Fastest Growing Counties in Tennessee (2025)

County
Rank
Change (2020)
2025 Pop.
2020 Pop.
Loudon County118.42%65,28555,129
Wilson County216.94%173,836148,659
Maury County314.2%116,288101,826
Meigs County413.66%14,55712,808
Marshall County513.62%39,16934,475
Montgomery County612.9%249,818221,281
Jackson County712.26%13,05911,633
Sequatchie County811.35%17,64715,848
Rutherford County910.67%379,939343,298
Macon County1010.62%27,95125,267
Perry County1110.52%9,2638,381
Fentress County1210.17%20,41818,533
Sumner County139.69%216,540197,416
Cumberland County149.67%67,31661,379
Bedford County159.63%55,23750,385
Jefferson County169.61%60,19454,916
White County179.59%30,07627,444
Fayette County189.5%45,84941,870
Robertson County199.02%79,53272,953
Williamson County208.96%271,904249,552
Grainger County218.93%25,67323,569
Trousdale County228.8%12,65911,635
Monroe County238.68%50,42246,394
Roane County248.43%58,03053,517
Hancock County258.28%7,1766,627
Putnam County268.14%86,59280,071
McMinn County278.06%57,64453,343
Dickson County287.89%58,73354,440
DeKalb County297.34%21,67120,189
Washington County307.32%142,966133,219
Coffee County317.23%62,34158,139
Union County327.22%21,27719,845
Van Buren County337.21%6,6196,174
Lawrence County347.15%47,33844,181
Anderson County357.14%82,84477,320
Stewart County367.09%14,67813,706
Warren County376.97%43,91241,052
Cannon County386.93%15,57514,565
Cocke County396.85%38,51436,045
Greene County406.83%75,14770,344
Franklin County416.72%45,72442,845
Blount County426.7%144,748135,657
Knox County436.4%511,247480,516
Hamilton County446.3%390,388367,251
Overton County456.22%23,99522,590
Hickman County466.18%26,51624,972
Lewis County476.09%13,37412,606
Morgan County486%22,30521,042
Hamblen County495.84%68,31464,542
Johnson County505.8%19,03317,990
Hawkins County515.77%59,99456,721
Campbell County525.7%41,54139,301
Grundy County535.64%14,30713,543
Polk County545.56%18,54317,566
Moore County555.29%6,8126,470
Cheatham County565.11%43,23441,131
Carroll County574.61%29,74428,434
Houston County584.54%8,6858,308
Bradley County594.44%113,659108,828
Rhea County604.42%34,39432,938
Marion County614.07%30,04628,870
Sullivan County624.07%164,681158,246
Bledsoe County633.85%15,53214,956
Decatur County643.82%11,87011,433
Claiborne County653.67%33,24832,072
Pickett County663.56%5,1785,000
Smith County673.52%20,67419,971
Lincoln County683.29%36,49535,331
Clay County693.19%7,8307,588
Humphreys County703.07%19,58118,998
Carter County713.06%58,09656,371
Benton County722.94%16,32115,855
Scott County732.92%22,51521,876
Hardin County742.81%27,55726,804
Tipton County752.79%62,74561,042
McNairy County762.5%26,50325,857
Giles County772.45%31,08330,340
Henry County782.33%32,89832,149
Crockett County792.26%14,22213,908
Sevier County802.1%100,63398,562
Gibson County812.06%51,48350,444
Henderson County822.06%28,39627,824
Chester County831.88%17,70217,375
Unicoi County841.12%18,08617,886
Hardeman County850.94%25,67925,440
Davidson County860.87%722,300716,059
Weakley County870.8%33,16632,903
Madison County880.41%99,23598,832
Dyer County89-0.28%36,61436,716
Obion County90-0.94%30,48530,775
Lauderdale County91-3.08%24,34825,123
Wayne County92-3.43%15,66616,222
Shelby County93-3.48%897,412929,763
Haywood County94-4.93%16,94817,826
Lake County95-13.64%6,0416,995

Tennessee County Growth Overview

Tennessee's counties show varied growth patterns from 2020 to 2025. Loudon County leads with 18.42% annualized growth, followed by Wilson County (16.94%) and Maury County (14.2%). The largest counties are Shelby County (897,412), Davidson County (722,300), and Knox County (511,247). Of the 95 counties in Tennessee, 88 are growing while just 7 have experienced population decline. Overall, counties averaged 5.68% annualized growth, with total population growing by 5.13% annually.