akashic
1876–2024
State Senate District 18·Kansas

Kansas 18th State Senate District has voted Republican in eight straight presidential cycles.

One of Kansas's few reliably Democratic-leaning legislative districts

18762024·38 elections
KS
Latest
R+15
in 2024
Archetype
Republican loyalist
since the recent cycles
Population
117,821
2024 ACS

Kansas 18th State Senate District, Kansas: Republican loyalist district. In 2024, voted R+15%. Republican peak: R+51 in 1924.

Key facts

2024 presidential margin
R+15MIT Election Lab
Political archetype
Republican loyalistAkashic typology
Population
117,8212024 5-year
Median household income
$74,1782024 5-year
White (non-Hispanic)
79.8%2024 5-year
Black
5.0%2024 5-year
Hispanic / Latino
11.0%2024 5-year
Peak Democratic margin
D+12 in 1912MIT Election Lab
Peak Republican margin
R+51 in 1924MIT Election Lab
4 counties · 2 D · 2 R
R+60
D+60
One cell per constituent county. Ordered by 2024 D-vs-R margin (bluest first). Hover for county-level numbers.
Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonMarginDemocraticRepublicanTotal
R
−15.3%
23,38732,05956,836
R
−12.2%
24,62331,70257,793
R
−16.0%
19,03127,10650,545
R
−12.4%
20,80626,86648,932
R
−10.4%
23,34628,90053,334
R
−17.9%
20,51329,63251,055
R
−9.5%
19,56023,93746,141
R
−8.8%
18,46022,56146,590
D
+0.3%
18,04717,90249,864
R
−6.1%
19,54922,12342,174
R
−28.7%
14,86826,99342,316
R
−21.7%
13,98822,77240,538
R
−13.7%
16,70422,17539,835
R
−38.7%
11,21125,89637,950
R
−20.1%
11,96219,00535,091
D
+5.4%
17,46315,66733,306
R
−23.4%
13,00220,97234,059
R
−37.3%
9,71221,34231,151
R
−37.3%
10,19622,39932,721
R
−12.6%
12,57716,25529,271
R
−26.1%
9,32015,94825,376
R
−20.1%
12,33818,57831,056
D
+1.0%
15,58015,27131,077
R
−2.8%
13,37514,16928,082
R
−46.9%
6,72118,67825,518
R
−51.0%
4,62416,26122,836
R
−41.1%
5,53313,39219,137
R
−11.6%
8,99911,43421,073
D
+11.6%
4,8933,42812,660
R
−16.9%
5,3157,52913,064
R
−44.8%
2,9328,09111,511
R
−16.7%
5,3757,55513,093
R
−5.2%
6,2606,95613,338
O
−44.5%
05,29011,886
No data
No data
No data
No data

Demographics

Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
25.8%
English
17.2%
Irish
12.0%
American
5.2%
Italian
2.3%
Scottish
2.1%
French
1.8%
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.
Language at home
Population aged 5 and older
94.4%
speak English only
Spanish4.0%
Other Indo-European0.9%
Asian & Pacific Islander0.6%
Other languages0.1%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Catholic & Orthodox
13.1%
Other Christian
11.6%
Methodist
5.7%
Mainline Protestant
5.2%
Baptist
3.9%
Pentecostal & Holiness
3.7%
Non-Christian
0.4%
Source · 2020 US Religion Census. Remaining 56.3% of residents not counted as adherents by any reporting body.

With a 2024 presidential margin of D+12.2, this 74,000-resident district trends well left of the Kansas median, suggesting an urban or university-anchored population base that consistently offsets the state's dominant Republican lean.

The Republican margin in Kansas 18th State Senate District reached its widest at fifty-one points in 1924. The margin in 2024 was fifteen points, in line with the district's deep historical pattern.

Its loyalty is rooted in its place. Median household income of $74,178, a 80% non-Hispanic-white share, and a population of 117,821 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, Kansas. Akashic. https://akashic.app/sld-upper/20018/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0

Frequently asked questions

How did State Senate District 18, Kansas vote in 2024?
In 2024, State Senate District 18, Kansas voted Republican by 15.3 points (R+15), carried by the Republican candidate. Out of 56,836 votes cast, 23,387 went Democratic and 32,059 went Republican.
What is State Senate District 18, Kansas's political archetype?
Akashic classifies State Senate District 18, Kansas as a "Republican loyalist" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 4 times, Republican 29 times, and other 1 times.
When did State Senate District 18, Kansas last vote Democratic?
The most recent presidential election in which State Senate District 18, Kansas voted Democratic was 1992.
How many people live in State Senate District 18, Kansas?
State Senate District 18, Kansas has a population of 117,821 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, Kansas?
Median household income in State Senate District 18, Kansas is $74,178 — below the national median of $80,734. The Kansas state median is $74,275.
What is the political history of State Senate District 18, Kansas?
Akashic tracks 38 presidential elections in State Senate District 18, Kansas from 1876 to 2024. Of those, 4 went Democratic and 29 went Republican. The district's archetype — "Republican loyalist" — captures the overall trajectory of that voting record.