{"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":"30101","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":"30101","countyName":"Toole","depositRank":2393,"hhi":4786,"hhiPercentile":81.9,"hhiRank":565,"leadingOrganization":"PRAIRIE BANCSHARES CORPORATION","leadingOrganizationSharePct":61.1,"leaderShareRank":520,"organizationCount":3,"organizationDepthRank":2356,"organizationsOver5pct":3,"profileHref":"/geographies/banking/30101","stateCode":"MT","stateCountyCount":55,"stateHref":"/geographies/montana","stateHhiRank":28,"stateMedianHhi":4786,"stateName":"Montana","totalDepositsThousands":172619,"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":3,"concentrationClass":"highly_concentrated","countyFips":"30101","countyName":"Toole","depositRank":2394,"hhi":4635,"hhiPercentile":81.2,"hhiRank":585,"leadingOrganization":"PRAIRIE BANCSHARES CORPORATION","leadingOrganizationSharePct":58.9,"leaderShareRank":579,"organizationCount":3,"organizationDepthRank":2347,"organizationsOver5pct":3,"profileHref":"/geographies/banking/30101","stateCode":"MT","stateCountyCount":54,"stateHref":"/geographies/montana","stateHhiRank":28,"stateMedianHhi":4716,"stateName":"Montana","totalDepositsThousands":172162,"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":3,"concentrationClass":"highly_concentrated","countyFips":"30101","countyName":"Toole","depositRank":2433,"hhi":4696,"hhiPercentile":81,"hhiRank":592,"leadingOrganization":"PRAIRIE BANCSHARES CORPORATION","leadingOrganizationSharePct":60.5,"leaderShareRank":536,"organizationCount":3,"organizationDepthRank":2340,"organizationsOver5pct":3,"profileHref":"/geographies/banking/30101","stateCode":"MT","stateCountyCount":54,"stateHref":"/geographies/montana","stateHhiRank":29,"stateMedianHhi":4855,"stateName":"Montana","totalDepositsThousands":166824,"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":"30101","countyName":"Toole","depositRank":2373,"hhi":4503,"hhiPercentile":79.2,"hhiRank":647,"leadingOrganization":"PRAIRIE BANCSHARES CORPORATION","leadingOrganizationSharePct":55.3,"leaderShareRank":719,"organizationCount":3,"organizationDepthRank":2332,"organizationsOver5pct":3,"profileHref":"/geographies/banking/30101","stateCode":"MT","stateCountyCount":54,"stateHref":"/geographies/montana","stateHhiRank":31,"stateMedianHhi":4759,"stateName":"Montana","totalDepositsThousands":186244,"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":"30101","countyName":"Toole","depositRank":2477,"hhi":4605,"hhiPercentile":79.7,"hhiRank":632,"leadingOrganization":"PRAIRIE BANCSHARES CORPORATION","leadingOrganizationSharePct":58.3,"leaderShareRank":629,"organizationCount":3,"organizationDepthRank":2320,"organizationsOver5pct":3,"profileHref":"/geographies/banking/30101","stateCode":"MT","stateCountyCount":54,"stateHref":"/geographies/montana","stateHhiRank":30,"stateMedianHhi":4961,"stateName":"Montana","totalDepositsThousands":164331,"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":"30101","countyName":"Toole","depositRank":2462,"hhi":4450,"hhiPercentile":78.2,"hhiRank":679,"leadingOrganization":"PRAIRIE BANCSHARES CORPORATION","leadingOrganizationSharePct":53.6,"leaderShareRank":829,"organizationCount":3,"organizationDepthRank":2307,"organizationsOver5pct":3,"profileHref":"/geographies/banking/30101","stateCode":"MT","stateCountyCount":54,"stateHref":"/geographies/montana","stateHhiRank":33,"stateMedianHhi":5020,"stateName":"Montana","totalDepositsThousands":188700,"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":2,"concentrationClass":"highly_concentrated","countyFips":"30101","countyName":"Toole","depositRank":2732,"hhi":8187,"hhiPercentile":94,"hhiRank":188,"leadingOrganization":"PRAIRIE BANCSHARES CORPORATION","leadingOrganizationSharePct":89.9,"leaderShareRank":188,"organizationCount":2,"organizationDepthRank":2632,"organizationsOver5pct":2,"profileHref":"/geographies/banking/30101","stateCode":"MT","stateCountyCount":54,"stateHref":"/geographies/montana","stateHhiRank":17,"stateMedianHhi":5143,"stateName":"Montana","totalDepositsThousands":134799,"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":"30101","countyName":"Toole","depositRank":2600,"hhi":8166,"hhiPercentile":93.7,"hhiRank":198,"leadingOrganization":"PRAIRIE BANCSHARES CORPORATION","leadingOrganizationSharePct":89.9,"leaderShareRank":198,"organizationCount":3,"organizationDepthRank":2267,"organizationsOver5pct":2,"profileHref":"/geographies/banking/30101","stateCode":"MT","stateCountyCount":54,"stateHref":"/geographies/montana","stateHhiRank":17,"stateMedianHhi":5171,"stateName":"Montana","totalDepositsThousands":174954,"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":"30101","countyName":"Toole","depositRank":2665,"hhi":6542,"hhiPercentile":90.8,"hhiRank":287,"leadingOrganization":"PRAIRIE BANCSHARES CORPORATION","leadingOrganizationSharePct":79.6,"leaderShareRank":275,"organizationCount":3,"organizationDepthRank":2259,"organizationsOver5pct":3,"profileHref":"/geographies/banking/30101","stateCode":"MT","stateCountyCount":54,"stateHref":"/geographies/montana","stateHhiRank":18,"stateMedianHhi":5150,"stateName":"Montana","totalDepositsThousands":157181,"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":2,"concentrationClass":"highly_concentrated","countyFips":"30101","countyName":"Toole","depositRank":2680,"hhi":6794,"hhiPercentile":91.5,"hhiRank":264,"leadingOrganization":"PRAIRIE BANCSHARES CORPORATION","leadingOrganizationSharePct":79.9,"leaderShareRank":270,"organizationCount":2,"organizationDepthRank":2590,"organizationsOver5pct":2,"profileHref":"/geographies/banking/30101","stateCode":"MT","stateCountyCount":54,"stateHref":"/geographies/montana","stateHhiRank":20,"stateMedianHhi":5171,"stateName":"Montana","totalDepositsThousands":154788,"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":2,"concentrationClass":"highly_concentrated","countyFips":"30101","countyName":"Toole","depositRank":2653,"hhi":6755,"hhiPercentile":91,"hhiRank":280,"leadingOrganization":"PRAIRIE BANCSHARES CORPORATION","leadingOrganizationSharePct":79.6,"leaderShareRank":281,"organizationCount":2,"organizationDepthRank":2581,"organizationsOver5pct":2,"profileHref":"/geographies/banking/30101","stateCode":"MT","stateCountyCount":54,"stateHref":"/geographies/montana","stateHhiRank":20,"stateMedianHhi":5261,"stateName":"Montana","totalDepositsThousands":168070,"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."}]}