Colorado 1st State House District · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1904–2024 · 31 presidential cycles
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
Joe Biden2020
67.4%
27,935 votes · D+37.3 · modeled estimate
Runner-up · Kamala Harris, 2024 · 63.3%
Republican
Calvin Coolidge1924
78.2%
10,301 votes · R+67.5 · modeled estimate
Runner-up · Herbert Hoover, 1928 · 77.7%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
27,935votes
67.4% of the vote · D+37.3 · modeled estimate
Runner-up · Kamala Harris, 2024 · 23,926 votes
Republican
Richard Nixon1972
21,420votes
69.9% of the vote · R+41.7 · modeled estimate
Runner-up · Dwight D. Eisenhower, 1956 · 21,333 votes
Best relative to the U.S.
This Place’s margin against the national margin in the same election — positive when it leaned toward the party more than the country did.
Democratic
Joe Biden2020
+32.8pts D vs U.S.
Place D+37.3 · U.S. D+4.5 · modeled estimate
Runner-up · Kamala Harris, 2024 · +30.9 pts
Republican
Calvin Coolidge1924
+42.4pts R vs U.S.
Place R+67.5 · U.S. R+25.2 · modeled estimate
Runner-up · Herbert Hoover, 1932 · +40.6 pts
current representation
Current officeholders
DJavier MabreyState House · 1
State legislative officeholder from OpenStates nightly current-legislator data.
Colorado 1st State House District sits in the Rocky Mountain West. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 37.3 points in 2020 and a Republican high of 67.5 points in 1924. Between 2020 and 2024 the district moved 7.9 points toward the Republican candidate; the 2024 margin was 29.4 points.
A population of 87,635, a 40% non-Hispanic-white share, and a median household income of $82,559 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 51 and State House District 4.
Akashic
Political twins — state-house districts
The state-house districts whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.
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 → · Or open the source-auditable district brief for electoral baseline, electorate, current-cycle coverage, geography, official dates, and methodology. Open campaign intelligence report →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Colorado 1st State House District. Akashic. https://akashic.app/sld-lower/08001/. Accessed May 20, 2026. License: CC BY 4.0.
How did Colorado 1st State House District vote in 2024?
In 2024, Colorado 1st State House District voted Democratic by 29.4 points (D+29.4), carried by the Democratic candidate. Out of 37,770 votes cast, 23,926 went Democratic and 12,816 went Republican.
When did Colorado 1st State House District last vote Republican?
The most recent presidential election in which Colorado 1st State House District voted Republican was 1988.
How many people live in Colorado 1st State House District?
Colorado 1st State House District has a population of 87,635 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Colorado 1st State House District?
Median household income in Colorado 1st State House District is $82,559 — above the national median of $80,734. The Colorado state median is $95,470.
What is the political history of Colorado 1st State House District?
Akashic tracks 38 presidential elections in Colorado 1st State House District from 1876 to 2024. Of those, 9 went Democratic and 21 went Republican.