This is a 1.4 percent fall in Marengo County’s population, from 19,264 in 2020 to 18,996 in 2021.
Marengo County had the 47th largest population in Alabama in 2021.
The US Census Bureau found more than 73 percent of counties in the US saw a natural decrease in population in 2021. This is up from a 55.5 percent increase in 2020.
The Midwest suffered the most sustained population decreases, with many counties along the US East Coast and through the Rocky Mountains seeing increases.
The US population continues to grow, though at a slower rate than before.
Alabama Counties By Population Change from 2020 to 2021
| County | 2020 Estimated Population | 2021 Estimated Population | % Change in Population From Year to Year |
|---|---|---|---|
| Limestone County | 104,322 | 107,517 | 3.1% |
| Baldwin County | 233,140 | 239,294 | 2.6% |
| Henry County | 17,167 | 17,459 | 1.7% |
| Cullman County | 88,044 | 89,496 | 1.6% |
| St. Clair County | 91,333 | 92,748 | 1.5% |
| Lee County | 174,601 | 177,218 | 1.5% |
| Shelby County | 223,708 | 226,902 | 1.4% |
| Madison County | 389,696 | 395,211 | 1.4% |
| Elmore County | 88,116 | 89,304 | 1.3% |
| Bibb County | 22,223 | 22,477 | 1.1% |
| Coffee County | 53,565 | 54,174 | 1.1% |
| Winston County | 23,491 | 23,652 | 0.7% |
| Coosa County | 10,383 | 10,450 | 0.6% |
| Marshall County | 97,608 | 98,228 | 0.6% |
| Chilton County | 45,024 | 45,274 | 0.6% |
| Jackson County | 52,519 | 52,773 | 0.5% |
| Lauderdale County | 93,610 | 94,043 | 0.5% |
| Cleburne County | 15,035 | 15,103 | 0.5% |
| Colbert County | 57,236 | 57,474 | 0.4% |
| Autauga County | 58,877 | 59,095 | 0.4% |
| Morgan County | 123,336 | 123,668 | 0.3% |
| Dale County | 49,214 | 49,342 | 0.3% |
| DeKalb County | 71,630 | 71,813 | 0.3% |
| Houston County | 107,190 | 107,458 | 0.3% |
| Cherokee County | 24,958 | 24,996 | 0.2% |
| Covington County | 37,469 | 37,524 | 0.1% |
| Bullock County | 10,309 | 10,320 | 0.1% |
| Geneva County | 26,675 | 26,701 | 0.1% |
| Escambia County | 36,665 | 36,699 | 0.1% |
| Randolph County | 21,971 | 21,989 | 0.1% |
| Lawrence County | 33,063 | 33,090 | 0.1% |
| Pike County | 32,981 | 32,991 | 0% |
| Clay County | 14,193 | 14,190 | 0% |
| Tuscaloosa County | 227,153 | 227,007 | -0.1% |
| Blount County | 59,081 | 59,041 | -0.1% |
| Marion County | 29,287 | 29,246 | -0.1% |
| Franklin County | 32,063 | 32,013 | -0.2% |
| Etowah County | 103,393 | 103,162 | -0.2% |
| Calhoun County | 116,266 | 115,972 | -0.3% |
| Hale County | 14,792 | 14,754 | -0.3% |
| Mobile County | 414,250 | 413,073 | -0.3% |
| Monroe County | 19,723 | 19,648 | -0.4% |
| Chambers County | 34,678 | 34,541 | -0.4% |
| Walker County | 65,100 | 64,818 | -0.4% |
| Montgomery County | 228,448 | 227,434 | -0.4% |
| Tallapoosa County | 41,229 | 41,023 | -0.5% |
| Crenshaw County | 13,157 | 13,083 | -0.6% |
| Talladega County | 82,069 | 81,524 | -0.7% |
| Choctaw County | 12,619 | 12,533 | -0.7% |
| Wilcox County | 10,518 | 10,446 | -0.7% |
| Jefferson County | 673,341 | 667,820 | -0.8% |
| Butler County | 19,045 | 18,884 | -0.8% |
| Russell County | 59,226 | 58,722 | -0.9% |
| Barbour County | 25,180 | 24,964 | -0.9% |
| Greene County | 7,704 | 7,629 | -1% |
| Washington County | 15,296 | 15,147 | -1% |
| Fayette County | 16,307 | 16,148 | -1% |
| Clarke County | 22,995 | 22,760 | -1% |
| Sumter County | 12,295 | 12,164 | -1.1% |
| Perry County | 8,452 | 8,355 | -1.1% |
| Pickens County | 19,062 | 18,801 | -1.4% |
| Marengo County | 19,264 | 18,996 | -1.4% |
| Dallas County | 38,190 | 37,619 | -1.5% |
| Lamar County | 13,943 | 13,689 | -1.8% |
| Conecuh County | 11,552 | 11,328 | -1.9% |
| Macon County | 19,476 | 18,895 | -3% |
| Lowndes County | 10,297 | 9,965 | -3.2% |
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