† Citizen voting-age population estimated for prior cycles; 2004 predates the ACS and is extrapolated. Source: ACS 5-year, table B05003.
——
D+60R+60
2 counties by 2024 margin · County returns · MIT Election Lab
People and households
Who lives here
Exact values for this place, its state, and the United States.
Race · ethnicity · ancestry
Communities and origins
GroupDecatur, ALAlabamaUnited States
American16.6%12.8%5.3%
English12.8%12.1%9.5%
Irish8.5%8.0%9.4%
German6.4%6.4%12.5%
Scottish2.2%2.0%1.3%
Italian1.5%1.7%4.8%
Scotch-Irish1.1%1.2%—
French0.8%1.1%1.6%
African American†11.4%24.6%9.9%
African0.2%0.6%0.5%
Mexican5.7%3.2%11.3%
Guatemalan1.5%0.5%0.5%
Puerto Rican0.4%0.5%1.8%
Cuban0.3%0.2%0.7%
Peruvian0.2%——
Spaniard0.2%——
Hispanic or Latino counts residents of any race; the race groups count only their non-Hispanic residents, so the groups are mutually exclusive and sum to 100%. Expand a row to see ancestries reported within that group.
Age and life stage
Measure
Decatur, AL
Alabama
United States
Median age
40.5
39.4
39.1
Age 18–24
8.0%
9.4%
9.2%
Age 65 and older
18.2%
17.7%
17.2%
Household economy
Measure
Decatur, AL
Alabama
United States
Median household income
$68,260
$63,999
$84,427
Poverty rate
13.5%
15.6%
12.5%
Bachelor's degree or higher (25+)
21.6%
28.5%
35.6%
Languages at home
Measure
Decatur, AL
Alabama
United States
Speaks a non-English language at home
7.7%
6.1%
22.3%
Spanish
6.5%
3.9%
13.6%
Religious landscape
Measure
Decatur, AL
Alabama
United States
Catholic
4.6%
5.0%
18.6%
Evangelical Protestant
55.6%
42.2%
16.5%
Unclaimed / not counted
31.1%
36.6%
51.5%
Mainline Protestant
5.0%
6.5%
5.2%
American Community Survey 2024 5-year (CVAP, income, age, poverty, education, language, race, ancestry) · presidential returns from MIT Election Lab through 2024 · 2020 U.S. Religion Census (ASARB) — congregational adherents; unclaimed is the residual not counted by congregations.
Decatur, AL
presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
Presidential margin over time
Year
Margin (D minus R)
1892
+47.0%
1896
+3.3%
1900
+9.1%
1904
+45.6%
1908
+40.9%
1912
+53.9%
1916
+72.7%
1920
+41.6%
1924
+48.8%
1928
−7.3%
1932
+74.5%
1936
+79.5%
1940
+76.8%
1944
+65.6%
1948
−14.0%
1952
+50.9%
1956
+42.9%
1960
+30.5%
1964
−55.1%
1968
−3.7%
1972
−54.8%
1976
+37.6%
1980
+13.5%
1984
−27.8%
1988
−18.7%
1992
−5.7%
1996
−11.5%
2000
−16.6%
2004
−32.7%
2008
−40.2%
2012
−40.6%
2016
−51.7%
2020
−50.4%
2024
−54.7%
DemocraticRepublican
34 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024). Swing · margin change from the prior cycle. vs U.S. · margin relative to the national result that year.
Year
Won
Democratic
Republican
Other
Margin
Swing
vs U.S.
Total
R
22.1%Harris15,375
76.8%Trump53,473
1.2%
R+54.7
R+4.2
R+53.2
69,665
R
24.1%Biden16,796
74.5%Trump51,986
1.4%
R+50.4
D+1.3
R+54.9
69,753
R
23.0%Clinton14,881
74.8%Trump48,319
2.2%
R+51.7
R+11.1
R+53.8
64,618
R
29.2%Obama18,508
69.8%Romney44,265
1.0%
R+40.6
R+0.4
R+44.5
63,435
R
29.2%Obama19,059
69.4%McCain45,291
1.3%
R+40.2
R+7.6
R+47.5
65,222
R
33.3%Kerry20,286
65.9%Bush40,207
0.8%
R+32.7
R+16.1
R+30.2
61,008
R
40.7%Gore22,356
57.3%Bush31,445
1.9%
R+16.6
R+5.0
R+17.1
54,866
R
39.6%Clinton19,870
51.2%Dole25,658
9.2%
R+11.5
R+5.8
R+20.1
50,156
R
38.6%Clinton21,455
44.4%Bush24,649
17.0%
R+5.7
D+12.9
R+11.3
55,567
R
40.3%Dukakis15,240
59.0%Bush22,295
0.7%
R+18.7
D+9.1
R+10.9
37,814
R
35.8%Mondale16,190
63.6%Reagan28,767
0.6%
R+27.8
R+41.3
R+9.6
45,235
D
54.8%Carter20,815
41.2%Reagan15,670
4.0%
D+13.5
R+24.1
D+23.3
38,013
D
68.2%Carter23,357
30.6%Ford10,473
1.3%
D+37.6
D+92.4
D+35.5
34,270
R
21.8%McGovern6,420
76.6%Nixon22,533
1.6%
R+54.8
R+51.1
R+31.6
29,416
O
8.5%Humphrey2,528
12.2%Nixon3,623
79.4%
Wallace +67.2
D+51.5
R+3.0
29,806
R
0.0%Johnson0
55.1%Goldwater8,822
44.9%
R+55.1
R+85.6
R+77.7
15,998
D
65.2%Kennedy10,751
34.7%Nixon5,722
0.2%
D+30.5
