{"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","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":36,"concentrationClass":"moderately_concentrated","countyFips":"17001","countyName":"Adams","depositRank":578,"hhi":1994,"hhiPercentile":30.9,"hhiRank":2148,"leadingOrganization":"FIRST BANKERS TRUSTSHARES, INC.","leadingOrganizationSharePct":34.7,"leaderShareRank":1846,"organizationCount":12,"organizationDepthRank":528,"organizationsOver5pct":5,"profileHref":"/geographies/banking/17001","stateCode":"IL","stateCountyCount":102,"stateHref":"/geographies/illinois","stateHhiRank":53,"stateMedianHhi":2031,"stateName":"Illinois","totalDepositsThousands":1712781,"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":36,"concentrationClass":"moderately_concentrated","countyFips":"17001","countyName":"Adams","depositRank":593,"hhi":1879,"hhiPercentile":27.6,"hhiRank":2253,"leadingOrganization":"FIRST BANKERS TRUSTSHARES, INC.","leadingOrganizationSharePct":32.8,"leaderShareRank":2000,"organizationCount":12,"organizationDepthRank":523,"organizationsOver5pct":6,"profileHref":"/geographies/banking/17001","stateCode":"IL","stateCountyCount":102,"stateHref":"/geographies/illinois","stateHhiRank":57,"stateMedianHhi":2071,"stateName":"Illinois","totalDepositsThousands":1680377,"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. 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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. 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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. 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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":32,"concentrationClass":"moderately_concentrated","countyFips":"17001","countyName":"Adams","depositRank":642,"hhi":1952,"hhiPercentile":26.7,"hhiRank":2278,"leadingOrganization":"FIRST BANKERS TRUSTSHARES, INC.","leadingOrganizationSharePct":34.9,"leaderShareRank":1936,"organizationCount":13,"organizationDepthRank":446,"organizationsOver5pct":5,"profileHref":"/geographies/banking/17001","stateCode":"IL","stateCountyCount":102,"stateHref":"/geographies/illinois","stateHhiRank":59,"stateMedianHhi":2129,"stateName":"Illinois","totalDepositsThousands":2122460,"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":32,"concentrationClass":"moderately_concentrated","countyFips":"17001","countyName":"Adams","depositRank":649,"hhi":1898,"hhiPercentile":25.1,"hhiRank":2326,"leadingOrganization":"FIRST BANKERS TRUSTSHARES, INC.","leadingOrganizationSharePct":33.7,"leaderShareRank":2036,"organizationCount":12,"organizationDepthRank":510,"organizationsOver5pct":6,"profileHref":"/geographies/banking/17001","stateCode":"IL","stateCountyCount":102,"stateHref":"/geographies/illinois","stateHhiRank":62,"stateMedianHhi":2108,"stateName":"Illinois","totalDepositsThousands":2125580,"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":32,"concentrationClass":"moderately_concentrated","countyFips":"17001","countyName":"Adams","depositRank":651,"hhi":1904,"hhiPercentile":25.2,"hhiRank":2322,"leadingOrganization":"FIRST BANKERS TRUSTSHARES, INC.","leadingOrganizationSharePct":33.7,"leaderShareRank":2018,"organizationCount":12,"organizationDepthRank":515,"organizationsOver5pct":6,"profileHref":"/geographies/banking/17001","stateCode":"IL","stateCountyCount":102,"stateHref":"/geographies/illinois","stateHhiRank":63,"stateMedianHhi":2104,"stateName":"Illinois","totalDepositsThousands":2174760,"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."}]}