07-20","dataStatus":"estimated_public","confidenceLevel":"high","methodologyNote":"Antitrust Radar independently aggregates each annual June 30 Summary of Deposits vintage from 2015 through 2025 using the FDIC-reported top bank holding company when available and otherwise the insured institution certificate. No values are interpolated across missing or changed geographies.","methodologyHref":"/methodology#county-banking-screen","guardrail":"Annual county rows are independent June 30 branch-deposit screens, not interpolated observations or legal market definitions. Reported ownership structures, branch booking, county names, and FIPS boundaries can change between vintages; deposit values are nominal and should not be read as inflation-adjusted growth."},{"branchCount":5,"concentrationClass":"highly_concentrated","countyFips":"46091","countyName":"Marshall","depositRank":2753,"hhi":3728,"hhiPercentile":71.2,"hhiRank":897,"leadingOrganization":"FARRAR BERESFORD BANCORPORATION INC. IRREVOCABLE TRUST","leadingOrganizationSharePct":55.2,"leaderShareRank":716,"organizationCount":4,"organizationDepthRank":2000,"organizationsOver5pct":4,"profileHref":"/geographies/banking/46091","stateCode":"SD","stateCountyCount":63,"stateHref":"/geographies/south-dakota","stateHhiRank":39,"stateMedianHhi":4123,"stateName":"South Dakota","totalDepositsThousands":104152,"year":2017,"annualCountyCount":3108,"sourceId":"fdic-sod-2025","sourceTitle":"Annual Summary of Deposits, 2015-2025","sourcePublisher":"Federal Deposit Insurance Corporation","sourceUrl":"https://banks.data.fdic.gov/bankfind-suite/SOD","sourceProfileHref":"/sources/fdic-sod-2025","accessDate":"2026-07-20","dataStatus":"estimated_public","confidenceLevel":"high","methodologyNote":"Antitrust Radar independently aggregates each annual June 30 Summary of Deposits vintage from 2015 through 2025 using the FDIC-reported top bank holding company when available and otherwise the insured institution certificate. No values are interpolated across missing or changed geographies.","methodologyHref":"/methodology#county-banking-screen","guardrail":"Annual county rows are independent June 30 branch-deposit screens, not interpolated observations or legal market definitions. Reported ownership structures, branch booking, county names, and FIPS boundaries can change between vintages; deposit values are nominal and should not be read as inflation-adjusted growth."},{"branchCount":4,"concentrationClass":"highly_concentrated","countyFips":"46091","countyName":"Marshall","depositRank":2744,"hhi":5930,"hhiPercentile":90.1,"hhiRank":310,"leadingOrganization":"FARRAR BERESFORD BANCORPORATION INC. IRREVOCABLE TRUST","leadingOrganizationSharePct":74.9,"leaderShareRank":282,"organizationCount":3,"organizationDepthRank":2332,"organizationsOver5pct":3,"profileHref":"/geographies/banking/46091","stateCode":"SD","stateCountyCount":63,"stateHref":"/geographies/south-dakota","stateHhiRank":15,"stateMedianHhi":4493,"stateName":"South Dakota","totalDepositsThousands":108024,"year":2018,"annualCountyCount":3109,"sourceId":"fdic-sod-2025","sourceTitle":"Annual Summary of Deposits, 2015-2025","sourcePublisher":"Federal Deposit Insurance Corporation","sourceUrl":"https://banks.data.fdic.gov/bankfind-suite/SOD","sourceProfileHref":"/sources/fdic-sod-2025","accessDate":"2026-07-20","dataStatus":"estimated_public","confidenceLevel":"high","methodologyNote":"Antitrust Radar independently aggregates each annual June 30 Summary of Deposits vintage from 2015 through 2025 using the FDIC-reported top bank holding company when available and otherwise the insured institution certificate. No values are interpolated across missing or changed geographies.","methodologyHref":"/methodology#county-banking-screen","guardrail":"Annual county rows are independent June 30 branch-deposit screens, not interpolated observations or legal market definitions. Reported ownership structures, branch booking, county names, and FIPS boundaries can change between vintages; deposit values are nominal and should not be read as inflation-adjusted growth."