{"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":19,"concentrationClass":"unconcentrated","countyFips":"39147","countyName":"Seneca","depositRank":826,"hhi":1478,"hhiPercentile":14.7,"hhiRank":2652,"leadingOrganization":"OLD FORT BANKING COMPANY EMPLOYEE STOCK OWNERSHIP AND 401-K PLAN","leadingOrganizationSharePct":25.5,"leaderShareRank":2578,"organizationCount":12,"organizationDepthRank":528,"organizationsOver5pct":8,"profileHref":"/geographies/banking/39147","stateCode":"OH","stateCountyCount":88,"stateHref":"/geographies/ohio","stateHhiRank":73,"stateMedianHhi":1989,"stateName":"Ohio","totalDepositsThousands":1044397,"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":19,"concentrationClass":"unconcentrated","countyFips":"39147","countyName":"Seneca","depositRank":812,"hhi":1498,"hhiPercentile":15.4,"hhiRank":2631,"leadingOrganization":"OLD FORT BANKING COMPANY EMPLOYEE STOCK OWNERSHIP AND 401-K PLAN","leadingOrganizationSharePct":25.6,"leaderShareRank":2552,"organizationCount":12,"organizationDepthRank":523,"organizationsOver5pct":7,"profileHref":"/geographies/banking/39147","stateCode":"OH","stateCountyCount":88,"stateHref":"/geographies/ohio","stateHhiRank":70,"stateMedianHhi":2013,"stateName":"Ohio","totalDepositsThousands":1109454,"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":19,"concentrationClass":"moderately_concentrated","countyFips":"39147","countyName":"Seneca","depositRank":782,"hhi":1541,"hhiPercentile":16.3,"hhiRank":2604,"leadingOrganization":"SUTTON BANCSHARES, INC.","leadingOrganizationSharePct":24.6,"leaderShareRank":2640,"organizationCount":12,"organizationDepthRank":519,"organizationsOver5pct":7,"profileHref":"/geographies/banking/39147","stateCode":"OH","stateCountyCount":88,"stateHref":"/geographies/ohio","stateHhiRank":71,"stateMedianHhi":1976,"stateName":"Ohio","totalDepositsThousands":1189212,"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. 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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":20,"concentrationClass":"highly_concentrated","countyFips":"39147","countyName":"Seneca","depositRank":521,"hhi":3413,"hhiPercentile":62.2,"hhiRank":1177,"leadingOrganization":"SUTTON BANCSHARES, INC.","leadingOrganizationSharePct":55.4,"leaderShareRank":806,"organizationCount":12,"organizationDepthRank":513,"organizationsOver5pct":4,"profileHref":"/geographies/banking/39147","stateCode":"OH","stateCountyCount":88,"stateHref":"/geographies/ohio","stateHhiRank":13,"stateMedianHhi":2082,"stateName":"Ohio","totalDepositsThousands":2829270,"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":20,"concentrationClass":"highly_concentrated","countyFips":"39147","countyName":"Seneca","depositRank":510,"hhi":3628,"hhiPercentile":65.9,"hhiRank":1061,"leadingOrganization":"SUTTON BANCSHARES, INC.","leadingOrganizationSharePct":57.5,"leaderShareRank":743,"organizationCount":12,"organizationDepthRank":510,"organizationsOver5pct":4,"profileHref":"/geographies/banking/39147","stateCode":"OH","stateCountyCount":88,"stateHref":"/geographies/ohio","stateHhiRank":10,"stateMedianHhi":2107,"stateName":"Ohio","totalDepositsThousands":2938240,"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":20,"concentrationClass":"highly_concentrated","countyFips":"39147","countyName":"Seneca","depositRank":611,"hhi":2631,"hhiPercentile":45.5,"hhiRank":1693,"leadingOrganization":"SUTTON BANCSHARES, INC.","leadingOrganizationSharePct":46.5,"leaderShareRank":1242,"organizationCount":12,"organizationDepthRank":515,"organizationsOver5pct":5,"profileHref":"/geographies/banking/39147","stateCode":"OH","stateCountyCount":88,"stateHref":"/geographies/ohio","stateHhiRank":23,"stateMedianHhi":2099,"stateName":"Ohio","totalDepositsThousands":2367206,"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."}]}