Largest counties by population
Rank US counties and county equivalents by resident population, not land area.
U.S. Census Bureau Population EstimatesPeriod: July 1, 2024–July 1, 2025 · Vintage 2025Retrieved 2026-10-05T08:10:35+00:00
July 1 resident population estimates from a single Census vintage. Counties are ranked by population, not land area. County equivalents include independent cities and other Census county-equivalent areas.
Ranks are competition ranks computed across the full filtered set.
| Rank | Name | State | Population | Growth |
|---|---|---|---|---|
| 1251 | Mississippi County | Arkansas | 37,828 | -0.9% |
| 1252 | Brookings County | South Dakota | 37,635 | 2.2% |
| 1253 | Brown County | South Dakota | 37,561 | -0.2% |
| 1254 | Finney County | Kansas | 37,505 | -0.8% |
| 1255 | Steele County | Minnesota | 37,464 | 0.0% |
| 1256 | Wayne County | West Virginia | 37,309 | -0.5% |
| 1257 | Whitley County | Kentucky | 37,297 | 0.2% |
| 1258 | Harris County | Georgia | 37,280 | 0.9% |
| 1259 | Okmulgee County | Oklahoma | 37,241 | 0.2% |
| 1260 | Green County | Wisconsin | 37,227 | 0.0% |
| 1261 | Huntington County | Indiana | 37,224 | 0.7% |
| 1262 | Coshocton County | Ohio | 37,188 | 0.5% |
| 1263 | Pickens County | Georgia | 37,167 | 1.6% |
| 1264 | Clinton County | Illinois | 37,128 | 0.1% |
| 1265 | DeSoto County | Florida | 37,078 | 0.5% |
| 1266 | Graves County | Kentucky | 37,050 | 0.7% |
| 1267 | Warren County | Pennsylvania | 37,038 | -0.7% |
| 1268 | Alexander County | North Carolina | 36,958 | 0.6% |
| 1269 | Laclede County | Missouri | 36,943 | 0.7% |
| 1270 | Union County | Arkansas | 36,926 | -0.5% |
| 1271 | Franklin County | Illinois | 36,916 | -0.1% |
| 1272 | Ware County | Georgia | 36,906 | 1.0% |
| 1273 | Lincoln County | Tennessee | 36,853 | 0.4% |
| 1274 | Webster County | Iowa | 36,838 | 0.1% |
| 1275 | Sioux County | Iowa | 36,774 | 0.0% |
| 1276 | Carlton County | Minnesota | 36,711 | 0.0% |
| 1277 | Clarion County | Pennsylvania | 36,680 | -0.2% |
| 1278 | Beauregard Parish | Louisiana | 36,673 | 0.1% |
| 1279 | Escambia County | Alabama | 36,665 | 0.0% |
| 1280 | Adams County | Indiana | 36,650 | 0.3% |
| 1281 | McLeod County | Minnesota | 36,631 | -0.5% |
| 1282 | Bennington County | Vermont | 36,630 | -1.0% |
| 1283 | Lincoln County | Maine | 36,595 | 0.2% |
| 1284 | Delta County | Michigan | 36,582 | -0.4% |
| 1285 | Williams County | Ohio | 36,549 | -0.2% |
| 1286 | Matagorda County | Texas | 36,463 | 0.8% |
| 1287 | Essex County | New York | 36,438 | -0.3% |
| 1288 | Marion County | Illinois | 36,382 | -0.3% |
| 1289 | Geary County | Kansas | 36,338 | 2.5% |
| 1290 | Dyer County | Tennessee | 36,320 | -0.4% |
| 1291 | Morrow County | Ohio | 36,305 | 0.8% |
| 1292 | Miami County | Kansas | 36,240 | 1.2% |
| 1293 | Barry County | Missouri | 36,200 | 1.3% |
| 1294 | Lumpkin County | Georgia | 36,178 | 0.6% |
| 1295 | Jefferson County | Illinois | 36,147 | 0.1% |
| 1296 | Silver Bow County | Montana | 36,118 | 0.1% |
| 1297 | Madison County | Nebraska | 36,106 | 0.9% |
| 1298 | Natchitoches Parish | Louisiana | 36,089 | -0.3% |
| 1299 | Chippewa County | Michigan | 36,081 | -0.1% |
| 1300 | Perry County | Ohio | 35,918 | 0.6% |
3144 ranked entries.