County CluesFastest-growing counties in the US
Kaufman County, Texas, grew fastest of the US counties with 50,000 or more people: up 26.2% from 2020 to 2023. Below are the top 50; type to find a county or state.
| Rank | County | Growth | People, 2023 |
|---|---|---|---|
| 1 | Kaufman CountyTexas | +26.2% | 185,690 |
| 2 | Rockwall CountyTexas | +20.3% | 131,307 |
| 3 | Comal CountyTexas | +18.5% | 193,928 |
| 4 | Liberty CountyTexas | +17.1% | 108,272 |
| 5 | Sumter CountyFlorida | +16.3% | 151,565 |
| 6 | Parker CountyTexas | +16.0% | 173,494 |
| 7 | Brunswick CountyNorth Carolina | +15.8% | 159,964 |
| 8 | St. Johns CountyFlorida | +15.5% | 320,110 |
| 9 | Jackson CountyGeorgia | +15.5% | 88,615 |
| 10 | Hays CountyTexas | +15.0% | 280,486 |
| 11 | Ellis CountyTexas | +14.7% | 222,829 |
| 12 | Chambers CountyTexas | +14.6% | 53,876 |
| 13 | Montgomery CountyTexas | +13.8% | 711,354 |
| 14 | Walton CountyFlorida | +13.7% | 86,354 |
| 15 | Kendall CountyTexas | +13.5% | 50,537 |
| 16 | Flagler CountyFlorida | +13.3% | 131,439 |
| 17 | Wise CountyTexas | +13.3% | 78,097 |
| 18 | Williamson CountyTexas | +13.3% | 697,191 |
| 19 | Canadian CountyOklahoma | +13.1% | 175,829 |
| 20 | Hunt CountyTexas | +13.1% | 113,347 |
| 21 | Pender CountyNorth Carolina | +13.0% | 68,521 |
| 22 | Bastrop CountyTexas | +13.0% | 110,778 |
| 23 | St. Lucie CountyFlorida | +12.7% | 373,586 |
| 24 | Pinal CountyArizona | +12.6% | 484,239 |
| 25 | Horry CountySouth Carolina | +12.4% | 397,478 |
| 26 | Johnson CountyTexas | +12.1% | 202,906 |
| 27 | Polk CountyFlorida | +12.1% | 818,330 |
| 28 | Lancaster CountySouth Carolina | +12.0% | 108,215 |
| 29 | Osceola CountyFlorida | +11.9% | 437,784 |
| 30 | Tooele CountyUtah | +11.8% | 82,051 |
| 31 | Pasco CountyFlorida | +11.8% | 632,996 |
| 32 | Lincoln CountySouth Dakota | +11.6% | 73,238 |
| 33 | Nassau CountyFlorida | +11.5% | 101,501 |
| 34 | Franklin CountyNorth Carolina | +11.3% | 77,001 |
| 35 | Iron CountyUtah | +11.3% | 64,211 |
| 36 | Washington CountyUtah | +11.2% | 202,452 |
| 37 | Collin CountyTexas | +11.1% | 1,195,359 |
| 38 | Johnston CountyNorth Carolina | +11.1% | 241,955 |
| 39 | Waller CountyTexas | +10.9% | 63,553 |
| 40 | Bonner CountyIdaho | +10.8% | 52,547 |
| 41 | Hampshire CountyMassachusetts | +10.8% | 162,502 |
| 42 | Canyon CountyIdaho | +10.6% | 257,674 |
| 43 | Fort Bend CountyTexas | +10.6% | 916,778 |
| 44 | Dallas CountyIowa | +10.5% | 111,092 |
| 45 | Barrow CountyGeorgia | +10.5% | 92,792 |
| 46 | Sussex CountyDelaware | +10.4% | 263,509 |
| 47 | Union CountyOhio | +10.4% | 69,637 |
| 48 | Berkeley CountySouth Carolina | +10.2% | 255,217 |
| 49 | Denton CountyTexas | +10.2% | 1,007,703 |
| 50 | Wilson CountyTennessee | +10.1% | 163,674 |
Shrinking fastest
- Bronx County, New York: down 7.2%
- San Francisco County, California: down 7.1%
- St. Louis city, Missouri: down 6.2%
- Calcasieu Parish, Louisiana: down 5.9%
- Kings County, New York: down 5.8%
- Queens County, New York: down 5.7%
- Terrebonne Parish, Louisiana: down 5.3%
- Hinds County, Mississippi: down 5.2%
- McKinley County, New Mexico: down 5.2%
- Orleans Parish, Louisiana: down 5.0%
Questions
What is the fastest-growing county in the US?
Among counties with 50,000 or more people, Kaufman County, Texas, grew fastest from 2020 to 2023: up 26.2%, to 185,690 people.
Which county is shrinking fastest?
Among the same counties, Bronx County, New York, fell the most: down 7.2%.
How many of these counties grew?
674 of the 1,002 counties with 50,000 or more people grew from 2020 to 2023.
Why only counties with 50,000 or more people?
A county of a few thousand can jump by double digits from one new subdivision. The 50,000 floor keeps the list to places where growth means many new residents. It is also the daily game's pool.
Numbers are the US Census Bureau's 2023 population estimates and 2023 county list, which are public domain.