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 |
|---|---|---|---|---|
| 1301 | Knox County | Indiana | 35,652 | -0.3% |
| 1302 | Platte County | Nebraska | 35,649 | 0.0% |
| 1303 | Scotts Bluff County | Nebraska | 35,586 | -0.2% |
| 1304 | Becker County | Minnesota | 35,497 | 0.3% |
| 1305 | Dawson County | Georgia | 35,365 | 4.2% |
| 1306 | Jefferson County | Idaho | 35,297 | 1.3% |
| 1307 | Lincoln County | Oklahoma | 35,278 | 0.8% |
| 1308 | Greenup County | Kentucky | 35,213 | -0.1% |
| 1309 | Wapello County | Iowa | 35,210 | -0.6% |
| 1310 | Dallas County | Alabama | 35,140 | -1.2% |
| 1311 | Livingston County | Illinois | 35,057 | -0.4% |
| 1312 | Clark County | Wisconsin | 35,052 | 0.2% |
| 1313 | Whitley County | Indiana | 35,046 | 0.3% |
| 1314 | Lincoln County | Mississippi | 35,012 | 0.0% |
| 1315 | Webster Parish | Louisiana | 34,948 | -0.7% |
| 1316 | Rhea County | Tennessee | 34,844 | 0.4% |
| 1317 | Monroe County | Illinois | 34,840 | -0.8% |
| 1318 | Wise County | Virginia | 34,824 | -0.6% |
| 1319 | Steuben County | Indiana | 34,799 | 0.0% |
| 1320 | Marshall County | Mississippi | 34,654 | 0.7% |
| 1321 | Morrison County | Minnesota | 34,620 | 0.4% |
| 1322 | Morton County | North Dakota | 34,601 | 1.0% |
| 1323 | Alcorn County | Mississippi | 34,569 | -0.1% |
| 1324 | Taos County | New Mexico | 34,564 | 0.4% |
| 1325 | Effingham County | Illinois | 34,519 | -0.1% |
| 1326 | Miami County | Indiana | 34,487 | 0.1% |
| 1327 | Wexford County | Michigan | 34,445 | 0.3% |
| 1328 | Caroline County | Virginia | 34,413 | 2.5% |
| 1329 | Floyd County | Kentucky | 34,401 | -0.7% |
| 1330 | Cowley County | Kansas | 34,382 | 0.4% |
| 1331 | Putnam County | Ohio | 34,380 | 0.6% |
| 1332 | Nicollet County | Minnesota | 34,273 | 0.1% |
| 1333 | Chambers County | Alabama | 34,253 | -0.2% |
| 1334 | Grimes County | Texas | 34,252 | 2.7% |
| 1335 | Transylvania County | North Carolina | 34,211 | 0.0% |
| 1336 | Daviess County | Indiana | 34,209 | 0.2% |
| 1337 | Marion County | Iowa | 34,192 | 0.7% |
| 1338 | Lee County | Georgia | 34,179 | 0.5% |
| 1339 | Botetourt County | Virginia | 34,144 | 0.3% |
| 1340 | Caroline County | Maryland | 34,116 | 0.2% |
| 1341 | Stark County | North Dakota | 34,013 | 0.9% |
| 1342 | Preston County | West Virginia | 34,004 | 0.1% |
| 1343 | Ford County | Kansas | 33,993 | -0.9% |
| 1344 | Jefferson County | Washington | 33,970 | 0.2% |
| 1345 | Gilmer County | Georgia | 33,894 | 1.2% |
| 1345 | Jasper County | Indiana | 33,894 | 0.7% |
| 1347 | Greene County | Pennsylvania | 33,885 | -0.8% |
| 1348 | Accomack County | Virginia | 33,859 | 0.3% |
| 1349 | Lawrence County | Alabama | 33,843 | 0.6% |
| 1350 | Emmet County | Michigan | 33,775 | -0.5% |
3144 ranked entries.