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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.

RankNameStateGrowthPopulation
951Salt Lake CountyUtah0.3%1,220,916
952Montgomery CountyPennsylvania0.3%877,643
953Jones CountyTexas0.3%20,861
954Greenwood CountySouth Carolina0.3%70,379
955Union CountyMississippi0.3%28,459
956Gibson CountyIndiana0.3%33,091
957Jerome CountyIdaho0.3%26,362
958Forrest CountyMississippi0.3%79,034
959Fulton CountyIndiana0.3%20,091
960Cass CountyMichigan0.3%51,677
961Elkhart CountyIndiana0.3%208,774
962Reno CountyKansas0.3%61,539
963Grand Traverse CountyMichigan0.3%96,729
964Highland CountyOhio0.3%43,823
965Oktibbeha CountyMississippi0.3%51,896
966Thomas CountyGeorgia0.3%46,368
967Lapeer CountyMichigan0.3%89,516
968Boone CountyIowa0.3%26,799
969Tulare CountyCalifornia0.3%485,146
970Washington CountyOklahoma0.3%54,037
971Yadkin CountyNorth Carolina0.3%38,325
972Summit CountyOhio0.3%538,376
973Sumter CountySouth Carolina0.3%105,067
974Champaign CountyOhio0.3%38,820
975Lincoln ParishLouisiana0.3%48,360
976Mille Lacs CountyMinnesota0.3%27,753
977Kern CountyCalifornia0.3%927,068
978Adair CountyMissouri0.3%25,684
979Gibson CountyTennessee0.3%51,779
980Portage CountyWisconsin0.3%71,943
981Kalamazoo CountyMichigan0.3%263,795
982Botetourt CountyVirginia0.3%34,144
983Morgan CountyMissouri0.3%22,418
984Rutherford CountyNorth Carolina0.3%65,745
985Somerset CountyMaine0.3%51,620
986Ripley CountyIndiana0.3%29,434
987Boone CountyArkansas0.3%38,628
988Winnebago CountyIllinois0.3%283,674
989Grafton CountyNew Hampshire0.2%93,225
990Latah CountyIdaho0.2%41,842
991Vernon CountyWisconsin0.2%31,443
992Dodge CountyWisconsin0.2%89,097
993Whitley CountyKentucky0.2%37,297
994Yankton CountySouth Dakota0.2%23,635
995Sebastian CountyArkansas0.2%130,641
996Wicomico CountyMaryland0.2%106,899
997Ogle CountyIllinois0.2%51,399
998Cooke CountyTexas0.2%44,461
999Pine CountyMinnesota0.2%30,472
1000Clackamas CountyOregon0.2%426,280

1830 ranked entries.

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