- Lead
- 32,267
- Total
- 55,463
- vs nation
- D+59.6
Colorado 12th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 33,751
- Total
- 58,475
- vs nation
- D+53.3
- Lead
- 24,874
- Total
- 52,067
- vs nation
- D+45.7
- Lead
- 20,406
- Total
- 49,793
- vs nation
- D+37.1
- Lead
- 21,618
- Total
- 47,532
- vs nation
- D+38.2
- Lead
- 14,615
- Total
- 44,180
- vs nation
- D+35.5
- Lead
- 5,007
- Total
- 38,669
- vs nation
- D+12.4
- Lead
- 5,685
- Total
- 33,650
- vs nation
- D+8.4
Key facts
- 2024 presidential margin
- D+58.2MIT Election Lab
- Population
- 86,4182024 5-year
- Population density
- 1,136 / sq mi2024 5-year · TIGER/Line
- Land area
- 76.1 sq miTIGER/Line
- Median household income
- $137,7272024 5-year
- White (non-Hispanic)
- 76.5%2024 5-year
- Black
- 0.8%2024 5-year
- Hispanic / Latino
- 11.6%2024 5-year
- Peak Democratic margin
- D+67.7 in 1896MIT Election Lab
- Peak Republican margin
- R+37.8 in 1892MIT Election Lab
- Most similar
- State House District 2, CO · twin score 96.3
presidential history
Party record book
Colorado 12th 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
82.0%
1,668 votes · D+67.7 · modeled estimate
Runner-up · Joe Biden, 2020 · 77.9%
Republican
Herbert Hoover1928
67.6%
2,644 votes · R+36.7 · modeled estimate
Runner-up · Dwight D. Eisenhower, 1956 · 67.3%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
45,547votes
77.9% of the vote · D+57.7 · modeled estimate
Runner-up · Kamala Harris, 2024 · 43,165 votes
Republican
Ronald Reagan1984
15,067votes
55.6% of the vote · R+12.6 · modeled estimate
Runner-up · George W. Bush, 2004 · 14,510 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
+73.7pts D vs U.S.
Place D+67.7 · U.S. R+6.1 · modeled estimate
Runner-up · Kamala Harris, 2024 · +59.6 pts
Republican
Benjamin Harrison1892
+39.5pts R vs U.S.
Place R+37.8 · U.S. D+1.7 · a third-party candidate carried the Place · modeled estimate
Runner-up · Richard Nixon, 1960 · +23.9 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 | 78.6%38,292 | 21.4%10,414 | 48,706 |
| 2020 | D | 76.7%39,418 | 23.3%12,002 | 51,420 |
With a 2024 presidential margin of D+58.1, this district ranks among the most reliably left-leaning legislative constituencies in Colorado, reflecting a dense, urban electorate where statewide contests are rarely competitive.
Across the recorded series it reached a Democratic high of 67.7 points in 1896 and a Republican high of 37.8 points in 1892. The 2024 margin was 58.2 points.
A population of 86,418, a 77% non-Hispanic-white share, and a median household income of $137,727 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 2 and State House District 1.
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 12th State House District. Akashic. https://akashic.app/sld-lower/08012/. Accessed May 20, 2026. License: CC BY 4.0.