R+12.4
D+30.3
16,501
D
70.6%Stevenson10,632
27.7%Eisenhower4,171
1.7%
D+42.9
R+8.0
D+58.3
15,057
D
75.4%Stevenson9,680
24.5%Eisenhower3,144
0.2%
D+50.9
D+64.9
D+61.6
12,846
O
0.0%Truman0
14.0%Dewey869
86.0%
Thurmond +71.9
R+79.6
R+18.5
6,188
D
82.4%Roosevelt6,017
16.8%Dewey1,229
0.8%
D+65.6
R+11.2
D+58.1
7,301
D
88.1%Roosevelt7,622
11.3%Willkie980
0.5%
D+76.8
R+2.7
D+66.9
8,647
D
89.6%Roosevelt7,810
10.0%Landon876
0.4%
D+79.5
D+5.0
D+55.2
8,721
D
86.6%Roosevelt6,816
12.1%Hoover955
1.3%
D+74.5
D+81.7
D+56.7
7,871
R
46.3%Smith4,401
53.6%Hoover5,093
0.1%
R+7.3
R+56.1
D+10.2
9,506
D
70.2%Davis3,237
21.4%Coolidge987
8.4%
D+48.8
D+7.2
D+74.0
4,611
D
70.2%Cox4,992
28.6%Harding2,032
1.2%
D+41.6
R+31.1
D+67.8
7,111
D
83.6%Wilson3,115
10.9%Hughes407
5.4%
D+72.7
D+18.8
D+69.6
3,724
D
66.4%Wilson2,329
12.5%Taft439
21.0%
D+53.9
D+13.0
D+34.4
3,505
D
67.2%Bryan2,150
26.3%Taft841
6.5%
D+40.9
R+4.7
D+50.5
3,199
D
70.4%Parker2,346
24.8%Roosevelt826
4.8%
D+45.6
D+36.6
D+65.3
3,331
D
53.2%Bryan3,009
44.1%McKinley2,496
2.7%
D+9.1
D+5.7
D+16.6
5,655
D
49.3%Bryan3,376
46.0%McKinley3,147
4.7%
D+3.3
R+43.7
D+9.4
6,846
O
47.1%Cleveland3,676
0.1%Harrison6
52.8%
Weaver +5.7
—
D+45.4
7,801
Congressional elections · 2 Senate races
U.S. Senate
Source · MIT Election Lab (MEDSL), Senate. CC-BY 4.0.
Year
Won
Democratic
Republican
Total
2022
R
18.2%7,795
79.1%33,883
42,833
2020
R
27.8%19,319
72.0%49,990
69,453
voter registration
Registered voters
Total registered voters, over time
Registered voters
Voter registration in Decatur, AL
Year
Total registered
2018
104,352
2020
111,122
2022
111,230
2024
114,515
domestic migration
Who moves in and out
Net domestic migration over time
+249 net domestic migration · 2025
20112025
Net +411 over 2011–2025 · gain loss
Domestic migration in Decatur, AL in Decatur, AL: net domestic migration by year
Year
Net domestic migration
2011
−196
2012
−395
2013
−912
2014
−441
2015
−657
2016
−415
2017
−472
2018
+69
2019
+354
2021
+410
2022
+1,296
2023
+1,206
2024
+315
2025
+249
Decatur's Lawrence and Morgan counties lean heavily Republican in federal contests, but the area's industrial workforce and proximity to Huntsville's tech corridor introduce demographic pressures that distinguish it from purely rural north Alabama.
Across the recorded series it reached a Democratic high of 79.5 points in 1936 and a Republican high of 55.1 points in 1964. Between 2020 and 2024 the metro moved 4.2 points toward the Republican candidate; the 2024 margin was 54.7 points.
A population of 157,747, a 73% non-Hispanic-white share, and a median household income of $68,260 describe the metro. The metro's voting pattern over the last decade is most similar to that of Gadsden, AL and Morristown, TN.
Akashic
Political twins — metros
The metros whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.
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.
Decatur, AL, Alabama. Akashic. https://akashic.app/cbsa/19460/. Accessed May 20, 2026. License: CC BY 4.0.
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In 2024, Decatur, AL, Alabama voted Republican by 54.7 points (R+54.7), carried by the Republican candidate. Out of 69,665 votes cast, 15,375 went Democratic and 53,473 went Republican.
When did Decatur, AL, Alabama last vote Democratic?
The most recent presidential election in which Decatur, AL, Alabama voted Democratic was 1980.
How many people live in Decatur, AL, Alabama?
Decatur, AL, Alabama has a population of 157,747 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Decatur, AL, Alabama?
Median household income in Decatur, AL, Alabama is $68,260 — below the national median of $80,734. The Alabama state median is $63,999.
What is the political history of Decatur, AL, Alabama?
Akashic tracks 34 presidential elections in Decatur, AL, Alabama from 1892 to 2024. Of those, 17 went Democratic and 14 went Republican.
