- Lead
- 48,798
- Total
- 84,308
- vs nation
- D+59.4
Colorado 34th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 58,300
- Total
- 88,916
- vs nation
- D+61.1
- Lead
- 42,572
- Total
- 69,850
- vs nation
- D+58.9
- Lead
- 35,711
- Total
- 63,039
- vs nation
- D+52.8
- Lead
- 33,922
- Total
- 56,747
- vs nation
- D+52.5
- Lead
- 24,079
- Total
- 49,311
- vs nation
- D+51.3
- Lead
- 16,009
- Total
- 40,886
- vs nation
- D+38.6
- Lead
- 15,896
- Total
- 40,370
- vs nation
- D+30.9
Key facts
- 2024 presidential margin
- D+57.9MIT Election Lab
- Population
- 166,9472024 5-year
- Population density
- 6,421 / sq mi2024 5-year · TIGER/Line
- Land area
- 26 sq miTIGER/Line
- Median household income
- $98,5262024 5-year
- White (non-Hispanic)
- 50.3%2024 5-year
- Black
- 3.8%2024 5-year
- Hispanic / Latino
- 38.8%2024 5-year
- Peak Democratic margin
- D+65.6 in 2020MIT Election Lab
- Peak Republican margin
- R+41.1 in 1924MIT Election Lab
- Most similar
- State Senate District 33, CO · twin score 96.6
presidential history
Party record book
Colorado 34th State Senate District · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1904–2024 · 31 presidential cycles
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
Joe Biden2020
81.5%
72,482 votes · D+65.6 · modeled estimate
Runner-up · Barack Obama, 2008 · 78.9%
Republican
Calvin Coolidge1924
61.2%
10,480 votes · R+41.1 · modeled estimate
Runner-up · Herbert Hoover, 1928 · 58.3%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
72,482votes
81.5% of the vote · D+65.6 · modeled estimate
Runner-up · Kamala Harris, 2024 · 65,354 votes
Republican
Richard Nixon1972
21,391votes
48.2% of the vote · D+0.1 · modeled estimate
Runner-up · Dwight D. Eisenhower, 1956 · 21,350 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
Joe Biden2020
+61.1pts D vs U.S.
Place D+65.6 · U.S. D+4.5 · modeled estimate
Runner-up · Kamala Harris, 2024 · +59.4 pts
Republican
Calvin Coolidge1924
+16.0pts R vs U.S.
Place R+41.1 · U.S. R+25.2 · modeled estimate
Runner-up · Herbert Hoover, 1928 · −0.1 pts
Current officeholders
State legislative officeholder from OpenStates nightly current-legislator data.
The district recorded a Democratic presidential margin of D+57.9 in 2024, compared with D+59.8 in 2008. In the 2024 ACS 5-year, 56.5% of adults held a bachelor's degree or higher.
Across the recorded series it reached a Democratic high of 65.6 points in 2020 and a Republican high of 41.1 points in 1924. Between 2020 and 2024 the district moved 7.7 points toward the Republican candidate; the 2024 margin was 57.9 points.
A population of 166,947, a 50% non-Hispanic-white share, and a median household income of $98,526 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 33 and State Senate District 32.
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 34th State Senate District. Akashic. https://akashic.app/sld-upper/08034/. Accessed May 20, 2026. License: CC BY 4.0.