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 |
|---|---|---|---|---|
| 1151 | Gage County | Nebraska | 0.1% | 21,711 |
| 1152 | Webster County | Iowa | 0.1% | 36,838 |
| 1153 | Taylor County | Wisconsin | 0.1% | 20,118 |
| 1154 | Pulaski County | Virginia | 0.1% | 33,586 |
| 1155 | Palm Beach County | Florida | 0.1% | 1,575,726 |
| 1156 | Scott County | Missouri | 0.1% | 37,975 |
| 1157 | Nicollet County | Minnesota | 0.1% | 34,273 |
| 1158 | Philadelphia County | Pennsylvania | 0.1% | 1,574,281 |
| 1159 | Collier County | Florida | 0.1% | 417,131 |
| 1160 | Burke County | North Carolina | 0.1% | 88,655 |
| 1161 | Jefferson County | Illinois | 0.1% | 36,147 |
| 1162 | Hillsdale County | Michigan | 0.1% | 45,738 |
| 1163 | Goodhue County | Minnesota | 0.1% | 48,195 |
| 1164 | Beauregard Parish | Louisiana | 0.1% | 36,673 |
| 1165 | Passaic County | New Jersey | 0.1% | 531,624 |
| 1166 | Harrisonburg city | Virginia | 0.1% | 50,839 |
| 1167 | Phelps County | Missouri | 0.1% | 45,247 |
| 1168 | Buffalo County | Nebraska | 0.1% | 51,172 |
| 1169 | Washington County | Indiana | 0.1% | 28,383 |
| 1170 | Monroe County | Michigan | 0.1% | 156,004 |
| 1171 | Vance County | North Carolina | 0.1% | 42,638 |
| 1172 | Sullivan County | New Hampshire | 0.1% | 43,961 |
| 1173 | Nassau County | New York | 0.1% | 1,398,939 |
| 1174 | Yakima County | Washington | 0.1% | 259,185 |
| 1175 | Jasper County | Iowa | 0.1% | 38,153 |
| 1176 | Starke County | Indiana | 0.1% | 23,425 |
| 1177 | Grant County | Wisconsin | 0.1% | 52,446 |
| 1178 | Clayton County | Georgia | 0.1% | 297,471 |
| 1179 | Adams County | Illinois | 0.1% | 64,267 |
| 1180 | Washington County | Pennsylvania | 0.1% | 210,802 |
| 1181 | Boone County | Illinois | 0.1% | 53,568 |
| 1182 | Montgomery County | Virginia | 0.1% | 98,434 |
| 1183 | San Luis Obispo County | California | 0.1% | 282,367 |
| 1184 | Gloucester County | Virginia | 0.1% | 40,097 |
| 1185 | Silver Bow County | Montana | 0.1% | 36,118 |
| 1186 | Coles County | Illinois | 0.1% | 46,607 |
| 1187 | Juneau City and Borough | Alaska | 0.1% | 31,609 |
| 1188 | Hancock County | Maine | 0.1% | 57,171 |
| 1189 | Washington County | Nebraska | 0.1% | 21,302 |
| 1190 | Franklin County | Vermont | 0.1% | 51,177 |
| 1191 | Fremont County | Colorado | 0.1% | 50,039 |
| 1192 | Sangamon County | Illinois | 0.1% | 194,170 |
| 1193 | Ward County | North Dakota | 0.1% | 68,233 |
| 1194 | Atlantic County | New Jersey | 0.1% | 278,657 |
| 1195 | Le Sueur County | Minnesota | 0.1% | 29,453 |
| 1196 | Polk County | Wisconsin | 0.1% | 45,803 |
| 1197 | Hamilton County | Ohio | 0.1% | 838,418 |
| 1198 | Solano County | California | 0.1% | 455,376 |
| 1199 | Gadsden County | Florida | 0.1% | 44,298 |
| 1200 | Monterey County | California | 0.1% | 433,729 |
1830 ranked entries.