- Lead
- 2,883
- Total
- 113,589
- vs nation
- D+4.0
Colorado 30th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 1,619
- Total
- 109,878
- vs nation
- R+3.0
- Lead
- 9,234
- Total
- 91,097
- vs nation
- R+12.2
- Lead
- 14,177
- Total
- 81,505
- vs nation
- R+21.2
- Lead
- 6,306
- Total
- 74,225
- vs nation
- R+15.8
- Lead
- 15,010
- Total
- 58,342
- vs nation
- R+23.3
- Lead
- 10,627
- Total
- 41,419
- vs nation
- R+26.2
- Lead
- 5,709
- Total
- 24,972
- vs nation
- R+31.4
Key facts
- 2024 presidential margin
- D+2.5MIT Election Lab
- Population
- 168,4432024 5-year
- Population density
- 1,413 / sq mi2024 5-year · TIGER/Line
- Land area
- 119 sq miTIGER/Line
- Median household income
- $154,2392024 5-year
- White (non-Hispanic)
- 76.5%2024 5-year
- Black
- 1.2%2024 5-year
- Hispanic / Latino
- 8.8%2024 5-year
- Peak Democratic margin
- D+75.7 in 1896MIT Election Lab
- Peak Republican margin
- R+55.2 in 1892MIT Election Lab
- Most similar
- State Senate District 35, KS · twin score 93.9
presidential history
Party record book
Colorado 30th 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
87.3%
641 votes · D+75.7 · modeled estimate
Runner-up · Woodrow Wilson, 1916 · 61.7%
Republican
Ronald Reagan1984
75.9%
5,557 votes · R+53.2 · modeled estimate
Runner-up · Richard Nixon, 1972 · 69.9%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Kamala Harris2024
56,883votes
50.1% of the vote · D+2.5 · modeled estimate
Runner-up · Joe Biden, 2020 · 54,519 votes
Republican
Donald Trump2024
54,000votes
47.5% of the vote · D+2.5 · modeled estimate
Runner-up · Donald Trump, 2020 · 52,900 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
+81.8pts D vs U.S.
Place D+75.7 · U.S. R+6.1 · modeled estimate
Runner-up · Woodrow Wilson, 1916 · +21.2 pts
Republican
Benjamin Harrison1892
+56.8pts R vs U.S.
Place R+55.2 · U.S. D+1.7 · modeled estimate
Runner-up · Ronald Reagan, 1984 · +35.0 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.
Anchored in Denver's urban core, this district posted a 2.5-point Democratic presidential margin in 2024, making it among the most reliably blue state senate seats in Colorado's legislative map.
Across the recorded series it reached a Democratic high of 75.7 points in 1896 and a Republican high of 55.2 points in 1892. Between 2020 and 2024 the district moved 1.1 points toward the Democratic candidate; the 2024 margin was 2.5 points.
A population of 168,443, a 77% non-Hispanic-white share, and a median household income of $154,239 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 35 and State Senate District 2.
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 30th State Senate District. Akashic. https://akashic.app/sld-upper/08030/. Accessed May 20, 2026. License: CC BY 4.0.