Fastest Growing Counties in Alabama (2025)

County
Rank
Change (2020)
2025 Pop.
2020 Pop.
Limestone County117.3%122,226104,203
Baldwin County214.68%267,459233,227
Madison County310.27%430,590390,503
St. Clair County47.9%98,89491,657
Lee County57.72%188,249174,754
Cullman County67.47%94,72288,136
Cleburne County77.36%16,17315,064
Henry County86.92%18,35717,169
Coffee County96.91%57,24953,549
Shelby County106.71%238,934223,912
Randolph County116.12%23,43822,086
Marshall County125.84%103,41297,702
Chilton County135.64%47,59745,057
Cherokee County145.3%26,29224,969
Lauderdale County154.96%98,69294,025
Elmore County164.85%92,12387,861
Hale County174.7%15,46614,772
Autauga County184.51%61,57458,915
Jackson County193.83%54,55552,545
Lawrence County203.15%34,13233,089
Colbert County213.13%59,09757,304
Tuscaloosa County223.11%238,739231,547
Covington County233.05%38,65037,506
Morgan County242.96%126,937123,288
Geneva County252.79%27,44426,698
Dale County262.77%50,62349,257
DeKalb County272.63%73,54371,659
Blount County282.21%60,41659,107
Houston County291.87%109,292107,284
Pike County301.5%33,39532,900
Calhoun County311.28%117,727116,243
Marion County320.66%29,36829,176
Etowah County330.45%103,917103,453
Talladega County340.4%81,90081,575
Crenshaw County350.33%13,20713,163
Walker County360.26%65,30865,138
Russell County37-0.36%59,04459,258
Mobile County38-0.54%412,124414,377
Winston County39-0.6%23,35123,493
Escambia County40-0.77%36,40236,685
Coosa County41-1.4%10,19010,335
Franklin County42-1.53%31,58632,078
Clay County43-1.72%13,96714,212
Pickens County44-2.12%18,56618,969
Chambers County45-2.14%33,90934,651
Jefferson County46-2.4%658,517674,717
Barbour County47-2.46%24,35524,969
Bibb County48-2.51%21,63222,188
Tallapoosa County49-2.61%40,20541,284
Montgomery County50-2.63%222,338228,342
Lamar County51-2.74%13,57113,953
Washington County52-2.94%14,87815,329
Fayette County53-3.64%15,73716,331
Marengo County54-4.15%18,47019,270
Conecuh County55-4.15%11,07411,554
Monroe County56-4.28%18,86319,706
Clarke County57-4.89%21,86322,987
Choctaw County58-5.8%11,89412,626
Butler County59-6.39%17,81019,025
Sumter County60-6.46%11,40312,191
Lowndes County61-6.81%9,58510,285
Macon County62-7.29%18,04619,464
Greene County63-7.55%7,1197,700
Bullock County64-8.06%9,40510,229
Dallas County65-8.21%35,03738,171
Wilcox County66-9.3%9,55410,534
Perry County67-12.44%7,4068,458

Alabama County Growth Overview

Alabama's counties show varied growth patterns from 2020 to 2025. Limestone County leads with 17.3% annualized growth, followed by Baldwin County (14.68%) and Madison County (10.27%). The largest counties are Jefferson County (658,517), Madison County (430,590), and Mobile County (412,124). Of the 67 counties in Alabama, 36 are growing while 31 have experienced population decline. Overall, counties averaged 0.64% annualized growth, with total population growing by 2.9% annually.