Sunnyside is a Democratic stronghold. About 83% of voters here vote Democratic and 17% Republican.
About 74% of adults in Sunnyside typically vote, above the U.S. average of about 62%. Among adults in Sunnyside, ~62% vote Democratic, ~12% Republican, and ~26% don't vote. The map below shows estimated turnout by block group.
How Sunnyside compares
Among neighborhoods within 5 miles, Sunnyside leans more Democratic than 30 of 39 neighbors.
Sunnyside runs about 55 points more Democratic than Colorado as a whole.
Why Sunnyside leans the way it does
This analysis examined 14,881 data points per neighborhood to find what predicts political lean and turnout. The items below are a few correlations that stood out for Sunnyside, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in Sunnyside live in densely developed areas, about 64 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Sunnyside sits in the top quarter (about 62%, above 83% of neighborhoods).
Developed land and Democratic lean
Places with a heavily developed built environment tend to lean Democratic; Sunnyside, Denver, CO sits in the top quarter nationally on this measure. Developed land does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Sunnyside looks the way it does
Turnout in Sunnyside sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Highland, Denver, CO D+59
- Northwestern Denver, Denver, CO D+48
- Chaffee Park, Denver, CO D+50
- Berkeley, Denver, CO D+64
- Globeville, Denver, CO D+51
- West Highland, Denver, CO D+65
- Jefferson Park, Denver, CO D+57
- Regis, Denver, CO D+54
- Lodo, Denver, CO D+55
- Five Points, Denver, CO D+59
Neighborhoods with Similar Populations
- Guajome, Oceanside, CA Even
- North Tampa, Tampa, FL D+38
- Fairway Park, Hayward, CA D+36
- Talmadge, San Diego, CA D+48
- Greenhaven, Sacramento, CA D+40
- oakwood, Dayton, OH D+33
- Temple Crest, Tampa, FL D+48
- Liberty Area, Lexington, KY D+18
- East San Gabriel, San Gabriel, CA D+20
- Montrose Verdugo City, La Crescenta, CA D+12
Sources and methodology
Precinct-level voting records used to fit the model come from Colorado Secretary of State, Elections, distributed by the Voting and Election Science Team. Demographic inputs come from the U.S. Census Bureau (ACS 5-year estimates and the 2020 Decennial Census). Health and environmental inputs come from the CDC (PLACES and the Environmental Justice Index). Land cover comes from the USGS and EPA. Election-day and lead-up weather come from PRISM 4km daily grids and the NOAA Global Historical Climatology Network. Mail-voting and election-administration patterns come from the MIT Election Lab's Survey of the Performance of American Elections. Block-group crime detail comes from CrimeGrade. Internet data and modeling support provided by ISPreports.org.
Modeling and analysis by the BestNeighborhood data science team. Full methodology and findings: political spectrum map.
Methodology reviewed by the BestNeighborhood data team. Last updated May 2026.