Fastest-growing counties in the US
Compare annual population growth in US counties and county equivalents.
U.S. Census Bureau Population EstimatesPeriod: July 1, 2024–July 1, 2025 · Vintage 2025Retrieved 2026-10-05T08:10:35+00:00
Percent change = (current July 1 population − previous July 1 population) / previous population × 100. Both estimates use the same Census vintage. Includes counties and county equivalents with at least 20,000 residents in the previous year. This is observed population change, not a forecast.
Ranks are competition ranks computed across the full filtered set.
| Rank | Name | State | Growth | Population |
|---|---|---|---|---|
| 1351 | Allen County | Ohio | -0.1% | 100,881 |
| 1352 | Henry County | Tennessee | -0.1% | 32,896 |
| 1353 | Otsego County | New York | -0.1% | 60,589 |
| 1354 | Anchorage Municipality | Alaska | -0.1% | 287,155 |
| 1355 | St. Louis County | Missouri | -0.1% | 990,911 |
| 1356 | Cattaraugus County | New York | -0.1% | 75,390 |
| 1357 | Chippewa County | Michigan | -0.1% | 36,081 |
| 1358 | Madison County | Illinois | -0.1% | 263,110 |
| 1359 | Wabasha County | Minnesota | -0.1% | 21,537 |
| 1360 | Prentiss County | Mississippi | -0.1% | 25,284 |
| 1361 | Mason County | Michigan | -0.1% | 29,040 |
| 1362 | Broome County | New York | -0.1% | 195,736 |
| 1363 | Delaware County | Pennsylvania | -0.1% | 580,937 |
| 1364 | Johnson County | Arkansas | -0.1% | 26,225 |
| 1365 | Mercer County | West Virginia | -0.1% | 57,503 |
| 1366 | Potter County | Texas | -0.1% | 114,453 |
| 1367 | Panola County | Mississippi | -0.1% | 32,691 |
| 1368 | Snyder County | Pennsylvania | -0.1% | 39,655 |
| 1369 | Greene County | Indiana | -0.1% | 31,165 |
| 1370 | Campbell County | Tennessee | -0.1% | 40,290 |
| 1371 | Woodbury County | Iowa | -0.1% | 106,649 |
| 1372 | Armstrong County | Pennsylvania | -0.1% | 63,698 |
| 1373 | St. Joseph County | Michigan | -0.1% | 60,968 |
| 1374 | Bucks County | Pennsylvania | -0.1% | 647,828 |
| 1375 | Steuben County | New York | -0.1% | 91,855 |
| 1376 | Custer County | Oklahoma | -0.1% | 28,175 |
| 1377 | Baltimore County | Maryland | -0.1% | 847,650 |
| 1378 | Newport News city | Virginia | -0.1% | 183,230 |
| 1379 | LaSalle County | Illinois | -0.1% | 107,773 |
| 1380 | Dallas County | Texas | -0.1% | 2,661,397 |
| 1381 | Iowa County | Wisconsin | -0.1% | 23,951 |
| 1382 | Franklin County | Illinois | -0.1% | 36,916 |
| 1383 | McPherson County | Kansas | -0.1% | 30,064 |
| 1384 | Russell County | Alabama | -0.1% | 58,898 |
| 1385 | Alpena County | Michigan | -0.1% | 28,853 |
| 1386 | Greenup County | Kentucky | -0.1% | 35,213 |
| 1387 | Decatur County | Georgia | -0.1% | 29,432 |
| 1388 | Itasca County | Minnesota | -0.1% | 45,404 |
| 1389 | Evangeline Parish | Louisiana | -0.1% | 31,980 |
| 1390 | Defiance County | Ohio | -0.1% | 38,292 |
| 1391 | Muskogee County | Oklahoma | -0.1% | 66,708 |
| 1392 | Coos County | New Hampshire | -0.1% | 31,343 |
| 1393 | Madison County | New York | -0.1% | 67,120 |
| 1394 | Erie County | New York | -0.1% | 946,741 |
| 1395 | McCurtain County | Oklahoma | -0.1% | 30,744 |
| 1396 | Oneida County | Wisconsin | -0.1% | 38,131 |
| 1397 | Harvey County | Kansas | -0.1% | 33,580 |
| 1398 | Starr County | Texas | -0.1% | 66,319 |
| 1399 | Colleton County | South Carolina | -0.1% | 39,382 |
| 1400 | Kandiyohi County | Minnesota | -0.1% | 44,720 |
1830 ranked entries.