akashic
1876–2024
Duncan·Oklahoma

Duncan delivered R+55.8 in 2024.

20082024·5 elections
OK
Duncan
TrumpR+55.8
How it voted
Share of the 2024 vote
Donald TrumpRepublican77.0%6,815
Kamala HarrisDemocratic21.2%1,876
OtherAll other candidates1.9%165
D+60
R+60
1 counties, each filled by 2024 D-vs-R margin.
presidential history
Presidential margin, 2008–2024
Democratic minus Republican, by election
Presidential margin over timeDemocratic-minus-Republican presidential margin from 2008 to 2024. Most recent: −55.8% in 2024.−55.8%DR20082024
Presidential margin over time
YearMargin (D minus R)
2008−49.9%
2012−50.5%
2016−56.0%
2020−57.7%
2024−55.8%
DemocraticRepublican
Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonMarginDemocraticRepublicanTotal
R
−55.8%
1,8766,8158,856
R
−57.7%
1,9297,4249,531
R
−56.0%
1,8276,9489,148
R
−50.5%
2,2266,7688,994
R
−49.9%
2,3417,0869,516

Demographics

Demographic profile

Demographic Profile

Key indicators compared across containing geographies

Demographic Profile. Key indicators compared across containing geographies. ACS values are survey estimates and may include margins of error. Religion data may be available only at county or larger geographies. Sub-county values are labeled when inherited, modeled, or contextual.
IndicatorDuncanCityOklahomaStateUnited StatesNation
Race & Ethnicity
White77.3%65.2%61.0%
Black2.4%7.0%12.2%
Asian0.7%2.4%6.0%
Two or more races14.5%14.3%12.6%
Other race5.1%11.2%8.2%
Hispanic or Latino11.7%12.7%19.3%
Income & Age
Median household income$58,054$65,039$84,427
Poverty rate20.5%15.4%12.5%
Median age39.937.139.1
Age 18–247.6%9.8%9.2%
Age 65 and older20.7%16.4%17.2%
Education & Language
Bachelor's degree or higher (25+)20.2%28.3%35.7%
Speaks a non-English language at home7.5%11.5%22.3%
Spanish6.1%8.1%13.6%
Ancestry
Largest ancestryEnglish 13.3%German 12.0%German 12.5%
2nd-largest ancestryIrish 11.8%English 11.4%English 9.5%
3rd-largest ancestryGerman 9.8%Irish 9.9%Irish 9.4%
Religion
Catholic2.1%County context6.9%18.6%
Evangelical Protestant50.6%County context41.7%16.5%
Unaffiliated or unclaimed37.2%County context39.1%51.5%
Mainline Protestant8.1%County context7.7%5.2%

ACS values are survey estimates and may include margins of error.

Religion data may be available only at county or larger geographies. Sub-county values are labeled when inherited, modeled, or contextual.

2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
English
13.3%
Irish
11.8%
German
9.8%
American
9.8%
Scottish
2.6%
Italian
1.5%
French
1.3%
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
Language at home
Population aged 5 and older
92.5%
speak English only
Spanish6.1%
Other Indo-European0.5%
Vietnamese0.3%
German or other West Germanic0.1%
Russian, Polish, or other Slavic0.1%
Chinese (incl. Mandarin & Cantonese)0.1%
Tagalog (incl. Filipino)0.1%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Evangelical Protestant
50.6%
Mainline Protestant
8.1%
Catholic
2.1%
Latter-day Saints
0.9%
Black Protestant
0.7%
Other Christian
0.4%
Unaffiliated or not counted37.2%
Source · 2020 US Religion Census. The unaffiliated-or-not-counted share is everyone not claimed as an adherent by any reporting body — uncounted congregations as well as the religiously unaffiliated.

Duncan sits in the Southern Plains. In 2024 it voted Republican.

Across the recorded series it reached a Republican high of 57.7 points in 2020. Between 2020 and 2024 the city moved 1.9 points toward the Democratic candidate; the 2024 margin was 55.8 points.

A population of 22,958, a 77% non-Hispanic-white share, and a median household income of $58,054 describe the city.

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.
Duncan, Oklahoma. Akashic. https://akashic.app/city/4021900/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0

Frequently asked questions

How did Duncan, Oklahoma vote in 2024?
In 2024, Duncan, Oklahoma voted Republican by 55.8 points (R+55.8), carried by the Republican candidate. Out of 8,856 votes cast, 1,876 went Democratic and 6,815 went Republican.
What is Duncan, Oklahoma's political typology?
Akashic places Duncan, Oklahoma in the "" typology. 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 5 elections in the dataset, the city has voted Democratic 0 times, Republican 5 times, and other 0 times.
How many people live in Duncan, Oklahoma?
Duncan, Oklahoma has a population of 22,958 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Duncan, Oklahoma?
Median household income in Duncan, Oklahoma is $58,054 — below the national median of $80,734. The Oklahoma state median is $65,039.
What is the political history of Duncan, Oklahoma?
Akashic tracks 5 presidential elections in Duncan, Oklahoma from 2008 to 2024. Of those, 0 went Democratic and 5 went Republican. The city's typology — "" — captures where that record, its demographics, and its recent swing place it among American communities.