Texas 18th State Senate District, Texas: Old Confederacy district. In 2024, voted R+24%. Democratic peak: D+85 in 1932.
Key facts
- 2024 presidential margin
- R+24MIT Election Lab
- Political archetype
- Old ConfederacyAkashic typology
- Population
- 1,147,0592024 5-year
- Median household income
- $86,0452024 5-year
- White (non-Hispanic)
- 47.0%2024 5-year
- Black
- 14.7%2024 5-year
- Hispanic / Latino
- 33.9%2024 5-year
- Peak Democratic margin
- D+85 in 1932MIT Election Lab
- Peak Republican margin
- R+35 in 1972MIT Election Lab
Constituent county margins for State Senate District 18, TXOne 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 | 170,732 | 283,560 | 461,657 | ||
| R | 183,412 | 261,259 | 450,532 | ||
| R | 136,543 | 208,808 | 358,664 | ||
| R | 117,761 | 200,449 | 322,080 | ||
| R | 124,448 | 188,510 | 315,325 | ||
| R | 101,454 | 183,101 | 286,170 | ||
| R | 87,522 | 155,982 | 248,550 | ||
| R | 85,316 | 111,727 | 211,147 | ||
| R | 77,742 | 100,245 | 222,851 | ||
| R | 80,867 | 112,803 | 195,122 | ||
| R | 67,505 | 131,101 | 199,104 | ||
| R | 63,662 | 94,124 | 162,342 | ||
| D | 71,188 | 70,920 | 143,112 | ||
| R | 37,700 | 78,744 | 116,885 | ||
| R | 43,286 | 44,033 | 108,659 | ||
| D | 62,533 | 33,180 | 95,865 | ||
| D | 45,674 | 38,100 | 84,696 | ||
| R | 29,004 | 44,336 | 73,968 | ||
| R | 33,860 | 46,464 | 80,410 | ||
| D | 29,031 | 15,858 | 50,189 | ||
| D | 30,551 | 10,864 | 51,151 | ||
| D | 32,438 | 15,578 | 48,063 | ||
| D | 28,901 | 4,761 | 33,757 | ||
| D | 40,522 | 3,130 | 43,777 | ||
| D | 23,845 | 10,608 | 34,478 | ||
| D | 33,632 | 7,304 | 46,074 | ||
| O | 12,013 | 7,635 | 33,102 | ||
| D | 15,394 | 8,886 | 25,115 | ||
| D | 13,651 | 3,393 | 19,755 | ||
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Demographics
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
10.8%
English
7.0%
Irish
5.4%
American
4.0%
Italian
1.7%
French
1.5%
Polish
1.1%
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: 37.6 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
$86,045
State Senate District 18 ranks near the middle of US counties.
State Senate District 18$86,045
Texas$78,476
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
12.5%
Children face moderate poverty.
Children under 1816.7%
Working age (18–64)10.9%
Seniors (65+)12.5%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
66.5%
speak English only
Spanish23.3%
Asian & Pacific Islander4.9%
Other Indo-European3.7%
Other languages1.6%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 45.6% of residents not counted as adherents by any reporting body.
With a 2024 presidential margin of R+65.3 across a population of nearly 950,000, this West Texas district ranks among the most reliably one-sided state senate seats in the country, leaving general-election competition largely absent.
The shift began with civil rights. 1980 marked the realignment in Texas 18th State Senate District, by a nineteen points margin. The Republican margin reached its widest at thirty-five points in 1972. The 2024 margin was twenty-four points.
The political shift has tracked, in Texas 18th State Senate District, the political shift of the South more broadly. A 47% non-Hispanic-white share, a median household income of $86,045, and a 13% poverty rate describe the demographic context.
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, Texas. Akashic. https://akashic.app/sld-upper/48018/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Frequently asked questions
How did State Senate District 18, Texas vote in 2024?
In 2024, State Senate District 18, Texas voted Republican by 24.4 points (R+24), carried by the Republican candidate. Out of 461,657 votes cast, 170,732 went Democratic and 283,560 went Republican.
What is State Senate District 18, Texas's political archetype?
Akashic classifies State Senate District 18, Texas as a "Old Confederacy" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 12 times, Republican 16 times, and other 1 times.
When did State Senate District 18, Texas last vote Democratic?
The most recent presidential election in which State Senate District 18, Texas voted Democratic was 1976.
How many people live in State Senate District 18, Texas?
State Senate District 18, Texas has a population of 1,147,059 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, Texas?
Median household income in State Senate District 18, Texas is $86,045 — above the national median of $80,734. The Texas state median is $78,476.
What is the political history of State Senate District 18, Texas?
Akashic tracks 38 presidential elections in State Senate District 18, Texas from 1876 to 2024. Of those, 12 went Democratic and 16 went Republican. The district's archetype — "Old Confederacy" — captures the overall trajectory of that voting record.