Fastest Growing Counties in Tennessee (2026)

County
Rank
Change (2020) ↓
2026 Pop.
2020 Pop.
Wilson County120.9%179,726148,654
Maury County219.64%121,806101,812
Loudon County317.67%64,88655,144
Montgomery County414.6%253,589221,286
Van Buren County514.43%7,0656,174
Rutherford County614.37%392,618343,285
Sequatchie County714.29%18,11315,848
Meigs County812.29%14,38212,808
Trousdale County912.12%13,05711,646
Grainger County1011.91%26,38023,572
Robertson County1111.74%81,52072,958
Bedford County1211.33%56,08850,381
Fentress County1311.28%20,62318,533
Marshall County1411%38,26034,467
Macon County1510.98%28,03425,260
Sumner County1610.88%218,895197,416
Jefferson County1710.81%60,83154,897
Perry County1810.53%9,2668,383
Williamson County1910.42%275,636249,614
Putnam County2010.13%88,21380,101
Union County219.66%21,76419,847
White County229.31%29,99727,441
Dickson County239.31%59,52054,452
DeKalb County249.29%22,06220,186
Cumberland County259.11%66,97061,381
Coffee County269%63,36558,132
Fayette County278.91%45,60041,868
McMinn County288.86%58,07653,347
Bledsoe County298.85%16,26714,945
Moore County308.44%7,0186,472
Roane County318.12%58,02153,666
Monroe County328.02%50,12246,399
Lewis County338.02%13,62012,609
Hamblen County347.68%69,50964,553
Bradley County357.34%116,816108,832
Franklin County367.29%45,96742,842
Jackson County377.29%12,48511,637
Knox County387.25%515,309480,472
Washington County397.22%142,824133,211
Hamilton County407.21%394,398367,886
Hancock County417.18%7,1046,628
Blount County427.15%145,368135,666
Polk County436.94%18,77617,558
Warren County446.9%43,89041,057
Lawrence County456.79%47,18444,185
Anderson County466.74%82,55877,347
Hickman County476.22%26,52524,972
Overton County486.21%23,99222,590
Smith County496.08%21,17719,963
Cannon County505.98%15,43514,564
Stewart County515.81%14,50513,708
Pickett County525.8%5,2925,002
Morgan County535.67%22,24521,051
Greene County545.66%74,31770,339
Cocke County555.55%38,04236,043
Davidson County565.45%755,185716,153
Hawkins County575.26%59,69656,715
Johnson County585.17%18,91417,985
Rhea County595.01%34,97233,302
Hardin County604.99%28,29426,948
Giles County614.96%31,85030,346
Lincoln County624.7%36,99135,332
Cheatham County634.51%42,94041,088
Claiborne County644.5%33,51832,075
Chester County654.42%18,14717,379
Grundy County664.23%14,11413,541
Scott County674.15%22,78921,880
Sullivan County684.15%164,809158,238
Decatur County694.14%11,90211,429
Humphreys County703.96%19,75018,998
Wayne County713.56%16,79816,220
Henderson County723.5%28,80727,833
Marion County733.37%29,84728,874
Clay County743.22%7,8327,588
Gibson County752.91%51,91350,443
Carroll County762.71%29,19728,427
Sevier County772.64%101,46098,848
Benton County782.61%16,26115,847
Madison County792.51%101,31398,832
Campbell County802.4%40,25539,310
Henry County812.25%32,87232,149
Tipton County822%62,26861,050
McNairy County831.81%26,33525,868
Carter County841.71%57,35456,391
Houston County851.66%8,4338,295
Weakley County861.21%33,30632,908
Crockett County871.02%14,04913,907
Unicoi County88-0.48%17,78717,873
Dyer County89-1.51%36,15636,710
Hardeman County90-1.63%25,02125,435
Lauderdale County91-1.68%24,69425,115
Shelby County92-2.66%905,014929,720
Obion County93-2.93%29,87830,779
Haywood County94-5.35%16,87317,827
Lake County95-11.86%6,1596,988

Tennessee Counties Growth Overview

Tennessee's counties show varied growth patterns from 2020 to 2026. Wilson County leads with 3.21% annualized growth, followed by Maury County (3.03%) and Loudon County (2.75%). The largest counties are Shelby County (905,014), Davidson County (755,185), and Knox County (515,309). Of the 95 counties in Tennessee, 87 are growing while just 8 have experienced population decline. Overall, counties averaged 1.02% annualized growth, with total population growing by 1.06% annually.

Change (2020)

-0.05

-0.025

0

0.025

0.05

0.075

Sources

  1. US Census: 2025 Gazetteer Files
  2. City and Town Population Totals: 2020-2024

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