{"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. 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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":"46003","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":3,"concentrationClass":"highly_concentrated","countyFips":"46003","countyName":"Aurora","depositRank":2600,"hhi":5416,"hhiPercentile":88.6,"hhiRank":355,"leadingOrganization":"PAGE HOLDING COMPANY","leadingOrganizationSharePct":64.4,"leaderShareRank":433,"organizationCount":2,"organizationDepthRank":2688,"organizationsOver5pct":2,"profileHref":"/geographies/banking/46003","stateCode":"SD","stateCountyCount":63,"stateHref":"/geographies/south-dakota","stateHhiRank":17,"stateMedianHhi":4148,"stateName":"South Dakota","totalDepositsThousands":130024,"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. 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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":3,"concentrationClass":"highly_concentrated","countyFips":"46003","countyName":"Aurora","depositRank":2594,"hhi":5569,"hhiPercentile":89,"hhiRank":343,"leadingOrganization":"PAGE HOLDING COMPANY","leadingOrganizationSharePct":66.9,"leaderShareRank":393,"organizationCount":2,"organizationDepthRank":2671,"organizationsOver5pct":2,"profileHref":"/geographies/banking/46003","stateCode":"SD","stateCountyCount":63,"stateHref":"/geographies/south-dakota","stateHhiRank":15,"stateMedianHhi":4123,"stateName":"South Dakota","totalDepositsThousands":133066,"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":3,"concentrationClass":"highly_concentrated","countyFips":"46003","countyName":"Aurora","depositRank":2571,"hhi":5545,"hhiPercentile":88.6,"hhiRank":355,"leadingOrganization":"PAGE HOLDING COMPANY","leadingOrganizationSharePct":66.5,"leaderShareRank":411,"organizationCount":2,"organizationDepthRank":2667,"organizationsOver5pct":2,"profileHref":"/geographies/banking/46003","stateCode":"SD","stateCountyCount":63,"stateHref":"/geographies/south-dakota","stateHhiRank":18,"stateMedianHhi":4493,"stateName":"South Dakota","totalDepositsThousands":140713,"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":3,"concentrationClass":"highly_concentrated","countyFips":"46003","countyName":"Aurora","depositRank":2519,"hhi":5484,"hhiPercentile":87.9,"hhiRank":377,"leadingOrganization":"PAGE HOLDING COMPANY","leadingOrganizationSharePct":65.6,"leaderShareRank":437,"organizationCount":2,"organizationDepthRank":2659,"organizationsOver5pct":2,"profileHref":"/geographies/banking/46003","stateCode":"SD","stateCountyCount":63,"stateHref":"/geographies/south-dakota","stateHhiRank":17,"stateMedianHhi":4434,"stateName":"South Dakota","totalDepositsThousands":154063,"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":3,"concentrationClass":"highly_concentrated","countyFips":"46003","countyName":"Aurora","depositRank":2565,"hhi":5434,"hhiPercentile":87,"hhiRank":406,"leadingOrganization":"PAGE HOLDING COMPANY","leadingOrganizationSharePct":64.7,"leaderShareRank":470,"organizationCount":2,"organizationDepthRank":2648,"organizationsOver5pct":2,"profileHref":"/geographies/banking/46003","stateCode":"SD","stateCountyCount":64,"stateHref":"/geographies/south-dakota","stateHhiRank":19,"stateMedianHhi":4506,"stateName":"South Dakota","totalDepositsThousands":160921,"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":3,"concentrationClass":"highly_concentrated","countyFips":"46003","countyName":"Aurora","depositRank":2542,"hhi":5500,"hhiPercentile":87.2,"hhiRank":398,"leadingOrganization":"PAGE HOLDING COMPANY","leadingOrganizationSharePct":65.8,"leaderShareRank":462,"organizationCount":2,"organizationDepthRank":2632,"organizationsOver5pct":2,"profileHref":"/geographies/banking/46003","stateCode":"SD","stateCountyCount":64,"stateHref":"/geographies/south-dakota","stateHhiRank":18,"stateMedianHhi":4630,"stateName":"South Dakota","totalDepositsThousands":183423,"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":3,"concentrationClass":"highly_concentrated","countyFips":"46003","countyName":"Aurora","depositRank":2562,"hhi":5368,"hhiPercentile":85.4,"hhiRank":455,"leadingOrganization":"PAGE HOLDING COMPANY","leadingOrganizationSharePct":63.6,"leaderShareRank":534,"organizationCount":2,"organizationDepthRank":2612,"organizationsOver5pct":2,"profileHref":"/geographies/banking/46003","stateCode":"SD","stateCountyCount":64,"stateHref":"/geographies/south-dakota","stateHhiRank":24,"stateMedianHhi":4825,"stateName":"South Dakota","totalDepositsThousands":189453,"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":3,"concentrationClass":"highly_concentrated","countyFips":"46003","countyName":"Aurora","depositRank":2560,"hhi":5586,"hhiPercentile":86.7,"hhiRank":413,"leadingOrganization":"PAGE HOLDING COMPANY","leadingOrganizationSharePct":67.1,"leaderShareRank":466,"organizationCount":2,"organizationDepthRank":2602,"organizationsOver5pct":2,"profileHref":"/geographies/banking/46003","stateCode":"SD","stateCountyCount":64,"stateHref":"/geographies/south-dakota","stateHhiRank":21,"stateMedianHhi":4814,"stateName":"South Dakota","totalDepositsThousands":185249,"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":3,"concentrationClass":"highly_concentrated","countyFips":"46003","countyName":"Aurora","depositRank":2590,"hhi":5617,"hhiPercentile":86.8,"hhiRank":412,"leadingOrganization":"PAGE HOLDING COMPANY","leadingOrganizationSharePct":67.6,"leaderShareRank":457,"organizationCount":2,"organizationDepthRank":2590,"organizationsOver5pct":2,"profileHref":"/geographies/banking/46003","stateCode":"SD","stateCountyCount":64,"stateHref":"/geographies/south-dakota","stateHhiRank":22,"stateMedianHhi":4938,"stateName":"South Dakota","totalDepositsThousands":180375,"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":3,"concentrationClass":"highly_concentrated","countyFips":"46003","countyName":"Aurora","depositRank":2573,"hhi":5493,"hhiPercentile":86.1,"hhiRank":433,"leadingOrganization":"PAGE HOLDING COMPANY","leadingOrganizationSharePct":65.7,"leaderShareRank":495,"organizationCount":2,"organizationDepthRank":2581,"organizationsOver5pct":2,"profileHref":"/geographies/banking/46003","stateCode":"SD","stateCountyCount":64,"stateHref":"/geographies/south-dakota","stateHhiRank":24,"stateMedianHhi":4820,"stateName":"South Dakota","totalDepositsThousands":190985,"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."}]}