County index
All counties in Iowa
99 counties tracked (99 with GDP, ranked by GDP where available, BEA 2025). The Iowa page shows the top 24 alongside the rest of the state's economy.
1Polk$63.8B2Linn$21.9B3Scott$13.3B4Johnson$12.6B5Dallas$11.1B6Black Hawk$10.0B7Dubuque$9.2B8Story$7.8B9Woodbury$7.0B10Pottawattamie$6.3B11Sioux$3.9B12Cerro Gordo$3.7B13Muscatine$3.2B14Clinton$3.0B15Des Moines$2.9B16Marion$2.9B17Webster$2.8B18Marshall$2.3B19Lee$2.3B20Wapello$2.2B21Plymouth$2.0B22Buena Vista$1.9B23Warren$1.9B24Washington$1.9B25Carroll$1.8B26Poweshiek$1.7B27Bremer$1.6B28Clay$1.5B29Dickinson$1.5B30Jasper$1.5B31Lyon$1.4B32Kossuth$1.4B33Winneshiek$1.4B34Boone$1.3B35Iowa$1.3B36Delaware$1.3B37O'Brien$1.3B38Wright$1.2B39Hancock$1.2B40Mahaska$1.2B41Clayton$1.2B42Floyd$1.2B43Henry$1.2B44Hardin$1.1B45Benton$1.1B46Crawford$1.1B47Hamilton$1.1B48Chickasaw$1.1B49Buchanan$1.1B50Cherokee$1.1B51Fayette$1.1B52Shelby$1.1B53Mitchell$994.8M54Cass$990.9M55Union$964.9M56Louisa$930.4M57Jefferson$911.3M58Jackson$906.7M59Jones$858.3M60Tama$847.9M61Cedar$811.5M62Page$810.6M63Palo Alto$796.3M64Sac$793.7M65Franklin$789.8M66Allamakee$780.2M67Guthrie$752.5M68Ida$745.6M69Grundy$731.7M70Howard$727.4M71Greene$720.8M72Butler$705.3M73Winnebago$690.1M74Madison$684.3M75Harrison$674.6M76Adair$662.6M77Mills$645.3M78Pocahontas$641.7M79Clarke$638.9M80Monroe$619.0M81Osceola$602.1M82Humboldt$598.2M83Calhoun$559.9M84Montgomery$557.2M85Emmet$519.1M86Appanoose$518.5M87Worth$485.0M88Audubon$472.6M89Monona$462.0M90Keokuk$442.6M91Davis$407.3M92Fremont$394.1M93Taylor$375.9M94Lucas$362.4M95Wayne$316.5M96Van Buren$295.0M97Decatur$277.6M98Adams$265.9M99Ringgold$233.7M
GDP: BEA (2025), USD-normalized, county level. Counties without a published GDP figure are ranked by population and labeled accordingly.