Fastest Growing Counties in Tennessee (2026)

County
Rank
Change (2020) ↓
2026 Pop.
2020 Pop.
Wilson County121.86%181,140148,651
Loudon County218.3%65,22555,136
Sequatchie County316.63%18,48215,847
Maury County416.62%118,765101,836
Montgomery County516.25%257,279221,309
Marshall County614.66%39,52534,472
Rutherford County714.09%391,690343,302
Fentress County813.15%20,97118,534
Meigs County912.79%14,44712,809
Jefferson County1012.64%61,85754,917
Bledsoe County1112.05%16,75714,955
Robertson County1212.03%81,73772,962
Van Buren County1311.84%6,9066,175
DeKalb County1411.77%22,56720,191
Bedford County1511.39%56,13650,396
Warren County1610.93%45,54741,059
Williamson County1710.88%276,784249,616
Lewis County1810.75%13,96212,607
Sumner County1910.59%218,317197,420
Macon County2010.38%27,89325,269
McMinn County2110.27%58,82253,344
Grainger County229.57%25,82523,569
Cumberland County239.43%67,15861,372
Union County249.34%21,69819,845
White County259.05%29,93027,446
Perry County268.98%9,1398,386
Dickson County278.81%59,25354,453
Hamblen County288.79%70,21364,542
Morgan County298.58%22,85621,050
Hancock County308.48%7,1886,626
Monroe County318.42%50,30646,399
Putnam County328.37%86,77880,078
Clay County338.34%8,2277,594
Coffee County348.2%62,91158,145
Anderson County358.19%83,66177,327
Fayette County368.12%45,26441,865
Hamilton County377.7%396,224367,891
Roane County387.67%57,78053,664
Knox County397.61%517,092480,530
Bradley County407.58%117,082108,831
Franklin County417.56%46,04742,812
Polk County427.49%18,88217,567
Hawkins County437.36%60,89756,721
Lincoln County447.16%37,86735,338
Lawrence County457.14%47,33544,179
Rhea County467.07%35,63933,287
Jackson County476.96%12,44011,631
Greene County486.76%75,10270,348
Grundy County496.73%14,46013,548
Stewart County506.52%14,60313,709
Smith County516.48%21,25919,966
Washington County526.34%141,670133,225
Houston County536.18%8,8188,305
Cocke County546.11%38,24436,043
Blount County556.05%143,865135,656
Overton County565.98%23,93722,587
Marion County575.73%30,56228,905
Humphreys County585.69%20,07618,996
Cheatham County595.42%43,31841,090
Scott County605.42%23,06121,876
Cannon County615.24%15,32414,561
Claiborne County625.2%33,73432,066
Henry County634.96%33,74132,146
Decatur County644.8%11,98211,433
Davidson County654.78%750,331716,095
Moore County664.72%6,7716,466
Chester County674.6%18,18417,385
Johnson County684.29%18,76617,994
Hickman County694.13%26,00124,970
Hardin County703.69%27,95326,958
Madison County713.66%102,44798,834
Sullivan County723.64%164,001158,244
Carroll County733.49%29,42128,428
Giles County743.09%31,28330,344
Gibson County753%51,96250,447
Carter County763%58,07856,386
Tipton County772.86%62,79161,047
Campbell County782.44%40,26439,306
Henderson County792.11%28,41927,831
Benton County802.09%16,18515,853
Trousdale County812.07%11,87511,634
Pickett County821.94%5,0964,999
Sevier County831.25%100,10498,865
McNairy County841.24%26,17925,858
Weakley County851.12%33,26632,897
Unicoi County860.67%17,99217,873
Crockett County870.23%13,93713,905
Hardeman County88-0.72%25,25625,438
Dyer County89-0.99%36,34536,709
Lauderdale County90-1.37%24,78225,125
Wayne County91-2.45%15,82816,225
Obion County92-2.59%29,97730,775
Shelby County93-2.8%903,772929,788
Haywood County94-6.5%16,66717,825
Lake County95-7.63%6,4526,985

Tennessee Counties Growth Overview

Tennessee's counties show varied growth patterns from 2020 to 2026. Wilson County leads with 3.35% annualized growth, followed by Loudon County (2.84%) and Sequatchie County (2.6%). The largest counties are Shelby County (903,772), Davidson County (750,331), and Knox County (517,092). Of the 95 counties in Tennessee, 87 are growing while just 8 have experienced population decline. Overall, counties averaged 1.06% annualized growth, with total population growing by 1.07% annually.

Change (2020)

-0.05

-0.025

0

0.025

0.05

0.075

Sources

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

Recommended Reading