Ranking of Alabama Counties By Population with Irish Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 397.27K people in Alabama with Irish ancestry. Among all Alabama counties, Jefferson County had the highest population with Irish ancestry (40.52K), followed by Mobile County (35.99K), and Madison County (35.84K).
The chart and table below shows the top 10 counties with high number of people with Irish ancestry.
You can see similar information for other states and for other ancestry groups in Alabama.
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Related Topics: Alabama ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census Bureau.
Ranking of Alabama Counties By Population with Irish Ancestry in 2021
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| Rank | County | Population |
|---|---|---|
| 1 | Jefferson County | 40519 |
| 2 | Mobile County | 35985 |
| 3 | Madison County | 35842 |
| 4 | Baldwin County | 23574 |
| 5 | Shelby County | 22167 |
| 6 | Tuscaloosa County | 15789 |
| 7 | Lee County | 14929 |
| 8 | Calhoun County | 11410 |
| 9 | Cullman County | 11407 |
| 10 | Morgan County | 10800 |
| 11 | Limestone County | 10093 |
| 12 | Lauderdale County | 10037 |
| 13 | Blount County | 8746 |
| 14 | Montgomery County | 8664 |
| 15 | St. Clair County | 8506 |
| 16 | Elmore County | 8450 |
| 17 | Houston County | 8151 |
| 18 | Walker County | 7579 |
| 19 | Talladega County | 7558 |
| 20 | Etowah County | 7435 |
| 21 | DeKalb County | 6199 |
| 22 | Marshall County | 5813 |
| 23 | Jackson County | 5194 |
| 24 | Autauga County | 5073 |
| 25 | Coffee County | 4311 |
| 26 | Dale County | 3706 |
| 27 | Tallapoosa County | 3503 |
| 28 | Colbert County | 3500 |
| 29 | Lawrence County | 3046 |
| 30 | Chilton County | 3001 |
| 31 | Geneva County | 2951 |
| 32 | Winston County | 2787 |
| 33 | Covington County | 2652 |
| 34 | Russell County | 2568 |
| 35 | Marion County | 2354 |
| 36 | Chambers County | 2120 |
| 37 | Escambia County | 2014 |
| 38 | Cherokee County | 1990 |
| 39 | Randolph County | 1839 |
| 40 | Cleburne County | 1688 |
| 41 | Fayette County | 1529 |
| 42 | Barbour County | 1511 |
| 43 | Bibb County | 1471 |
| 44 | Franklin County | 1462 |
| 45 | Lamar County | 1371 |
| 46 | Henry County | 1313 |
| 47 | Pike County | 1308 |
| 48 | Butler County | 1163 |
| 49 | Marengo County | 1089 |
| 50 | Washington County | 1065 |
| 51 | Clarke County | 1027 |
| 52 | Clay County | 1005 |
| 53 | Dallas County | 933 |
| 54 | Conecuh County | 926 |
| 55 | Pickens County | 840 |
| 56 | Crenshaw County | 838 |
| 57 | Monroe County | 729 |
| 58 | Coosa County | 644 |
| 59 | Macon County | 621 |
| 60 | Choctaw County | 563 |
| 61 | Hale County | 537 |
| 62 | Sumter County | 404 |
| 63 | Perry County | 305 |
| 64 | Wilcox County | 232 |
| 65 | Greene County | 157 |
| 66 | Bullock County | 154 |
| 67 | Lowndes County | 125 |