- Lead
- 5,625
- Total
- 48,888
- vs nation
- D+13.0
Colorado 18th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 4,469
- Total
- 51,001
- vs nation
- D+4.3
- Lead
- 970
- Total
- 46,283
- vs nation
- R+4.2
- Lead
- 664
- Total
- 42,903
- vs nation
- R+2.3
- Lead
- 1,485
- Total
- 40,484
- vs nation
- R+3.6
- Lead
- 4,597
- Total
- 34,442
- vs nation
- R+10.9
- Lead
- 3,666
- Total
- 28,489
- vs nation
- R+13.4
- Lead
- 1,597
- Total
- 25,151
- vs nation
- R+14.9
Key facts
- 2024 presidential margin
- D+11.5MIT Election Lab
- Population
- 87,0982024 5-year
- Population density
- 479 / sq mi2024 5-year · TIGER/Line
- Land area
- 182 sq miTIGER/Line
- Median household income
- $77,9992024 5-year
- White (non-Hispanic)
- 74.3%2024 5-year
- Black
- 3.4%2024 5-year
- Hispanic / Latino
- 12.9%2024 5-year
- Peak Democratic margin
- D+64.8 in 1896MIT Election Lab
- Peak Republican margin
- R+43.2 in 1892MIT Election Lab
- Most similar
- State House District 16, CO · twin score 92.2
presidential history
Party record book
Colorado 18th State House 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
81.2%
3,365 votes · D+64.8 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1936 · 68.9%
Republican
Herbert Hoover1928
66.0%
1,860 votes · R+33.0 · modeled estimate
Runner-up · Ronald Reagan, 1984 · 65.7%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
26,935votes
52.8% of the vote · D+8.8 · modeled estimate
Runner-up · Kamala Harris, 2024 · 26,587 votes
Republican
Donald Trump2020
22,466votes
44.1% of the vote · D+8.8 · modeled estimate
Runner-up · Donald Trump, 2016 · 21,497 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
+70.9pts D vs U.S.
Place D+64.8 · U.S. R+6.1 · modeled estimate
Runner-up · Woodrow Wilson, 1916 · +30.8 pts
Republican
Benjamin Harrison1892
+44.9pts R vs U.S.
Place R+43.2 · U.S. D+1.7 · a third-party candidate carried the Place · modeled estimate
Runner-up · Herbert Hoover, 1928 · +15.6 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 | R | 42.5%17,476 | 57.5%23,679 | 41,155 |
| 2020 | R | 40.2%16,576 | 59.8%24,696 | 41,272 |
Colorado 18th State House District sits in the Rocky Mountain West. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 64.8 points in 1896 and a Republican high of 43.2 points in 1892. Between 2020 and 2024 the district moved 2.7 points toward the Democratic candidate; the 2024 margin was 11.5 points.
A population of 87,098, a 74% non-Hispanic-white share, and a median household income of $77,999 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 16 and State House District 38.
The state-house 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 18th State House District. Akashic. https://akashic.app/sld-lower/08018/. Accessed May 20, 2026. License: CC BY 4.0.