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 |
|---|---|---|---|---|
| 1201 | Miami County | Indiana | 0.1% | 34,487 |
| 1202 | Stanislaus County | California | 0.1% | 557,719 |
| 1203 | Waupaca County | Wisconsin | 0.1% | 51,461 |
| 1204 | Fulton County | New York | 0.1% | 52,216 |
| 1205 | Cerro Gordo County | Iowa | 0.1% | 42,372 |
| 1206 | Essex County | Massachusetts | 0.1% | 826,653 |
| 1207 | Monongalia County | West Virginia | 0.1% | 107,991 |
| 1208 | Lincoln County | Nebraska | 0.1% | 33,303 |
| 1209 | Teller County | Colorado | 0.1% | 24,756 |
| 1210 | Tazewell County | Illinois | 0.1% | 130,049 |
| 1211 | Plymouth County | Iowa | 0.1% | 25,697 |
| 1212 | York County | Virginia | 0.1% | 71,374 |
| 1213 | Preston County | West Virginia | 0.1% | 34,004 |
| 1214 | Muscogee County | Georgia | 0.0% | 202,171 |
| 1215 | Terrebonne Parish | Louisiana | 0.0% | 104,163 |
| 1216 | Contra Costa County | California | 0.0% | 1,170,070 |
| 1217 | Clinton County | Indiana | 0.0% | 33,322 |
| 1218 | Black Hawk County | Iowa | 0.0% | 131,532 |
| 1219 | Dare County | North Carolina | 0.0% | 38,245 |
| 1220 | Kerr County | Texas | 0.0% | 54,037 |
| 1221 | Lackawanna County | Pennsylvania | 0.0% | 216,502 |
| 1222 | Huron County | Ohio | 0.0% | 58,250 |
| 1223 | Wyandot County | Ohio | 0.0% | 21,567 |
| 1224 | Walker County | Alabama | 0.0% | 65,140 |
| 1225 | Albany County | Wyoming | 0.0% | 38,558 |
| 1226 | Vilas County | Wisconsin | 0.0% | 23,761 |
| 1227 | Lake County | Ohio | 0.0% | 232,217 |
| 1228 | Freeborn County | Minnesota | 0.0% | 30,440 |
| 1229 | Berrien County | Michigan | 0.0% | 152,444 |
| 1230 | Steuben County | Indiana | 0.0% | 34,799 |
| 1231 | Montgomery County | Kentucky | 0.0% | 28,822 |
| 1232 | Asotin County | Washington | 0.0% | 22,545 |
| 1233 | Ottawa County | Oklahoma | 0.0% | 30,438 |
| 1234 | Steele County | Minnesota | 0.0% | 37,464 |
| 1235 | Monroe County | New York | 0.0% | 750,506 |
| 1236 | Lincoln County | Wisconsin | 0.0% | 28,403 |
| 1237 | Lake County | Montana | 0.0% | 33,392 |
| 1238 | Nez Perce County | Idaho | 0.0% | 42,905 |
| 1239 | Wichita County | Texas | 0.0% | 129,555 |
| 1240 | Jersey County | Illinois | 0.0% | 21,160 |
| 1241 | Conway County | Arkansas | 0.0% | 21,393 |
| 1242 | Bowie County | Texas | 0.0% | 92,696 |
| 1243 | Lincoln County | Mississippi | 0.0% | 35,012 |
| 1244 | Bronx County | New York | 0.0% | 1,406,332 |
| 1245 | Cass County | Minnesota | 0.0% | 31,430 |
| 1246 | Nueces County | Texas | 0.0% | 352,992 |
| 1247 | Union County | South Carolina | 0.0% | 26,799 |
| 1248 | Jefferson County | Colorado | 0.0% | 580,451 |
| 1249 | Milam County | Texas | 0.0% | 26,258 |
| 1250 | Lafourche Parish | Louisiana | 0.0% | 95,505 |
1830 ranked entries.