Jefferson County, Alabama: Industrial Catholic Metro county. In 2024, voted D+10%. Democratic peak: D+80 in 1936.
Key facts
- 2024 presidential margin
- D+10MIT Election Lab
- Political typology
- Industrial Catholic MetroAkashic typology
- Population
- 667,7552024 5-year
- Median household income
- $66,3882024 5-year
- White (non-Hispanic)
- 48.4%2024 5-year
- Black
- 42.2%2024 5-year
- Hispanic / Latino
- 5.5%2024 5-year
- Peak Democratic margin
- D+80 in 1936MIT Election Lab
- Peak Republican margin
- R+73 in 1964MIT Election Lab
- Most similar
- Manassas city, VA · similarity 0.98
2024 results by precinct
2024 precinct map of Jefferson CountyPrecinct-level 2024 presidential results for Jefferson County, with each precinct boundary colored by Democratic-vs-Republican margin.
—
Margin—
Turnout—
Harris +50Trump +50
Real precinct boundaries. Hover for vote totals.
presidential history
Presidential margin, 1876–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1876 | +50.6% |
| 1880 | +34.9% |
| 1884 | +3.9% |
| 1888 | +29.1% |
| 1892 | +63.8% |
| 1896 | +41.6% |
| 1900 | +22.5% |
| 1904 | +66.5% |
| 1908 | +52.5% |
| 1912 | +67.0% |
| 1916 | +65.7% |
| 1920 | +54.2% |
| 1924 | +39.8% |
| 1928 | −3.8% |
| 1932 | +72.5% |
| 1936 | +80.0% |
| 1940 | +69.1% |
| 1944 | +61.2% |
| 1948 | −19.2% |
| 1952 | +8.3% |
| 1956 | −5.8% |
| 1960 | −14.8% |
| 1964 | −72.6% |
| 1968 | +7.8% |
| 1972 | −39.2% |
| 1976 | −6.5% |
| 1980 | −7.5% |
| 1984 | −19.1% |
| 1988 | −15.9% |
| 1992 | −8.0% |
| 1996 | −4.1% |
| 2000 | −3.1% |
| 2004 | −9.0% |
| 2008 | +5.1% |
| 2012 | +6.0% |
| 2016 | +7.4% |
| 2020 | +13.1% |
| 2024 | +10.4% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| D | 162,112 | 131,123 | 298,704 | ||
| D | 181,688 | 138,843 | 325,848 | ||
| D | 156,873 | 134,768 | 298,286 | ||
| D | 159,876 | 141,683 | 303,918 | ||
| D | 166,121 | 149,921 | 318,524 | ||
| R | 132,286 | 158,680 | 292,967 | ||
| R | 129,889 | 138,491 | 273,763 | ||
| R | 120,208 | 130,980 | 260,906 | ||
| R | 125,889 | 149,832 | 298,884 | ||
| R | 107,766 | 148,879 | 257,833 | ||
| R | 107,506 | 158,362 | 266,547 | ||
| R | 113,069 | 132,612 | 259,512 | ||
| R | 99,531 | 113,590 | 217,090 | ||
| R | 57,288 | 135,095 | 198,528 | ||
| O | 55,845 | 39,752 | 205,033 | ||
| R | 0 | 100,756 | 138,838 | ||
| R | 44,369 | 60,004 | 105,898 | ||
| R | 38,604 | 43,695 | 87,513 | ||
| D | 38,111 | 32,254 | 70,766 | ||
| O | 0 | 7,261 | 37,861 | ||
| D | 31,101 | 7,409 | 38,684 | ||
| D | 37,110 | 6,714 | 44,001 | ||
| D | 35,980 | 3,810 | 40,194 | ||
| D | 30,858 | 4,567 | 36,239 | ||
| R | 16,735 | 18,060 | 34,907 | ||
| D | 15,133 | 5,678 | 23,780 | ||
| D | 24,982 | 7,124 | 32,939 | ||
| D | 10,677 | 2,052 | 13,120 | ||
| D | 8,887 | 693 | 12,226 | ||
| D | 7,803 | 2,182 | 10,707 | ||
| D | 6,424 | 1,090 | 8,022 | ||
| D | 4,580 | 2,842 | 7,721 | ||
| D | 8,819 | 3,394 | 13,032 | ||
| D | 10,055 | 296 | 15,304 | ||
| D | 5,508 | 3,001 | 8,613 | ||
| D | 2,183 | 2,018 | 4,264 | ||
| D | 1,712 | 781 | 2,669 | ||
| D | 2,102 | 689 | 2,791 |
Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
American
10.7%
English
10.3%
Irish
5.5%
German
4.6%
Scottish
2.1%
Italian
1.8%
French
1.0%
African American
33.8%
Multiple ancestry combinations reported; no single grouping above 1%.
