{"license":"https://creativecommons.org/licenses/by/4.0/","dataset":"banking-markets","screenKey":"us-county-bank-branch-deposits","screenLabel":"County FDIC-insured branch deposits","year":2025,"metricLabel":"County deposit HHI","metricUnit":"HHI (0-10,000)","summary":{"branchCount":73568,"countyCount":3104,"highHhiCount":1792,"medianHhi":2826,"singleOrganizationCount":187,"stateCount":51,"totalDepositsThousands":18009447842},"source":{"accessDate":"2026-07-19","apiUrl":"https://api.fdic.gov/banks/sod?filters=YEAR%3A2025&fields=YEAR%2CCERT%2CNAMEFULL%2CSTALPBR%2CSTNAMEBR%2CSTCNTYBR%2CCNTYNAMB%2CDEPSUMBR%2CRSSDHCR%2CNAMEHCR","confidenceLevel":"high","dataStatus":"estimated_public","id":"fdic-sod-2025","methodologyNote":"Antitrust Radar sums positive June 30, 2025 branch deposits within each state, groups branches to the FDIC-reported top bank holding company when RSSDHCR is available and otherwise to the insured institution certificate, then calculates shares and HHI from those grouped balances.","publisher":"Federal Deposit Insurance Corporation","title":"2025 Summary of Deposits","url":"https://banks.data.fdic.gov/bankfind-suite/SOD","profileHref":"/sources/fdic-sod-2025"},"guardrail":"County rows are screens of positive FDIC Summary of Deposits branch balances grouped to the reported top bank holding company when available and otherwise to the insured institution. Branch-reported deposits may not represent where every customer lives or competes, county boundaries may not match a banking market, deposits are not every banking product, and these screens are not legal market definitions.","methodologyNote":"Antitrust Radar sums positive June 30, 2025 branch deposits within each FDIC-reported county or county equivalent, groups branches to the FDIC-reported top bank holding company when available and otherwise to the insured institution certificate, then calculates shares and HHI from those grouped balances.","methodologyHref":"/methodology#county-banking-screen","matchedCount":4,"count":4,"filters":{"states":[],"statesMatched":true,"matchedStateCodes":[],"county":null,"countyMatched":null,"fips":null,"fipsMatched":null,"fipses":["28149","49043","23003","47015"],"fipsesMatched":true,"matchedFipses":["28149","49043","23003","47015"],"unmatchedFipses":[],"selectionOrder":true,"history":null,"historyMatched":true,"from":null,"fromMatched":true,"to":null,"toMatched":true,"rangeMatched":true,"query":null,"concentrationClass":null,"concentrationClassMatched":true,"source":null,"sourceMatched":null,"year":null,"yearMatched":null,"sort":"hhi","sortMatched":true,"order":"desc","orderMatched":true,"limit":null,"limitMatched":true},"availableSorts":["hhi","leader_share","organizations","branches","deposits","county"],"availableConcentrationClasses":["unconcentrated","moderately_concentrated","highly_concentrated"],"rows":[{"branchCount":10,"concentrationClass":"moderately_concentrated","countyFips":"28149","countyName":"Warren","depositRank":974,"hhi":2322,"hhiPercentile":37.3,"hhiRank":1946,"leadingOrganization":"TRUSTMARK CORPORATION","leadingOrganizationSharePct":28.4,"leaderShareRank":2405,"organizationCount":7,"organizationDepthRank":1119,"organizationsOver5pct":4,"profileHref":"/geographies/banking/28149","stateCode":"MS","stateCountyCount":82,"stateHref":"/geographies/mississippi","stateHhiRank":65,"stateMedianHhi":3358,"stateName":"Mississippi","totalDepositsThousands":1227324,"year":2025,"sourceId":"fdic-sod-2025","sourceTitle":"2025 Summary of Deposits","sourcePublisher":"Federal Deposit Insurance Corporation","sourceUrl":"https://banks.data.fdic.gov/bankfind-suite/SOD","sourceProfileHref":"/sources/fdic-sod-2025","accessDate":"2026-07-19","dataStatus":"estimated_public","confidenceLevel":"high","methodologyNote":"Antitrust Radar sums positive June 30, 2025 branch deposits within each FDIC-reported county or county equivalent, groups branches to the FDIC-reported top bank holding company when available and otherwise to the insured institution certificate, then calculates shares and HHI from those grouped balances.","methodologyHref":"/methodology#county-banking-screen","guardrail":"County rows are screens of positive FDIC Summary of Deposits branch balances grouped to the reported top bank holding company when available and otherwise to the insured institution. Branch-reported deposits may not represent where every customer lives or competes, county boundaries may not match a banking market, deposits are not every banking product, and these screens are not legal market definitions."