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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
401Person CountyNorth Carolina0.9%40,636
402Rockbridge CountyVirginia0.9%22,663
403Wayne CountyNorth Carolina0.9%122,278
404Lincoln CountyWyoming0.9%21,180
405Volusia CountyFlorida0.9%606,573
406Union CountyGeorgia0.9%27,859
407Cochise CountyArizona0.9%126,332
408Laurens CountyGeorgia0.9%51,041
409Clark CountyNevada0.9%2,407,226
410Rowan CountyNorth Carolina0.9%155,096
411Dakota CountyNebraska0.9%21,687
412Henderson CountyNorth Carolina0.9%122,375
413Clay CountyMissouri0.9%265,032
414Washington CountyFlorida0.9%26,695
415Mesa CountyColorado0.9%162,845
416Crook CountyOregon0.9%27,564
417Albemarle CountyVirginia0.9%118,356
418Somerset CountyMaryland0.9%24,973
419Deschutes CountyOregon0.9%213,072
420Cherokee CountyOklahoma0.9%49,196
421Nelson CountyKentucky0.9%49,036
422Claiborne CountyTennessee0.9%33,229
423Upshur CountyTexas0.9%44,410
424Madison CountyNebraska0.9%36,106
425Pike CountyPennsylvania0.9%62,808
426Scott CountyKentucky0.9%62,262
427Dakota CountyMinnesota0.9%457,710
428DeKalb CountyTennessee0.9%21,873
429Duchesne CountyUtah0.9%20,856
430Overton CountyTennessee0.9%23,787
431Hidalgo CountyTexas0.9%921,549
432Adams CountyWisconsin0.9%21,752
433Troup CountyGeorgia0.9%72,844
434Franklin CountyTennessee0.9%45,579
435Montgomery CountyIllinois0.9%28,076
436Crawford CountyOhio0.9%41,896
437Hopewell cityVirginia0.9%23,261
438Harris CountyGeorgia0.9%37,280
439Grant CountyWashington0.9%105,727
440Missoula CountyMontana0.9%123,513
441Washington CountyMissouri0.8%23,810
442Pottawatomie CountyOklahoma0.8%75,102
443Fauquier CountyVirginia0.8%76,503
444Warren CountyOhio0.8%257,181
445Grayson CountyKentucky0.8%27,406
446Coffee CountyAlabama0.8%56,953
447Sarasota CountyFlorida0.8%479,958
448Greene CountyArkansas0.8%47,411
449Buchanan CountyIowa0.8%20,883
450Pierce CountyGeorgia0.8%20,764

1830 ranked entries.

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