- Lead
- 14,589
- Total
- 43,359
- vs nation
- D+35.1
Colorado 3rd State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 17,676
- Total
- 47,605
- vs nation
- D+32.7
- Lead
- 10,225
- Total
- 41,160
- vs nation
- D+22.8
- Lead
- 7,294
- Total
- 38,548
- vs nation
- D+15.1
- Lead
- 7,747
- Total
- 35,192
- vs nation
- D+14.7
- Lead
- 2,042
- Total
- 30,921
- vs nation
- D+9.1
- Lead
- 100
- Total
- 25,933
- vs nation
- R+0.1
- Lead
- 125
- Total
- 23,613
- vs nation
- R+8.0
Key facts
- 2024 presidential margin
- D+33.6MIT Election Lab
- Population
- 87,2842024 5-year
- Population density
- 4,098 / sq mi2024 5-year · TIGER/Line
- Land area
- 21.3 sq miTIGER/Line
- Median household income
- $82,7462024 5-year
- White (non-Hispanic)
- 63.5%2024 5-year
- Black
- 6.9%2024 5-year
- Hispanic / Latino
- 19.1%2024 5-year
- Peak Democratic margin
- D+77.7 in 1896MIT Election Lab
- Peak Republican margin
- R+64.5 in 1924MIT Election Lab
- Most similar
- State House District 9, CO · twin score 94.9
presidential history
Party record book
Colorado 3rd State House District · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1892–2024 (partial returns from 1880) · 37 presidential cycles · 37 with a vote-share denominator · 34 with a national benchmark
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
William J. Bryan1896
88.0%
3,548 votes · D+77.7 · modeled estimate
Runner-up · Joe Biden, 2020 · 67.2%
Republican
Calvin Coolidge1924
76.3%
4,953 votes · R+64.5 · modeled estimate
Runner-up · Herbert Hoover, 1928 · 76.1%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
31,999votes
67.2% of the vote · D+37.1 · modeled estimate
Runner-up · Kamala Harris, 2024 · 28,359 votes
Republican
Ronald Reagan1984
16,274votes
65.7% of the vote · R+33.1 · modeled estimate
Runner-up · Mitt Romney, 2012 · 15,056 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
William J. Bryan1896
+83.8pts D vs U.S.
Place D+77.7 · U.S. R+6.1 · modeled estimate
Runner-up · Kamala Harris, 2024 · +35.1 pts
Republican
Benjamin Harrison1892
+44.3pts R vs U.S.
Place R+42.7 · U.S. D+1.7 · a third-party candidate carried the Place · modeled estimate
Runner-up · Calvin Coolidge, 1924 · +39.3 pts
Current officeholders
State legislative officeholder from OpenStates nightly current-legislator data.
Senate and governor results are in the Office selector at the top of this page.
U.S. House
Each row is a county-allocated estimate of U.S. House votes for this district — county returns apportioned onto its boundary, not precinct-counted. “Vote lead” is the estimated local lead here, not necessarily the winner of the full contest.
| Year | Vote lead | Democratic | Republican | Total |
|---|---|---|---|---|
| 2024 | D | 68.4%27,650 | 31.6%12,750 | 40,400 |
Its Democratic presidential margin was D+33.6 in 2024 and D+22.0 in 2008. In the 2024 ACS 5-year, 53.2% of adults held a bachelor's degree or higher.
Across the recorded series it reached a Democratic high of 77.7 points in 1896 and a Republican high of 64.5 points in 1924. Between 2020 and 2024 the district moved 3.5 points toward the Republican candidate; the 2024 margin was 33.6 points.
A population of 87,284, a 64% non-Hispanic-white share, and a median household income of $82,746 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 9 and State House District 49.
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 3rd State House District. Akashic. https://akashic.app/sld-lower/08003/. Accessed May 20, 2026. License: CC BY 4.0.