{"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":"17181","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":6,"concentrationClass":"highly_concentrated","countyFips":"17181","countyName":"Union","depositRank":1821,"hhi":4211,"hhiPercentile":77.7,"hhiRank":694,"leadingOrganization":"UNION COUNTY BANCSHARES, INC.","leadingOrganizationSharePct":61,"leaderShareRank":523,"organizationCount":6,"organizationDepthRank":1459,"organizationsOver5pct":4,"profileHref":"/geographies/banking/17181","stateCode":"IL","stateCountyCount":102,"stateHref":"/geographies/illinois","stateHhiRank":13,"stateMedianHhi":1933,"stateName":"Illinois","totalDepositsThousands":319736,"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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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":6,"concentrationClass":"highly_concentrated","countyFips":"17181","countyName":"Union","depositRank":1862,"hhi":4115,"hhiPercentile":76.3,"hhiRank":738,"leadingOrganization":"UNION COUNTY BANCSHARES, INC.","leadingOrganizationSharePct":60.1,"leaderShareRank":547,"organizationCount":6,"organizationDepthRank":1431,"organizationsOver5pct":4,"profileHref":"/geographies/banking/17181","stateCode":"IL","stateCountyCount":102,"stateHref":"/geographies/illinois","stateHhiRank":14,"stateMedianHhi":2031,"stateName":"Illinois","totalDepositsThousands":324338,"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":6,"concentrationClass":"highly_concentrated","countyFips":"17181","countyName":"Union","depositRank":1846,"hhi":4072,"hhiPercentile":75.6,"hhiRank":759,"leadingOrganization":"UNION COUNTY BANCSHARES, INC.","leadingOrganizationSharePct":59.7,"leaderShareRank":561,"organizationCount":6,"organizationDepthRank":1415,"organizationsOver5pct":4,"profileHref":"/geographies/banking/17181","stateCode":"IL","stateCountyCount":102,"stateHref":"/geographies/illinois","stateHhiRank":15,"stateMedianHhi":2071,"stateName":"Illinois","totalDepositsThousands":335266,"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. 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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. 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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":6,"concentrationClass":"highly_concentrated","countyFips":"17181","countyName":"Union","depositRank":1957,"hhi":3195,"hhiPercentile":58.7,"hhiRank":1283,"leadingOrganization":"UNION COUNTY BANCSHARES, INC.","leadingOrganizationSharePct":50,"leaderShareRank":1065,"organizationCount":6,"organizationDepthRank":1340,"organizationsOver5pct":5,"profileHref":"/geographies/banking/17181","stateCode":"IL","stateCountyCount":102,"stateHref":"/geographies/illinois","stateHhiRank":30,"stateMedianHhi":2108,"stateName":"Illinois","totalDepositsThousands":406493,"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":5,"concentrationClass":"highly_concentrated","countyFips":"17181","countyName":"Union","depositRank":2013,"hhi":3549,"hhiPercentile":64.3,"hhiRank":1108,"leadingOrganization":"UNION COUNTY BANCSHARES, INC.","leadingOrganizationSharePct":52.7,"leaderShareRank":934,"organizationCount":5,"organizationDepthRank":1597,"organizationsOver5pct":4,"profileHref":"/geographies/banking/17181","stateCode":"IL","stateCountyCount":102,"stateHref":"/geographies/illinois","stateHhiRank":25,"stateMedianHhi":2104,"stateName":"Illinois","totalDepositsThousands":391372,"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."}]}