Decatur County, Tennessee: Republican loyalist county. In 2024, voted R+69%. Republican peak: R+69 in 2024.
Key facts
- 2024 presidential margin
- R+69MIT Election Lab
- Political archetype
- Republican loyalistAkashic typology
- Population
- 11,5792024 5-year
- Median household income
- $45,3752024 5-year
- White (non-Hispanic)
- 91.5%2024 5-year
- Black
- 2.7%2024 5-year
- Hispanic / Latino
- 3.7%2024 5-year
- Peak Democratic margin
- D+26 in 1932MIT Election Lab
- Peak Republican margin
- R+69 in 2024MIT Election Lab
- Most similar
- Campbell County, TN · similarity 1.00
2024 results by precinct
2024 precinct map of Decatur CountyPrecinct-level 2024 presidential results for Decatur County, with each precinct boundary colored by Democratic-vs-Republican margin.
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Margin—
Turnout—
Harris +50Trump +50
Real precinct boundaries. Hover for vote totals.
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 819 | 4,596 | 5,466 | ||
| R | 904 | 4,229 | 5,241 | ||
| R | 894 | 3,588 | 4,592 | ||
| R | 1,303 | 2,874 | 4,251 | ||
| R | 1,566 | 3,101 | 4,763 | ||
| R | 2,268 | 2,566 | 4,879 | ||
| D | 2,278 | 2,046 | 4,370 | ||
| D | 2,262 | 1,712 | 4,224 | ||
| D | 2,633 | 1,667 | 4,661 | ||
| R | 1,880 | 2,286 | 4,191 | ||
| R | 2,031 | 2,390 | 4,441 | ||
| D | 2,139 | 2,095 | 4,280 | ||
| D | 2,432 | 1,637 | 4,116 | ||
| R | 1,187 | 2,368 | 3,655 | ||
| O | 877 | 1,409 | 3,830 | ||
| D | 1,813 | 1,429 | 3,242 | ||
| R | 1,321 | 1,684 | 3,075 | ||
| D | 1,554 | 1,512 | 3,101 | ||
| D | 1,681 | 1,406 | 3,100 | ||
| D | 1,565 | 1,291 | 3,020 | ||
| D | 1,515 | 1,235 | 2,763 | ||
| D | 1,832 | 1,275 | 3,117 | ||
| D | 1,502 | 919 | 2,421 | ||
| D | 1,020 | 601 | 1,643 | ||
| D | 809 | 748 | 1,557 | ||
| D | 877 | 799 | 1,696 | ||
| R | 1,149 | 1,608 | 2,780 | ||
| R | 887 | 893 | 1,797 | ||
| D | 758 | 405 | 1,669 | ||
| R | 1,284 | 1,464 | 2,752 | ||
| R | 1,095 | 1,274 | 2,417 | ||
| D | 1,528 | 1,442 | 3,030 | ||
| R | 1,626 | 1,633 | 3,292 | ||
| D | 860 | 667 | 1,612 | ||
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Demographics
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
American
16.1%
Irish
13.1%
English
10.9%
German
7.3%
Italian
1.7%
Scottish
1.7%
Polish
0.8%
African American
2.2%
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.
Age distribution by sex
Median age: 45.8 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.
Median household income
2024 inflation-adjusted dollars
$45,375
Decatur County ranks in the bottom 10% of US counties.
Decatur County$45,375
Tennessee$69,595
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
22.1%
Children face higher poverty than working-age adults.
Children under 1826.1%
Working age (18–64)19.8%
Seniors (65+)31.0%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
96.5%
speak English only
Spanish1.8%
Other Indo-European1.5%
Asian & Pacific Islander0.2%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 44.1% of residents not counted as adherents by any reporting body.
Decatur County's R+69.1 margin in 2024 places it among the most one-sided counties in the state, reflecting a rural, small-population electorate that has shifted decisively toward Republican candidates over the past two decades.
The Republican margin in Decatur County reached its widest at sixty-nine points in 2024. The margin in 2024 was sixty-nine points, in line with the county's deep historical pattern.
Its loyalty is rooted in its place. Median household income of $45,375, a 92% non-Hispanic-white share, and a population of 11,579 together describe a community whose political habits are deeply settled. The county's voting pattern over the last decade is most similar to that of Campbell County and Gibson County.
Most similar counties
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Decatur County, Tennessee — The Long Memory. Akashic Intelligence — The Long Memory. https://akashic.app/county/47039/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
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Frequently asked questions
How did Decatur County, Tennessee vote in 2024?
In 2024, Decatur County, Tennessee voted Republican by 69.1 points (R+69), carried by the Republican candidate. Out of 5,466 votes cast, 819 went Democratic and 4,596 went Republican.
What is Decatur County, Tennessee's political archetype?
Akashic classifies Decatur County, Tennessee as a "Republican loyalist" county based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the county has voted Democratic 18 times, Republican 15 times, and other 1 times.
When did Decatur County, Tennessee last vote Democratic?
The most recent presidential election in which Decatur County, Tennessee voted Democratic was 2000.
How many people live in Decatur County, Tennessee?
Decatur County, Tennessee has a population of 11,579 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Decatur County, Tennessee?
Median household income in Decatur County, Tennessee is $45,375 — below the national median of $80,734. The Tennessee state median is $69,595.
What is the political history of Decatur County, Tennessee?
Akashic tracks 38 presidential elections in Decatur County, Tennessee from 1876 to 2024. Of those, 18 went Democratic and 15 went Republican. The county's archetype — "Republican loyalist" — captures the overall trajectory of that voting record.