- Lead
- 21,762
- Total
- 94,054
- vs nation
- D+24.6
Colorado 25th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 22,953
- Total
- 97,680
- vs nation
- D+19.0
- Lead
- 9,584
- Total
- 81,561
- vs nation
- D+9.7
- Lead
- 9,236
- Total
- 72,910
- vs nation
- D+8.8
- Lead
- 10,463
- Total
- 65,769
- vs nation
- D+8.6
- Lead
- 33
- Total
- 54,201
- vs nation
- D+2.5
- Lead
- 1,782
- Total
- 24,407
- vs nation
- D+6.8
- Lead
- 2,933
- Total
- 21,476
- vs nation
- D+5.1
Key facts
- 2024 presidential margin
- D+23.1MIT Election Lab
- Population
- 168,7892024 5-year
- Population density
- 3,108 / sq mi2024 5-year · TIGER/Line
- Land area
- 54.3 sq miTIGER/Line
- Median household income
- $107,6252024 5-year
- White (non-Hispanic)
- 65.2%2024 5-year
- Black
- 1.6%2024 5-year
- Hispanic / Latino
- 21.9%2024 5-year
- Peak Democratic margin
- D+39.6 in 1964MIT Election Lab
- Peak Republican margin
- R+23.1 in 1972MIT Election Lab
- Most similar
- State Senate District 17, CO · twin score 87.6
presidential history
Party record book
Colorado 25th State Senate 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
Lyndon B. Johnson1964
69.4%
8,118 votes · D+39.6 · modeled estimate
Runner-up · Woodrow Wilson, 1916 · 61.4%
Republican
Herbert Hoover1928
60.7%
944 votes · R+23.1 · modeled estimate
Runner-up · Richard Nixon, 1972 · 59.9%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
58,919votes
60.3% of the vote · D+23.5 · modeled estimate
Runner-up · Kamala Harris, 2024 · 56,600 votes
Republican
Donald Trump2020
35,966votes
36.8% of the vote · D+23.5 · modeled estimate
Runner-up · Donald Trump, 2024 · 34,838 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
Woodrow Wilson1916
+25.8pts D vs U.S.
Place D+29.0 · U.S. D+3.1 · modeled estimate
Runner-up · Kamala Harris, 2024 · +24.6 pts
Republican
Thomas E. Dewey1944
+14.9pts R vs U.S.
Place R+7.4 · U.S. D+7.5 · modeled estimate
Runner-up · Wendell Willkie, 1940 · +9.9 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 | 59.7%48,436 | 40.3%32,681 | 81,117 |
Colorado 25th State Senate District sits in the Rocky Mountain West. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 39.6 points in 1964 and a Republican high of 23.1 points in 1972. The 2024 margin was 23.1 points.
A population of 168,789, a 65% non-Hispanic-white share, and a median household income of $107,625 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 17 and State Senate District 19.
The state-senate 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 25th State Senate District. Akashic. https://akashic.app/sld-upper/08025/. Accessed May 20, 2026. License: CC BY 4.0.