},{"branchCount":4,"concentrationClass":"highly_concentrated","countyFips":"46091","countyName":"Marshall","depositRank":2779,"hhi":5812,"hhiPercentile":89.7,"hhiRank":322,"leadingOrganization":"FARRAR BERESFORD BANCORPORATION INC. IRREVOCABLE TRUST","leadingOrganizationSharePct":74,"leaderShareRank":305,"organizationCount":3,"organizationDepthRank":2320,"organizationsOver5pct":3,"profileHref":"/geographies/banking/46091","stateCode":"SD","stateCountyCount":63,"stateHref":"/geographies/south-dakota","stateHhiRank":15,"stateMedianHhi":4434,"stateName":"South Dakota","totalDepositsThousands":102279,"year":2019,"annualCountyCount":3111,"sourceId":"fdic-sod-2025","sourceTitle":"Annual Summary of Deposits, 2015-2025","sourcePublisher":"Federal Deposit Insurance Corporation","sourceUrl":"https://banks.data.fdic.gov/bankfind-suite/SOD","sourceProfileHref":"/sources/fdic-sod-2025","accessDate":"2026-07-20","dataStatus":"estimated_public","confidenceLevel":"high","methodologyNote":"Antitrust Radar independently aggregates each annual June 30 Summary of Deposits vintage from 2015 through 2025 using the FDIC-reported top bank holding company when available and otherwise the insured institution certificate. No values are interpolated across missing or changed geographies.","methodologyHref":"/methodology#county-banking-screen","guardrail":"Annual county rows are independent June 30 branch-deposit screens, not interpolated observations or legal market definitions. Reported ownership structures, branch booking, county names, and FIPS boundaries can change between vintages; deposit values are nominal and should not be read as inflation-adjusted growth."},{"branchCount":4,"concentrationClass":"highly_concentrated","countyFips":"46091","countyName":"Marshall","depositRank":2763,"hhi":5846,"hhiPercentile":89.2,"hhiRank":336,"leadingOrganization":"FARRAR BERESFORD BANCORPORATION INC. IRREVOCABLE TRUST","leadingOrganizationSharePct":74.2,"leaderShareRank":312,"organizationCount":3,"organizationDepthRank":2307,"organizationsOver5pct":3,"profileHref":"/geographies/banking/46091","stateCode":"SD","stateCountyCount":64,"stateHref":"/geographies/south-dakota","stateHhiRank":16,"stateMedianHhi":4506,"stateName":"South Dakota","totalDepositsThousands":116325,"year":2020,"annualCountyCount":3110,"sourceId":"fdic-sod-2025","sourceTitle":"Annual Summary of Deposits, 2015-2025","sourcePublisher":"Federal Deposit Insurance Corporation","sourceUrl":"https://banks.data.fdic.gov/bankfind-suite/SOD","sourceProfileHref":"/sources/fdic-sod-2025","accessDate":"2026-07-20","dataStatus":"estimated_public","confidenceLevel":"high","methodologyNote":"Antitrust Radar independently aggregates each annual June 30 Summary of Deposits vintage from 2015 through 2025 using the FDIC-reported top bank holding company when available and otherwise the insured institution certificate. No values are interpolated across missing or changed geographies.","methodologyHref":"/methodology#county-banking-screen","guardrail":"Annual county rows are independent June 30 branch-deposit screens, not interpolated observations or legal market definitions. Reported ownership structures, branch booking, county names, and FIPS boundaries can change between vintages; deposit values are nominal and should not be read as inflation-adjusted growth."