Colorado 10th State Senate 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
67.9%
4,102 votes · D+39.5 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1936 · 53.5%
Republican
Ronald Reagan1984
76.4%
22,512 votes · R+54.1 · modeled estimate
Runner-up · Herbert Hoover, 1928 · 75.7%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Kamala Harris2024
40,662votes
43.9% of the vote · R+9.4 · modeled estimate
Runner-up · Joe Biden, 2020 · 39,276 votes
Republican
Donald Trump2020
50,211votes
53.9% of the vote · R+11.7 · modeled estimate
Runner-up · Donald Trump, 2024 · 49,363 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
+45.6pts D vs U.S.
Place D+39.5 · U.S. R+6.1 · modeled estimate
Runner-up · Woodrow Wilson, 1916 · −2.2 pts
Republican
Benjamin Harrison1892
+47.8pts R vs U.S.
Place R+46.2 · U.S. D+1.7 · a third-party candidate carried the Place · modeled estimate
Runner-up · Bob Dole, 1996 · +39.0 pts
current representation
Current officeholders
RLarry ListonState Senate · 10
State legislative officeholder from OpenStates nightly current-legislator data.
U.S. House elections · 2 House
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.
Source · Akashic county-allocated estimate from certified county returns, House; not precinct-counted.
Year
Vote lead
Democratic
Republican
Total
2024
R
42.5%33,773
57.5%45,752
79,525
2020
R
40.2%32,033
59.8%47,718
79,751
Colorado 10th State Senate District sits in the Rocky Mountain West. In 2024 it voted Republican.
Across the recorded series it reached a Democratic high of 39.5 points in 1896 and a Republican high of 54.1 points in 1984. Between 2020 and 2024 the district moved 2.4 points toward the Democratic candidate; the 2024 margin was 9.4 points.
A population of 168,317, a 68% non-Hispanic-white share, and a median household income of $91,930 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 9 and State Senate District 33.
Akashic
Political twins — state-senate districts
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.
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 10th State Senate District. Akashic. https://akashic.app/sld-upper/08010/. Accessed May 20, 2026. License: CC BY 4.0.
How did Colorado 10th State Senate District vote in 2024?
In 2024, Colorado 10th State Senate District voted Republican by 9.4 points (R+9.4), carried by the Republican candidate. Out of 92,619 votes cast, 40,662 went Democratic and 49,363 went Republican.
When did Colorado 10th State Senate District last vote Democratic?
The most recent presidential election in which Colorado 10th State Senate District voted Democratic was 1964.
How many people live in Colorado 10th State Senate District?
Colorado 10th State Senate District has a population of 168,317 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Colorado 10th State Senate District?
Median household income in Colorado 10th State Senate District is $91,930 — above the national median of $80,734. The Colorado state median is $95,470.
What is the political history of Colorado 10th State Senate District?
Akashic tracks 38 presidential elections in Colorado 10th State Senate District from 1876 to 2024. Of those, 4 went Democratic and 31 went Republican.