Colorado 28th 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
89.4%
5,926 votes · D+80.3 · modeled estimate
Runner-up · Woodrow Wilson, 1916 · 74.4%
Republican
Ronald Reagan1984
61.9%
13,923 votes · R+24.9 · modeled estimate
Runner-up · Richard Nixon, 1972 · 60.5%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
40,485votes
66.8% of the vote · D+36.4 · modeled estimate
Runner-up · Kamala Harris, 2024 · 36,164 votes
Republican
Donald Trump2024
21,068votes
35.7% of the vote · D+25.6 · modeled estimate
Runner-up · Donald Trump, 2020 · 18,438 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
+86.4pts D vs U.S.
Place D+80.3 · U.S. R+6.1 · modeled estimate
Runner-up · Woodrow Wilson, 1916 · +48.5 pts
Republican
Benjamin Harrison1892
+44.4pts R vs U.S.
Place R+42.7 · U.S. D+1.7 · a third-party candidate carried the Place · modeled estimate
Runner-up · Ronald Reagan, 1980 · +9.0 pts
current representation
Current officeholders
DMike WeissmanState Senate · 28
State legislative officeholder from OpenStates nightly current-legislator data.
The district recorded a Democratic presidential margin of D+25.6 in 2024, compared with D+29.6 in 2008. About 138,000 residents lived here, with White alone at 57.4% in the 2024 ACS 5-year.
Across the recorded series it reached a Democratic high of 80.3 points in 1896 and a Republican high of 42.7 points in 1892. Between 2020 and 2024 the district moved 10.8 points toward the Republican candidate; the 2024 margin was 25.6 points.
A population of 163,272, a 31% non-Hispanic-white share, and a median household income of $83,325 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 29 and State Senate District 13.
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 28th State Senate District. Akashic. https://akashic.app/sld-upper/08028/. Accessed May 20, 2026. License: CC BY 4.0.
How did Colorado 28th State Senate District vote in 2024?
In 2024, Colorado 28th State Senate District voted Democratic by 25.6 points (D+25.6), carried by the Democratic candidate. Out of 58,991 votes cast, 36,164 went Democratic and 21,068 went Republican.
When did Colorado 28th State Senate District last vote Republican?
The most recent presidential election in which Colorado 28th State Senate District voted Republican was 1984.
How many people live in Colorado 28th State Senate District?
Colorado 28th State Senate District has a population of 163,272 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Colorado 28th State Senate District?
Median household income in Colorado 28th State Senate District is $83,325 — above the national median of $80,734. The Colorado state median is $95,470.
What is the political history of Colorado 28th State Senate District?
Akashic tracks 38 presidential elections in Colorado 28th State Senate District from 1876 to 2024. Of those, 25 went Democratic and 11 went Republican.