- Lead
- 15,096
- Total
- 58,991
- vs nation
- D+27.1
Colorado 28th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 22,047
- Total
- 60,633
- vs nation
- D+31.9
- Lead
- 13,837
- Total
- 49,889
- vs nation
- D+25.6
- Lead
- 12,745
- Total
- 46,608
- vs nation
- D+23.5
- Lead
- 12,902
- Total
- 43,599
- vs nation
- D+22.3
- Lead
- 5,171
- Total
- 36,646
- vs nation
- D+16.6
- Lead
- 3,216
- Total
- 29,686
- vs nation
- D+10.3
- Lead
- 2,845
- Total
- 25,835
- vs nation
- D+2.5
Key facts
- 2024 presidential margin
- D+25.6MIT Election Lab
- Population
- 163,2722024 5-year
- Population density
- 720 / sq mi2024 5-year · TIGER/Line
- Land area
- 227 sq miTIGER/Line
- Median household income
- $83,3252024 5-year
- White (non-Hispanic)
- 31.0%2024 5-year
- Black
- 16.0%2024 5-year
- Hispanic / Latino
- 41.0%2024 5-year
- Peak Democratic margin
- D+80.3 in 1896MIT Election Lab
- Peak Republican margin
- R+42.7 in 1892MIT Election Lab
- Most similar
- State Senate District 29, CO · twin score 93.2
presidential history
Party record book
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 officeholders
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.
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 28th State Senate District. Akashic. https://akashic.app/sld-upper/08028/. Accessed May 20, 2026. License: CC BY 4.0.