HarrisDemocratic54.0%1,390TrumpRepublican45.0%1,158OtherAll other candidates1.0%27
D+9.0- Lead
- 232
- Total
- 2,575
- vs nation
- D+10.5
- Turnout
- —
Akashiccity
Castle Hills, TX
Office (updates table and map)
President margin by year
Place winner margin
Boundary by 2024 margin · Precinct returns · VEST · MIT Election Lab
President results by year
Vote totals, margins, and source status
BidenDemocratic52.0%1,358TrumpRepublican46.9%1,225OtherAll other candidates1.1%29
D+5.1- Lead
- 133
- Total
- 2,612
- vs nation
- D+0.6
- Turnout
- —
ClintonDemocratic45.1%1,061TrumpRepublican49.1%1,156OtherAll other candidates5.8%136
R+4.0- Lead
- 95
- Total
- 2,353
- vs nation
- R+6.1
- Turnout
- —
ObamaDemocratic38.7%916RomneyRepublican59.7%1,412OtherAll other candidates1.6%38
R+21.0- Lead
- 496
- Total
- 2,366
- vs nation
- R+24.8
- Turnout
- —
ObamaDemocratic38.3%963McCainRepublican61.3%1,540OtherAll other candidates0.4%9
R+23.0- Lead
- 577
- Total
- 2,512
- vs nation
- R+30.2
- Turnout
- —
KerryDemocratic32.3%817BushRepublican66.9%1,692OtherAll other candidates0.8%21
R+34.6- Lead
- 875
- Total
- 2,530
- vs nation
- R+32.1
- Turnout
- —
Key facts
- 2024 presidential margin
- D+9.0MIT Election Lab
- Population
- 3,9432024 5-year
- Median household income
- $95,3912024 5-year
- White (non-Hispanic)
- 42.3%2024 5-year
- Black
- 1.2%2024 5-year
- Hispanic / Latino
- 50.1%2024 5-year
- Peak Democratic margin
- D+9.0 in 2024MIT Election Lab
- Peak Republican margin
- R+34.6 in 2004MIT Election Lab
presidential history
Presidential margin, 2004–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 2004 | −34.6% |
| 2008 | −23.0% |
| 2012 | −21.0% |
| 2016 | −4.0% |
| 2020 | +5.1% |
| 2024 | +9.0% |
DemocraticRepublican
6 presidential elections
| Year | Won | Democratic | Republican | Other | Margin | Swing | vs U.S. | Total |
|---|---|---|---|---|---|---|---|---|
| D | 54.0%Harris1,390 | 45.0%Trump1,158 | 1.0% | D+9.0 | D+3.9 | D+10.5 | 2,575 | |
| D | 52.0%Biden1,358 | 46.9%Trump1,225 | 1.1% | D+5.1 | D+9.1 | D+0.6 | 2,612 | |
| R | 45.1%Clinton1,061 | 49.1%Trump1,156 | 5.8% | R+4.0 | D+16.9 | R+6.1 | 2,353 | |
| R | 38.7%Obama916 | 59.7%Romney1,412 | 1.6% | R+21.0 | D+2.0 | R+24.8 | 2,366 | |
| R | 38.3%Obama963 | 61.3%McCain1,540 | 0.4% | R+23.0 | D+11.6 | R+30.2 | 2,512 | |
| R | 32.3%Kerry817 | 66.9%Bush1,692 | 0.8% | R+34.6 | — | R+32.1 | 2,530 |
Federal and statewide elections · 2 House · 2 Senate
U.S. House
Each row shows U.S. House votes counted inside this Place. “Vote lead” is the local lead here, not necessarily the winner of the full contest.
| Year | Vote lead | Democratic | Republican | Total |
|---|---|---|---|---|
| 2024 | D | 52.8%1,304 | 47.2%1,166 | 2,470 |
| 2020 | D | 50.4%1,279 | 49.6%1,258 | 2,537 |
U.S. Senate
| Year | Won | Democratic | Republican | Total |
|---|---|---|---|---|
| 2024 | D | 55.8%1,428 | 42.9%1,096 | 2,557 |
| 2020 | R | 48.8%1,251 | 51.2%1,312 | 2,563 |
Castle Hills is an independent municipality entirely encircled by San Antonio, a rare geographic arrangement that gives its roughly 4,000 residents their own city government and distinct voting precinct identity within Bexar County.
Across the recorded series it reached a Democratic high of 9.0 points in 2024 and a Republican high of 34.6 points in 2004. Between 2020 and 2024 the city moved 3.9 points toward the Democratic candidate; the 2024 margin was 9.0 points.
A population of 3,943, a 42% non-Hispanic-white share, and a median household income of $95,391 describe the city.
Browse places by community — income, education, race & ethnicity, language — all community cuts →
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.
Castle Hills, Texas. Akashic. https://akashic.app/city/4813276/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Texas at the ballot boxAll elections →
Frequently asked questions
How did Castle Hills, Texas vote in 2024?
In 2024, Castle Hills, Texas voted Democratic by 9.0 points (D+9.0), carried by the Democratic candidate. Out of 2,575 votes cast, 1,390 went Democratic and 1,158 went Republican.
When did Castle Hills, Texas last vote Republican?
The most recent presidential election in which Castle Hills, Texas voted Republican was 2016.
How many people live in Castle Hills, Texas?
Castle Hills, Texas has a population of 3,943 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Castle Hills, Texas?
Median household income in Castle Hills, Texas is $95,391 — above the national median of $80,734. The Texas state median is $78,476.
What is the political history of Castle Hills, Texas?
Akashic tracks 6 presidential elections in Castle Hills, Texas from 2004 to 2024. Of those, 2 went Democratic and 4 went Republican.