{"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":"30013","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":22,"concentrationClass":"moderately_concentrated","countyFips":"30013","countyName":"Cascade","depositRank":662,"hhi":2098,"hhiPercentile":35.3,"hhiRank":2016,"leadingOrganization":"FIRST INTERSTATE BANCSYSTEM, INC.","leadingOrganizationSharePct":27.1,"leaderShareRank":2430,"organizationCount":9,"organizationDepthRank":872,"organizationsOver5pct":5,"profileHref":"/geographies/banking/30013","stateCode":"MT","stateCountyCount":55,"stateHref":"/geographies/montana","stateHhiRank":50,"stateMedianHhi":4786,"stateName":"Montana","totalDepositsThousands":1308265,"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":22,"concentrationClass":"moderately_concentrated","countyFips":"30013","countyName":"Cascade","depositRank":648,"hhi":2069,"hhiPercentile":33.8,"hhiRank":2058,"leadingOrganization":"FIRST INTERSTATE BANCSYSTEM, INC.","leadingOrganizationSharePct":25.7,"leaderShareRank":2535,"organizationCount":9,"organizationDepthRank":866,"organizationsOver5pct":5,"profileHref":"/geographies/banking/30013","stateCode":"MT","stateCountyCount":54,"stateHref":"/geographies/montana","stateHhiRank":49,"stateMedianHhi":4716,"stateName":"Montana","totalDepositsThousands":1392366,"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":21,"concentrationClass":"moderately_concentrated","countyFips":"30013","countyName":"Cascade","depositRank":670,"hhi":2096,"hhiPercentile":34,"hhiRank":2052,"leadingOrganization":"FIRST INTERSTATE BANCSYSTEM, INC.","leadingOrganizationSharePct":26.3,"leaderShareRank":2519,"organizationCount":9,"organizationDepthRank":861,"organizationsOver5pct":5,"profileHref":"/geographies/banking/30013","stateCode":"MT","stateCountyCount":54,"stateHref":"/geographies/montana","stateHhiRank":49,"stateMedianHhi":4855,"stateName":"Montana","totalDepositsThousands":1381877,"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":20,"concentrationClass":"moderately_concentrated","countyFips":"30013","countyName":"Cascade","depositRank":702,"hhi":2074,"hhiPercentile":33,"hhiRank":2085,"leadingOrganization":"FIRST INTERSTATE BANCSYSTEM, INC.","leadingOrganizationSharePct":27.7,"leaderShareRank":2385,"organizationCount":10,"organizationDepthRank":713,"organizationsOver5pct":5,"profileHref":"/geographies/banking/30013","stateCode":"MT","stateCountyCount":54,"stateHref":"/geographies/montana","stateHhiRank":49,"stateMedianHhi":4759,"stateName":"Montana","totalDepositsThousands":1361615,"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":22,"concentrationClass":"moderately_concentrated","countyFips":"30013","countyName":"Cascade","depositRank":691,"hhi":1945,"hhiPercentile":29.6,"hhiRank":2190,"leadingOrganization":"FIRST INTERSTATE BANCSYSTEM, INC.","leadingOrganizationSharePct":26.8,"leaderShareRank":2466,"organizationCount":11,"organizationDepthRank":600,"organizationsOver5pct":5,"profileHref":"/geographies/banking/30013","stateCode":"MT","stateCountyCount":54,"stateHref":"/geographies/montana","stateHhiRank":49,"stateMedianHhi":4961,"stateName":"Montana","totalDepositsThousands":1450083,"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":21,"concentrationClass":"moderately_concentrated","countyFips":"30013","countyName":"Cascade","depositRank":667,"hhi":1948,"hhiPercentile":28,"hhiRank":2239,"leadingOrganization":"FIRST INTERSTATE BANCSYSTEM, INC.","leadingOrganizationSharePct":28.5,"leaderShareRank":2369,"organizationCount":11,"organizationDepthRank":585,"organizationsOver5pct":5,"profileHref":"/geographies/banking/30013","stateCode":"MT","stateCountyCount":54,"stateHref":"/geographies/montana","stateHhiRank":49,"stateMedianHhi":5020,"stateName":"Montana","totalDepositsThousands":1752346,"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":19,"concentrationClass":"moderately_concentrated","countyFips":"30013","countyName":"Cascade","depositRank":635,"hhi":2088,"hhiPercentile":31.6,"hhiRank":2128,"leadingOrganization":"FIRST INTERSTATE BANCSYSTEM, INC.","leadingOrganizationSharePct":31.1,"leaderShareRank":2193,"organizationCount":11,"organizationDepthRank":581,"organizationsOver5pct":4,"profileHref":"/geographies/banking/30013","stateCode":"MT","stateCountyCount":54,"stateHref":"/geographies/montana","stateHhiRank":49,"stateMedianHhi":5143,"stateName":"Montana","totalDepositsThousands":2109125,"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":19,"concentrationClass":"moderately_concentrated","countyFips":"30013","countyName":"Cascade","depositRank":637,"hhi":1967,"hhiPercentile":27.6,"hhiRank":2251,"leadingOrganization":"FIRST INTERSTATE BANCSYSTEM, INC.","leadingOrganizationSharePct":26.1,"leaderShareRank":2568,"organizationCount":11,"organizationDepthRank":577,"organizationsOver5pct":5,"profileHref":"/geographies/banking/30013","stateCode":"MT","stateCountyCount":54,"stateHref":"/geographies/montana","stateHhiRank":49,"stateMedianHhi":5171,"stateName":"Montana","totalDepositsThousands":2175542,"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":20,"concentrationClass":"moderately_concentrated","countyFips":"30013","countyName":"Cascade","depositRank":664,"hhi":1918,"hhiPercentile":25.5,"hhiRank":2317,"leadingOrganization":"FIRST INTERSTATE BANCSYSTEM, INC.","leadingOrganizationSharePct":25.7,"leaderShareRank":2593,"organizationCount":12,"organizationDepthRank":513,"organizationsOver5pct":4,"profileHref":"/geographies/banking/30013","stateCode":"MT","stateCountyCount":54,"stateHref":"/geographies/montana","stateHhiRank":49,"stateMedianHhi":5150,"stateName":"Montana","totalDepositsThousands":2038135,"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":"moderately_concentrated","countyFips":"30013","countyName":"Cascade","depositRank":677,"hhi":1891,"hhiPercentile":24.9,"hhiRank":2333,"leadingOrganization":"FIRST INTERSTATE BANCSYSTEM, INC.","leadingOrganizationSharePct":25.8,"leaderShareRank":2573,"organizationCount":12,"organizationDepthRank":510,"organizationsOver5pct":4,"profileHref":"/geographies/banking/30013","stateCode":"MT","stateCountyCount":54,"stateHref":"/geographies/montana","stateHhiRank":49,"stateMedianHhi":5171,"stateName":"Montana","totalDepositsThousands":2016315,"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":"moderately_concentrated","countyFips":"30013","countyName":"Cascade","depositRank":673,"hhi":1848,"hhiPercentile":23.8,"hhiRank":2365,"leadingOrganization":"STOCKMAN FINANCIAL CORPORATION","leadingOrganizationSharePct":26.2,"leaderShareRank":2541,"organizationCount":11,"organizationDepthRank":580,"organizationsOver5pct":4,"profileHref":"/geographies/banking/30013","stateCode":"MT","stateCountyCount":54,"stateHref":"/geographies/montana","stateHhiRank":50,"stateMedianHhi":5261,"stateName":"Montana","totalDepositsThousands":2071300,"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."}]}