Oklahoma 18th State Senate District, Oklahoma: Republican loyalist district. In 2024, voted R+26%. Republican peak: R+55 in 1972.
Key facts
- 2024 presidential margin
- R+26MIT Election Lab
- Political archetype
- Republican loyalistAkashic typology
- Population
- 19,0522024 5-year
- Median household income
- $79,2282024 5-year
- White (non-Hispanic)
- 66.5%2024 5-year
- Black
- 8.1%2024 5-year
- Hispanic / Latino
- 15.3%2024 5-year
- Peak Democratic margin
- D+39 in 1932MIT Election Lab
- Peak Republican margin
- R+55 in 1972MIT Election Lab
Constituent county margins for State Senate District 18, OKOne cell per constituent county, colored by 2024 presidential margin from deep red (Republican) through neutral to deep blue (Democratic), ordered bluest first.
R+60D+60
One cell per constituent county. Ordered by 2024 D-vs-R margin (bluest first). Hover for county-level numbers.
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 2,739 | 4,767 | 7,668 | ||
| R | 2,479 | 4,310 | 6,976 | ||
| R | 1,862 | 4,038 | 6,330 | ||
| R | 1,730 | 3,823 | 5,553 | ||
| R | 1,878 | 4,006 | 5,883 | ||
| R | 1,582 | 3,906 | 5,488 | ||
| R | 1,342 | 2,852 | 4,238 | ||
| R | 1,372 | 2,369 | 4,155 | ||
| R | 1,213 | 2,337 | 4,703 | ||
| R | 1,225 | 2,494 | 3,749 | ||
| R | 928 | 2,934 | 3,901 | ||
| R | 890 | 2,359 | 3,432 | ||
| R | 1,323 | 1,794 | 3,172 | ||
| R | 634 | 2,261 | 2,965 | ||
| R | 817 | 1,286 | 2,597 | ||
| D | 1,252 | 1,148 | 2,401 | ||
| R | 902 | 1,367 | 2,269 | ||
| R | 811 | 1,199 | 2,010 | ||
| R | 953 | 1,402 | 2,355 | ||
| D | 947 | 634 | 1,581 | ||
| D | 875 | 720 | 1,597 | ||
| D | 882 | 656 | 1,544 | ||
| D | 899 | 456 | 1,361 | ||
| D | 847 | 374 | 1,222 | ||
| R | 341 | 686 | 1,035 | ||
| D | 413 | 373 | 908 | ||
| R | 390 | 407 | 828 | ||
| D | 224 | 157 | 425 | ||
| D | 204 | 175 | 413 | ||
| D | 189 | 181 | 386 | ||
| — | — | — | — | ||
| — | — | — | — | ||
| — | — | — | — | ||
| — | — | — | — | ||
| — | — | — | — | ||
| — | — | — | — | ||
| — | — | — | — | ||
| — | — | — | — |
Demographics
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
12.6%
English
12.5%
Irish
9.5%
American
5.7%
Scottish
2.1%
Italian
1.6%
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.
Age distribution by sex
Median age: 35.9 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
$79,228
State Senate District 18 ranks near the middle of US counties.
State Senate District 18$79,228
Oklahoma$65,039
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
11.2%
Child poverty is below the national average.
Children under 1814.5%
Working age (18–64)10.1%
Seniors (65+)9.7%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
86.3%
speak English only
Spanish9.7%
Asian & Pacific Islander2.2%
Other Indo-European1.1%
Other languages0.7%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 46.6% of residents not counted as adherents by any reporting body.
With a 2024 presidential margin of R+61.5, this district ranks among the most reliably one-sided in the state. Its rural character and low population density have made competitive general elections essentially nonexistent in recent cycles.
The Republican margin in Oklahoma 18th State Senate District reached its widest at fifty-five points in 1972. The margin in 2024 was twenty-six points, in line with the district's deep historical pattern.
Its loyalty is rooted in its place. Median household income of $79,228, a 67% non-Hispanic-white share, and a population of 19,052 together describe a district whose political habits are deeply settled.
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.
State Senate District 18, Oklahoma. Akashic. https://akashic.app/sld-upper/40018/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Frequently asked questions
How did State Senate District 18, Oklahoma vote in 2024?
In 2024, State Senate District 18, Oklahoma voted Republican by 26.4 points (R+26), carried by the Republican candidate. Out of 7,668 votes cast, 2,739 went Democratic and 4,767 went Republican.
What is State Senate District 18, Oklahoma's political archetype?
Akashic classifies State Senate District 18, Oklahoma as a "Republican loyalist" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 10 times, Republican 20 times, and other 0 times.
When did State Senate District 18, Oklahoma last vote Democratic?
The most recent presidential election in which State Senate District 18, Oklahoma voted Democratic was 1964.
How many people live in State Senate District 18, Oklahoma?
State Senate District 18, Oklahoma has a population of 19,052 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in State Senate District 18, Oklahoma?
Median household income in State Senate District 18, Oklahoma is $79,228 — below the national median of $80,734. The Oklahoma state median is $65,039.
What is the political history of State Senate District 18, Oklahoma?
Akashic tracks 38 presidential elections in State Senate District 18, Oklahoma from 1876 to 2024. Of those, 10 went Democratic and 20 went Republican. The district's archetype — "Republican loyalist" — captures the overall trajectory of that voting record.