akashic
1876–2024
State Senate District 40·Oklahoma

Oklahoma 40th State Senate District delivered R+2 in 2024 — close enough to flip again next time.

One of Oklahoma's most lopsided legislative districts by presidential margin

1876 — 2024·38 elections
OK
Latest
R+2
in 2024
Archetype
Tossup
since the recent cycles
Population
36,806
2024 ACS

Oklahoma 40th State Senate District, Oklahoma: Tossup district. In 2024, voted R+2%. Republican peak: R+53 in 1972.

Key facts

2024 presidential margin
R+2MIT Election Lab
Political archetype
TossupAkashic typology
Population
36,8062024 5-year
Median household income
$66,6792024 5-year
White (non-Hispanic)
57.4%2024 5-year
Black
14.3%2024 5-year
Hispanic / Latino
20.1%2024 5-year
Peak Democratic margin
D+35 in 1936MIT Election Lab
Peak Republican margin
R+53 in 1972MIT Election Lab
2024 results by constituent county
1 counties · 0 D · 1 R
R+60
D+60
One cell per constituent county. Ordered by 2024 D-vs-R margin (bluest first). Hover for county-level numbers.
38 presidential elections
Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonMarginDemocraticRepublicanTotal
R
−1.7%
6,3356,55713,190
R
−1.1%
6,4706,62213,456
R
−10.5%
5,1506,46312,506
R
−16.7%
4,8846,83611,720
R
−16.8%
5,3047,44912,754
R
−28.5%
4,4427,97812,420
R
−25.8%
3,7256,34910,186
R
−18.2%
3,6725,49810,055
R
−19.4%
3,4825,78811,866
R
−28.0%
3,4616,1809,719
R
−44.7%
2,7507,30310,193
R
−38.2%
2,6836,3709,645
R
−15.2%
3,9805,4389,592
R
−52.6%
2,1457,1429,493
R
−17.5%
2,7574,2558,557
D
+4.0%
4,1383,8197,958
R
−22.9%
2,9514,7027,653
R
−19.5%
2,6263,8996,524
R
−15.3%
3,2054,3607,564
D
+19.8%
2,7371,8344,571
D
+15.3%
2,6391,9394,583
D
+20.1%
2,4491,6274,091
D
+35.2%
2,3261,1103,453
D
+31.9%
1,8789702,847
R
−38.8%
7341,6712,418
D
+9.8%
9917991,967
D
+7.2%
8147011,569
D
+18.3%
364242665
D
+9.2%
318261620
R
−4.9%
223247493
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Demographics

Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
English
11.3%
German
10.8%
Irish
8.2%
American
5.2%
Scottish
1.9%
Italian
1.7%
French
1.5%
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: 35.2 in this county, 39.1 nationally
Male
Age
Female
0.5%
85+
0.9%
1.8%
75–84
2.5%
4.1%
65–74
4.7%
5.4%
55–64
5.8%
5.5%
45–54
5.7%
6.8%
35–44
6.9%
7.4%
25–34
7.5%
4.7%
18–24
4.7%
9.5%
5–17
9.0%
3.5%
<5
3.3%
Source · American Community Survey 5-year estimates, 2024 release.
Median household income
2024 inflation-adjusted dollars
$66,679
State Senate District 40 ranks near the middle of US counties.
State Senate District 40$66,679
Oklahoma$65,039
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
16.0%
Children face moderate poverty.
Children under 1821.8%
Working age (18–64)14.2%
Seniors (65+)9.9%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
81.1%
speak English only
Spanish14.5%
Asian & Pacific Islander2.1%
Other Indo-European1.5%
Other languages0.9%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Other Christian
23.5%
Baptist
17.2%
Catholic & Orthodox
13.2%
Pentecostal & Holiness
8.5%
Methodist
6.5%
Mainline Protestant
2.8%
Non-Christian
2.5%
Source · 2020 US Religion Census. Remaining 25.8% of residents not counted as adherents by any reporting body.

With a 2024 presidential margin of R+43.4, District 40 sits among the most heavily one-sided state senate seats in Oklahoma, reflecting the deep-red political alignment typical of its regional geography and demographics.

The district's recent history is a story of close margins. The Democratic margin reached thirty-five points in 1936; the Republican margin reached fifty-three points in 1972. Most other elections have been decided by single-digit points.

Its demographics — a population of 36,806, a 57% non-Hispanic-white share, a median household income of $66,679 — situate the district close to national averages on several dimensions.

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 40, Oklahoma. Akashic. https://akashic.app/sld-upper/40040/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0

Frequently asked questions

How did State Senate District 40, Oklahoma vote in 2024?
In 2024, State Senate District 40, Oklahoma voted Republican by 1.7 points (R+2), carried by the Republican candidate. Out of 13,190 votes cast, 6,335 went Democratic and 6,557 went Republican.
What is State Senate District 40, Oklahoma's political archetype?
Akashic classifies State Senate District 40, Oklahoma as a "Tossup" 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 40, Oklahoma last vote Democratic?
The most recent presidential election in which State Senate District 40, Oklahoma voted Democratic was 1964.
How many people live in State Senate District 40, Oklahoma?
State Senate District 40, Oklahoma has a population of 36,806 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 40, Oklahoma?
Median household income in State Senate District 40, Oklahoma is $66,679 — below the national median of $80,734. The Oklahoma state median is $65,039.
What is the political history of State Senate District 40, Oklahoma?
Akashic tracks 38 presidential elections in State Senate District 40, Oklahoma from 1876 to 2024. Of those, 10 went Democratic and 20 went Republican. The district's archetype — "Tossup" — captures the overall trajectory of that voting record.