},{"branchCount":4,"concentrationClass":"highly_concentrated","countyFips":"46091","countyName":"Marshall","depositRank":2697,"hhi":5217,"hhiPercentile":84.9,"hhiRank":472,"leadingOrganization":"FARRAR BERESFORD BANCORPORATION INC. IRREVOCABLE TRUST","leadingOrganizationSharePct":68.6,"leaderShareRank":402,"organizationCount":3,"organizationDepthRank":2282,"organizationsOver5pct":3,"profileHref":"/geographies/banking/46091","stateCode":"SD","stateCountyCount":64,"stateHref":"/geographies/south-dakota","stateHhiRank":24,"stateMedianHhi":4630,"stateName":"South Dakota","totalDepositsThousands":143393,"year":2021,"annualCountyCount":3109,"sourceId":"fdic-sod-2025","sourceTitle":"Annual Summary of Deposits, 2015-2025","sourcePublisher":"Federal Deposit Insurance Corporation","sourceUrl":"https://banks.data.fdic.gov/bankfind-suite/SOD","sourceProfileHref":"/sources/fdic-sod-2025","accessDate":"2026-07-20","dataStatus":"estimated_public","confidenceLevel":"high","methodologyNote":"Antitrust Radar independently aggregates each annual June 30 Summary of Deposits vintage from 2015 through 2025 using the FDIC-reported top bank holding company when available and otherwise the insured institution certificate. No values are interpolated across missing or changed geographies.","methodologyHref":"/methodology#county-banking-screen","guardrail":"Annual county rows are independent June 30 branch-deposit screens, not interpolated observations or legal market definitions. Reported ownership structures, branch booking, county names, and FIPS boundaries can change between vintages; deposit values are nominal and should not be read as inflation-adjusted growth."},{"branchCount":4,"concentrationClass":"highly_concentrated","countyFips":"46091","countyName":"Marshall","depositRank":2636,"hhi":5553,"hhiPercentile":86.8,"hhiRank":412,"leadingOrganization":"FARRAR BERESFORD BANCORPORATION INC. IRREVOCABLE TRUST","leadingOrganizationSharePct":71.8,"leaderShareRank":372,"organizationCount":3,"organizationDepthRank":2267,"organizationsOver5pct":3,"profileHref":"/geographies/banking/46091","stateCode":"SD","stateCountyCount":64,"stateHref":"/geographies/south-dakota","stateHhiRank":19,"stateMedianHhi":4825,"stateName":"South Dakota","totalDepositsThousands":165463,"year":2022,"annualCountyCount":3109,"sourceId":"fdic-sod-2025","sourceTitle":"Annual Summary of Deposits, 2015-2025","sourcePublisher":"Federal Deposit Insurance Corporation","sourceUrl":"https://banks.data.fdic.gov/bankfind-suite/SOD","sourceProfileHref":"/sources/fdic-sod-2025","accessDate":"2026-07-20","dataStatus":"estimated_public","confidenceLevel":"high","methodologyNote":"Antitrust Radar independently aggregates each annual June 30 Summary of Deposits vintage from 2015 through 2025 using the FDIC-reported top bank holding company when available and otherwise the insured institution certificate. No values are interpolated across missing or changed geographies.","methodologyHref":"/methodology#county-banking-screen","guardrail":"Annual county rows are independent June 30 branch-deposit screens, not interpolated observations or legal market definitions. Reported ownership structures, branch booking, county names, and FIPS boundaries can change between vintages; deposit values are nominal and should not be read as inflation-adjusted growth."},{"branchCount":4,"concentrationClass":"highly_concentrated","countyFips":"46091","countyName":"Marshall","depositRank":2733,"hhi":4832,"hhiPercentile":78.7,"hhiRank":663,"leadingOrganization":"FARRAR BERESFORD BANCORPORATION INC. IRREVOCABLE TRUST","leadingOrganizationSharePct":64.9,"leaderShareRank":513,"organizationCount":3,"organizationDepthRank":2259,"organizationsOver5pct":3,"profileHref":"/geographies/banking/46091","stateCode":"SD","stateCountyCount":64,"stateHref":"/geographies/south-dakota","stateHhiRank":32,"stateMedianHhi":4814,"stateName":"South Dakota","totalDepositsThousands":138853,"year":2023,"annualCountyCount":3108,"sourceId":"fdic-sod-2025","sourceTitle":"Annual Summary of Deposits, 2015-2025","sourcePublisher":"Federal Deposit Insurance Corporation","sourceUrl":"https://banks.data.fdic.gov/bankfind-suite/SOD","sourceProfileHref":"/sources/fdic-sod-2025","accessDate":"2026-07-20","dataStatus":"estimated_public","confidenceLevel":"high","methodologyNote":"Antitrust Radar independently aggregates each annual June 30 Summary of