{"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":"46013","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":18,"concentrationClass":"moderately_concentrated","countyFips":"46013","countyName":"Brown","depositRank":632,"hhi":1689,"hhiPercentile":21.7,"hhiRank":2438,"leadingOrganization":"WELLS FARGO & COMPANY","leadingOrganizationSharePct":26.7,"leaderShareRank":2468,"organizationCount":12,"organizationDepthRank":553,"organizationsOver5pct":5,"profileHref":"/geographies/banking/46013","stateCode":"SD","stateCountyCount":63,"stateHref":"/geographies/south-dakota","stateHhiRank":60,"stateMedianHhi":4148,"stateName":"South Dakota","totalDepositsThousands":1373201,"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":18,"concentrationClass":"moderately_concentrated","countyFips":"46013","countyName":"Brown","depositRank":671,"hhi":1839,"hhiPercentile":27,"hhiRank":2270,"leadingOrganization":"WELLS FARGO & COMPANY","leadingOrganizationSharePct":27.3,"leaderShareRank":2414,"organizationCount":11,"organizationDepthRank":616,"organizationsOver5pct":5,"profileHref":"/geographies/banking/46013","stateCode":"SD","stateCountyCount":63,"stateHref":"/geographies/south-dakota","stateHhiRank":59,"stateMedianHhi":4055,"stateName":"South Dakota","totalDepositsThousands":1326238,"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":17,"concentrationClass":"moderately_concentrated","countyFips":"46013","countyName":"Brown","depositRank":692,"hhi":1834,"hhiPercentile":26,"hhiRank":2300,"leadingOrganization":"DACOTAH BANKS, INC.","leadingOrganizationSharePct":28.3,"leaderShareRank":2336,"organizationCount":11,"organizationDepthRank":604,"organizationsOver5pct":5,"profileHref":"/geographies/banking/46013","stateCode":"SD","stateCountyCount":63,"stateHref":"/geographies/south-dakota","stateHhiRank":59,"stateMedianHhi":4123,"stateName":"South Dakota","totalDepositsThousands":1343371,"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":17,"concentrationClass":"moderately_concentrated","countyFips":"46013","countyName":"Brown","depositRank":693,"hhi":1833,"hhiPercentile":26.1,"hhiRank":2297,"leadingOrganization":"DACOTAH BANKS, INC.","leadingOrganizationSharePct":27.2,"leaderShareRank":2435,"organizationCount":11,"organizationDepthRank":599,"organizationsOver5pct":5,"profileHref":"/geographies/banking/46013","stateCode":"SD","stateCountyCount":63,"stateHref":"/geographies/south-dakota","stateHhiRank":58,"stateMedianHhi":4493,"stateName":"South Dakota","totalDepositsThousands":1372395,"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":15,"concentrationClass":"moderately_concentrated","countyFips":"46013","countyName":"Brown","depositRank":699,"hhi":1783,"hhiPercentile":24,"hhiRank":2366,"leadingOrganization":"DACOTAH BANKS, INC.","leadingOrganizationSharePct":27.2,"leaderShareRank":2424,"organizationCount":11,"organizationDepthRank":600,"organizationsOver5pct":5,"profileHref":"/geographies/banking/46013","stateCode":"SD","stateCountyCount":63,"stateHref":"/geographies/south-dakota","stateHhiRank":59,"stateMedianHhi":4434,"stateName":"South Dakota","totalDepositsThousands":1420582,"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":15,"concentrationClass":"moderately_concentrated","countyFips":"46013","countyName":"Brown","depositRank":690,"hhi":1814,"hhiPercentile":23.9,"hhiRank":2369,"leadingOrganization":"DACOTAH BANKS, INC.","leadingOrganizationSharePct":28,"leaderShareRank":2406,"organizationCount":11,"organizationDepthRank":585,"organizationsOver5pct":5,"profileHref":"/geographies/banking/46013","stateCode":"SD","stateCountyCount":64,"stateHref":"/geographies/south-dakota","stateHhiRank":60,"stateMedianHhi":4506,"stateName":"South Dakota","totalDepositsThousands":1661747,"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":14,"concentrationClass":"moderately_concentrated","countyFips":"46013","countyName":"Brown","depositRank":725,"hhi":1951,"hhiPercentile":27.5,"hhiRank":2254,"leadingOrganization":"DACOTAH BANKS, INC.","leadingOrganizationSharePct":34.1,"leaderShareRank":1961,"organizationCount":10,"organizationDepthRank":673,"organizationsOver5pct":5,"profileHref":"/geographies/banking/46013","stateCode":"SD","stateCountyCount":64,"stateHref":"/geographies/south-dakota","stateHhiRank":59,"stateMedianHhi":4630,"stateName":"South Dakota","totalDepositsThousands":1730416,"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":15,"concentrationClass":"moderately_concentrated","countyFips":"46013","countyName":"Brown","depositRank":724,"hhi":1951,"hhiPercentile":27.2,"hhiRank":2265,"leadingOrganization":"DACOTAH BANKS, INC.","leadingOrganizationSharePct":35.3,"leaderShareRank":1896,"organizationCount":11,"organizationDepthRank":577,"organizationsOver5pct":5,"profileHref":"/geographies/banking/46013","stateCode":"SD","stateCountyCount":64,"stateHref":"/geographies/south-dakota","stateHhiRank":58,"stateMedianHhi":4825,"stateName":"South Dakota","totalDepositsThousands":1836420,"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":15,"concentrationClass":"moderately_concentrated","countyFips":"46013","countyName":"Brown","depositRank":729,"hhi":2016,"hhiPercentile":28.7,"hhiRank":2218,"leadingOrganization":"DACOTAH BANKS, INC.","leadingOrganizationSharePct":37.6,"leaderShareRank":1743,"organizationCount":11,"organizationDepthRank":572,"organizationsOver5pct":6,"profileHref":"/geographies/banking/46013","stateCode":"SD","stateCountyCount":64,"stateHref":"/geographies/south-dakota","stateHhiRank":58,"stateMedianHhi":4814,"stateName":"South Dakota","totalDepositsThousands":1764896,"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":15,"concentrationClass":"moderately_concentrated","countyFips":"46013","countyName":"Brown","depositRank":722,"hhi":2392,"hhiPercentile":39.5,"hhiRank":1881,"leadingOrganization":"DACOTAH BANKS, INC.","leadingOrganizationSharePct":43.3,"leaderShareRank":1390,"organizationCount":11,"organizationDepthRank":570,"organizationsOver5pct":5,"profileHref":"/geographies/banking/46013","stateCode":"SD","stateCountyCount":64,"stateHref":"/geographies/south-dakota","stateHhiRank":57,"stateMedianHhi":4938,"stateName":"South Dakota","totalDepositsThousands":1830182,"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":15,"concentrationClass":"highly_concentrated","countyFips":"46013","countyName":"Brown","depositRank":708,"hhi":2526,"hhiPercentile":43,"hhiRank":1769,"leadingOrganization":"DACOTAH BANKS, INC.","leadingOrganizationSharePct":45.2,"leaderShareRank":1305,"organizationCount":11,"organizationDepthRank":580,"organizationsOver5pct":4,"profileHref":"/geographies/banking/46013","stateCode":"SD","stateCountyCount":64,"stateHref":"/geographies/south-dakota","stateHhiRank":56,"stateMedianHhi":4820,"stateName":"South Dakota","totalDepositsThousands":1952930,"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."}]}