- Lead
- 11,110
- Total
- 37,770
- vs nation
- D+30.9
Colorado 1st State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 15,456
- Total
- 41,462
- vs nation
- D+32.8
- Lead
- 10,548
- Total
- 35,450
- vs nation
- D+27.7
- Lead
- 6,736
- Total
- 33,268
- vs nation
- D+16.4
- Lead
- 7,077
- Total
- 29,571
- vs nation
- D+16.7
- Lead
- 2,286
- Total
- 27,273
- vs nation
- D+10.8
- Lead
- 72
- Total
- 23,058
- vs nation
- R+0.2
- Lead
- 375
- Total
- 22,647
- vs nation
- R+6.9
Key facts
- 2024 presidential margin
- D+29.4MIT Election Lab
- Population
- 87,6352024 5-year
- Population density
- 5,765 / sq mi2024 5-year · TIGER/Line
- Land area
- 15.2 sq miTIGER/Line
- Median household income
- $82,5592024 5-year
- White (non-Hispanic)
- 39.7%2024 5-year
- Black
- 2.8%2024 5-year
- Hispanic / Latino
- 48.3%2024 5-year
- Peak Democratic margin
- D+37.3 in 2020MIT Election Lab
- Peak Republican margin
- R+67.5 in 1924MIT Election Lab
- Most similar
- State House District 51, TX · twin score 92.4
presidential history
Party record book
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 officeholders
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.
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.
District research tools
Open the source-auditable district brief for electoral baseline, electorate, current-cycle coverage, geography, official dates, and methodology. Open campaign intelligence report → · Browse all comparisons →
Colorado 1st State House District. Akashic. https://akashic.app/sld-lower/08001/. Accessed May 20, 2026. License: CC BY 4.0.