Deposits vintage from 2015 through 2025 using the FDIC-reported top bank holding company when available and otherwise the insured institution certificate. No values are interpolated across missing or changed geographies.","methodologyHref":"/methodology#county-banking-screen","guardrail":"Annual county rows are independent June 30 branch-deposit screens, not interpolated observations or legal market definitions. Reported ownership structures, branch booking, county names, and FIPS boundaries can change between vintages; deposit values are nominal and should not be read as inflation-adjusted growth."},{"branchCount":4,"concentrationClass":"highly_concentrated","countyFips":"46091","countyName":"Marshall","depositRank":2740,"hhi":4601,"hhiPercentile":76.9,"hhiRank":718,"leadingOrganization":"FARRAR BERESFORD BANCORPORATION INC. IRREVOCABLE TRUST","leadingOrganizationSharePct":62.4,"leaderShareRank":591,"organizationCount":3,"organizationDepthRank":2256,"organizationsOver5pct":3,"profileHref":"/geographies/banking/46091","stateCode":"SD","stateCountyCount":64,"stateHref":"/geographies/south-dakota","stateHhiRank":35,"stateMedianHhi":4938,"stateName":"South Dakota","totalDepositsThousands":138946,"year":2024,"annualCountyCount":3105,"sourceId":"fdic-sod-2025","sourceTitle":"Annual Summary of Deposits, 2015-2025","sourcePublisher":"Federal Deposit Insurance Corporation","sourceUrl":"https://banks.data.fdic.gov/bankfind-suite/SOD","sourceProfileHref":"/sources/fdic-sod-2025","accessDate":"2026-07-20","dataStatus":"estimated_public","confidenceLevel":"high","methodologyNote":"Antitrust Radar independently aggregates each annual June 30 Summary of Deposits vintage from 2015 through 2025 using the FDIC-reported top bank holding company when available and otherwise the insured institution certificate. No values are interpolated across missing or changed geographies.","methodologyHref":"/methodology#county-banking-screen","guardrail":"Annual county rows are independent June 30 branch-deposit screens, not interpolated observations or legal market definitions. Reported ownership structures, branch booking, county names, and FIPS boundaries can change between vintages; deposit values are nominal and should not be read as inflation-adjusted growth."},{"branchCount":4,"concentrationClass":"highly_concentrated","countyFips":"46091","countyName":"Marshall","depositRank":2757,"hhi":4462,"hhiPercentile":75.8,"hhiRank":751,"leadingOrganization":"FARRAR BERESFORD BANCORPORATION INC. IRREVOCABLE TRUST","leadingOrganizationSharePct":60.8,"leaderShareRank":637,"organizationCount":3,"organizationDepthRank":2247,"organizationsOver5pct":3,"profileHref":"/geographies/banking/46091","stateCode":"SD","stateCountyCount":64,"stateHref":"/geographies/south-dakota","stateHhiRank":36,"stateMedianHhi":4820,"stateName":"South Dakota","totalDepositsThousands":136075,"year":2025,"annualCountyCount":3104,"sourceId":"fdic-sod-2025","sourceTitle":"Annual Summary of Deposits, 2015-2025","sourcePublisher":"Federal Deposit Insurance Corporation","sourceUrl":"https://banks.data.fdic.gov/bankfind-suite/SOD","sourceProfileHref":"/sources/fdic-sod-2025","accessDate":"2026-07-20","dataStatus":"estimated_public","confidenceLevel":"high","methodologyNote":"Antitrust Radar independently aggregates each annual June 30 Summary of Deposits vintage from 2015 through 2025 using the FDIC-reported top bank holding company when available and otherwise the insured institution certificate. No values are interpolated across missing or changed geographies.","methodologyHref":"/methodology#county-banking-screen","guardrail":"Annual county rows are independent June 30 branch-deposit screens, not interpolated observations or legal market definitions. Reported ownership structures, branch booking, county names, and FIPS boundaries can change between vintages; deposit values are nominal and should not be read as inflation-adjusted growth."}]}