American Indian, Alaska Native, Native Hawaiian, and Pacific Islander combined.
Source · American Community Survey 5-year estimates, 2024 release. Hispanic/Latino is an ethnicity that overlaps the race categories, so these shares can total more than 100%. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
2024 ACS
Age distribution by sex
Median age: 37.7 in this county, 39.1 nationally
Male
Age
Female
85+
75–84
65–74
55–64
45–54
35–44
25–34
18–24
5–17
<5
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Median household income
Inflation-adjusted dollars
$66,388
Jefferson County ranks near the middle of US counties.
Jefferson County$66,388
Alabama$63,999
United States$80,734
Jefferson County ranks near the middle of US counties by median household income.
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Poverty rate
All persons below federal poverty line
15.7%
Children face moderate poverty.
Children under 1821.8%
Working age (18–64)13.9%
Seniors (65+)13.9%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
92.4%
speak English only
Spanish4.6%
Other Indo-European1.2%
Asian & Pacific Islander1.1%
Other languages0.7%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 20.0% of residents not counted as adherents by any reporting body.
Home to Birmingham and a majority-Black electorate, Jefferson County delivered a 10-point Democratic margin in 2024 — a striking outlier in a state that went Republican statewide by nearly 30 points.
Its margins are typically close. The Democratic margin reached eighty points in 1936; the Republican margin reached seventy-three points in 1964. Between 2020 and 2024 the county moved three points toward the Republican candidate; the 2024 margin was ten points.
Its demographics sit near national norms: a 48% non-Hispanic-white share, a median household income of $66,388, and a 16% poverty rate. The county's voting pattern over the last decade is most similar to that of Manassas city and Henrico County.
Most similar counties
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Jefferson County, Alabama. Akashic. https://akashic.app/county/01073/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
More industrial catholic metro counties
Frequently asked questions
How did Jefferson County, Alabama vote in 2024?
In 2024, Jefferson County, Alabama voted Democratic by 10.4 points (D+10), carried by the Democratic candidate. Out of 298,704 votes cast, 162,112 went Democratic and 131,123 went Republican.
What is Jefferson County, Alabama's political typology?
Akashic places Jefferson County, Alabama in the "Industrial Catholic Metro" typology — Mid-size industrial metros with Catholic ethnic roots — among the most competitive, swing-prone ground in the country. The typology is a data-driven cluster built from vote share, vote swing, race and ethnicity, income, language spoken at home, religion, and ancestry. Across 38 elections in the dataset, the county has voted Democratic 23 times, Republican 13 times, and other 2 times.
When did Jefferson County, Alabama last vote Republican?
The most recent presidential election in which Jefferson County, Alabama voted Republican was 2004.
How many people live in Jefferson County, Alabama?
Jefferson County, Alabama has a population of 667,755 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Jefferson County, Alabama?
Median household income in Jefferson County, Alabama is $66,388 — below the national median of $80,734. The Alabama state median is $63,999.
What is the political history of Jefferson County, Alabama?
Akashic tracks 38 presidential elections in Jefferson County, Alabama from 1876 to 2024. Of those, 23 went Democratic and 13 went Republican. The county's typology — "Industrial Catholic Metro" — captures where that record, its demographics, and its recent swing place it among American communities.