},{"branchCount":13,"concentrationClass":"moderately_concentrated","countyFips":"49043","countyName":"Summit","depositRank":705,"hhi":2324,"hhiPercentile":37.4,"hhiRank":1945,"leadingOrganization":"Zions Bancorporation, N.A.","leadingOrganizationSharePct":33.4,"leaderShareRank":2041,"organizationCount":7,"organizationDepthRank":1119,"organizationsOver5pct":5,"profileHref":"/geographies/banking/49043","stateCode":"UT","stateCountyCount":28,"stateHref":"/geographies/utah","stateHhiRank":23,"stateMedianHhi":4609,"stateName":"Utah","totalDepositsThousands":1958517,"year":2025,"sourceId":"fdic-sod-2025","sourceTitle":"2025 Summary of Deposits","sourcePublisher":"Federal Deposit Insurance Corporation","sourceUrl":"https://banks.data.fdic.gov/bankfind-suite/SOD","sourceProfileHref":"/sources/fdic-sod-2025","accessDate":"2026-07-19","dataStatus":"estimated_public","confidenceLevel":"high","methodologyNote":"Antitrust Radar sums positive June 30, 2025 branch deposits within each FDIC-reported county or county equivalent, groups branches to the FDIC-reported top bank holding company when available and otherwise to the insured institution certificate, then calculates shares and HHI from those grouped balances.","methodologyHref":"/methodology#county-banking-screen","guardrail":"County rows are screens of positive FDIC Summary of Deposits branch balances grouped to the reported top bank holding company when available and otherwise to the insured institution. Branch-reported deposits may not represent where every customer lives or competes, county boundaries may not match a banking market, deposits are not every banking product, and these screens are not legal market definitions."},{"branchCount":22,"concentrationClass":"moderately_concentrated","countyFips":"23003","countyName":"Aroostook","depositRank":885,"hhi":2325,"hhiPercentile":37.4,"hhiRank":1943,"leadingOrganization":"KATAHDIN BANKSHARES CORPORATION","leadingOrganizationSharePct":37.2,"leaderShareRank":1791,"organizationCount":6,"organizationDepthRank":1326,"organizationsOver5pct":5,"profileHref":"/geographies/banking/23003","stateCode":"ME","stateCountyCount":16,"stateHref":"/geographies/maine","stateHhiRank":13,"stateMedianHhi":3312,"stateName":"Maine","totalDepositsThousands":1407196,"year":2025,"sourceId":"fdic-sod-2025","sourceTitle":"2025 Summary of Deposits","sourcePublisher":"Federal Deposit Insurance Corporation","sourceUrl":"https://banks.data.fdic.gov/bankfind-suite/SOD","sourceProfileHref":"/sources/fdic-sod-2025","accessDate":"2026-07-19","dataStatus":"estimated_public","confidenceLevel":"high","methodologyNote":"Antitrust Radar sums positive June 30, 2025 branch deposits within each FDIC-reported county or county equivalent, groups branches to the FDIC-reported top bank holding company when available and otherwise to the insured institution certificate, then calculates shares and HHI from those grouped balances.","methodologyHref":"/methodology#county-banking-screen","guardrail":"County rows are screens of positive FDIC Summary of Deposits branch balances grouped to the reported top bank holding company when available and otherwise to the insured institution. Branch-reported deposits may not represent where every customer lives or competes, county boundaries may not match a banking market, deposits are not every banking product, and these screens are not legal market definitions."},{"branchCount":5,"concentrationClass":"moderately_concentrated","countyFips":"47015","countyName":"Cannon","depositRank":2441,"hhi":2325,"hhiPercentile":37.4,"hhiRank":1943,"leadingOrganization":"REGIONS FINANCIAL CORPORATION","leadingOrganizationSharePct":29.5,"leaderShareRank":2321,"organizationCount":5,"organizationDepthRank":1597,"organizationsOver5pct":5,"profileHref":"/geographies/banking/47015","stateCode":"TN","stateCountyCount":95,"stateHref":"/geographies/tennessee","stateHhiRank":61,"stateMedianHhi":2731,"stateName":"Tennessee","totalDepositsThousands":232873,"year":2025,"sourceId":"fdic-sod-2025","sourceTitle":"2025 Summary of Deposits","sourcePublisher":"Federal Deposit Insurance Corporation","sourceUrl":"https://banks.data.fdic.gov/bankfind-suite/SOD","sourceProfileHref":"/sources/fdic-sod-2025","accessDate":"2026-07-19","dataStatus":"estimated_public","confidenceLevel":"high","methodologyNote":"Antitrust Radar sums positive June 30, 2025 branch deposits within each FDIC-reported county or county equivalent, groups branches to the FDIC-reported top bank holding company when available and otherwise to the insured institution certificate, then calculates shares and HHI from those grouped balances.","methodologyHref":"/methodology#county-banking-screen","guardrail":"County rows are screens of positive FDIC Summary of Deposits branch balances grouped to the reported top bank holding company when available and otherwise to the insured institution. Branch-reported deposits may not represent where every customer lives or competes, county boundaries may not match a banking market, deposits are not every banking product, and these screens are not legal market definitions."}]}