The fastest growing counties in the United States

Kaufman County, Texas 42.2%

Which US counties are growing fastest?

What this list shows

  • 2,407 of the 3,144 US counties and county-equivalents have a published figure for population change since 2020. This ranking additionally excludes counties under 10,000 people.
  • Texas accounts for 26 of the top 100, ahead of Florida with 18 and Georgia with 10.

The top 100

The fastest growing counties in the United States. Sortable on any column.
RankCountyStateTypeChange since 2020
1Kaufman CountyTexasCounty42.2%
2Long CountyGeorgiaCounty32.6%
3Jasper CountySouth CarolinaCounty32.2%
4Liberty CountyTexasCounty31.2%
5Dawson CountyGeorgiaCounty30.7%
6Jackson CountyGeorgiaCounty29.3%
7Rockwall CountyTexasCounty28.9%
8Comal CountyTexasCounty27.8%
9Brunswick CountyNorth CarolinaCounty26.5%
10Pinal CountyArizonaCounty25.4%
11St. Johns CountyFloridaCounty25.0%
12Montgomery CountyTexasCounty24.9%
13Hays CountyTexasCounty24.8%
14Ellis CountyTexasCounty24.0%
15Parker CountyTexasCounty23.5%
16Osceola CountyFloridaCounty23.2%
17Hunt CountyTexasCounty23.0%
18Walton CountyFloridaCounty22.9%
19Chambers CountyTexasCounty22.6%
20Williamson CountyTexasCounty22.3%
21Waller CountyTexasCounty21.9%
22Hendry CountyFloridaCounty21.5%
23Wise CountyTexasCounty21.5%
24St. Lucie CountyFloridaCounty21.4%
25Bastrop CountyTexasCounty21.3%
26New Kent CountyVirginiaCounty21.2%
27Sumter CountyFloridaCounty21.1%
28Flagler CountyFloridaCounty21.0%
29Horry CountySouth CarolinaCounty20.9%
30Collin CountyTexasCounty20.6%
31Johnson CountyTexasCounty20.5%
32Canadian CountyOklahomaCounty20.4%
33Jasper CountyGeorgiaCounty20.2%
34Caldwell CountyTexasCounty20.0%
35Polk CountyFloridaCounty19.8%
36Kendall CountyTexasCounty19.6%
37Tooele CountyUtahCounty19.2%
38Pasco CountyFloridaCounty19.1%
39Pender CountyNorth CarolinaCounty19.0%
40Franklin CountyNorth CarolinaCounty18.8%
41Barrow CountyGeorgiaCounty18.7%
42Berkeley CountySouth CarolinaCounty18.7%
43Blanco CountyTexasCounty18.6%
44McClain CountyOklahomaCounty18.4%
45Lancaster CountySouth CarolinaCounty18.3%
46Lake CountyFloridaCounty18.1%
47Canyon CountyIdahoCounty18.1%
48Limestone CountyAlabamaCounty18.0%
49Johnston CountyNorth CarolinaCounty17.9%
50Dallas CountyIowaCounty17.8%
51Wilson CountyTennesseeCounty17.7%
52Lincoln CountySouth DakotaCounty17.5%
53Nassau CountyFloridaCounty17.4%
54Fort Bend CountyTexasCounty17.4%
55Washington CountyUtahCounty17.4%
56Goochland CountyVirginiaCounty17.4%
57Marion CountyFloridaCounty17.3%
58Banks CountyGeorgiaCounty17.3%
59Bay CountyFloridaCounty17.1%
60Denton CountyTexasCounty16.9%
61Currituck CountyNorth CarolinaCounty16.7%
62Manatee CountyFloridaCounty16.6%
63Elbert CountyColoradoCounty16.5%
64Union CountyOhioCounty16.5%
65Iron CountyUtahCounty16.4%
66Grimes CountyTexasCounty16.3%
67Burleson CountyTexasCounty16.2%
68Sussex CountyDelawareCounty16.1%
69Edgefield CountySouth CarolinaCounty16.1%
70Benton CountyArkansasCounty16.0%
71Walton CountyGeorgiaCounty16.0%
72Maury CountyTennesseeCounty16.0%
73Madison CountyMontanaCounty15.8%
74Guadalupe CountyTexasCounty15.8%
75Bryan CountyGeorgiaCounty15.6%
76Spartanburg CountySouth CarolinaCounty15.6%
77Loudon CountyTennesseeCounty15.6%
78Charlotte CountyFloridaCounty15.5%
79Boundary CountyIdahoCounty15.3%
80Burnet CountyTexasCounty15.2%
81Baldwin CountyAlabamaCounty14.8%
82Bonner CountyIdahoCounty14.8%
83Juab CountyUtahCounty14.8%
84Wagoner CountyOklahomaCounty14.6%
85Gilchrist CountyFloridaCounty14.5%
86Utah CountyUtahCounty14.5%
87Lee CountyFloridaCounty14.4%
88Weld CountyColoradoCounty14.2%
89Effingham CountyGeorgiaCounty14.1%
90Monroe CountyGeorgiaCounty14.1%
91Lawrence CountySouth DakotaCounty14.0%
92Berkeley CountyWest VirginiaCounty13.7%
93Jefferson CountyIdahoCounty13.6%
94Hood CountyTexasCounty13.6%
95Louisa CountyVirginiaCounty13.6%
96Boone CountyIndianaCounty13.5%
97Hancock CountyIndianaCounty13.5%
98Hernando CountyFloridaCounty13.3%
99Lincoln CountyNorth CarolinaCounty13.2%
100Lincoln CountyMontanaCounty13.1%

Source: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026. Computed from the Vintage 2025 estimate series: the 2025 estimate against the 2020 estimate. Retrieved 30 August 2026.

This is the top 100. See the complete table of all 3,144 counties.

Other rankings

Rebuilt from source data 30 August 2026. How these figures are produced.