Aurora leans Democratic by roughly 24 points: about 62% of voters vote Democratic and 38% Republican.
About 61% of adults in Aurora typically vote, near the U.S. average of about 62%. Among adults in Aurora, ~38% vote Democratic, ~23% Republican, and ~39% don't vote. The map below shows estimated turnout by block group.
How Aurora compares
Among cities within 25 miles, Aurora leans more Democratic than 52 of 59 neighbors.
Aurora runs about 13 points more Democratic than Colorado as a whole.
Politics vary noticeably by neighborhood within Aurora. The northwest side is the most Democratic-leaning (D+36) and the southeast side is the least Democratic-leaning (D+8), a spread of about 29 points.
Why Aurora leans the way it does
This analysis examined 14,881 data points per city to find what predicts political lean and turnout. The items below are a few correlations that stood out for Aurora, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 93% of residents in Aurora live in densely developed areas, about 57 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Aurora sits in the top quarter (about 35%, above 81% of cities). A high never-married share predicts Democratic voting, and about 36% of adults in Aurora have never been married, above 89% of cities.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; Aurora, CO sits in the top tenth nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in Aurora looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Aurora is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Renters vote less often than owners, and about 34% of households in Aurora rent, above 90% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Foxfield, CO R+10
- Centennial, CO D+16
- Greenwood Village, CO D+19
- Glendale, CO D+43
- Englewood, CO D+27
- Cherry Hills Village, CO Even
- Denver, CO D+23
- Meridian, CO D+19
- Stonegate, CO R+4
- Watkins, CO R+27
Cities with Similar Populations
- Oakland, CA D+68
- Long Beach, CA D+40
- Springfield, MA D+14
- Arlington, TX D+13
- Staten Island, NY R+21
- Katy, TX R+4
- Anaheim, CA D+11
- Mesa, AZ R+7
- Lexington, KY D+24
- Henderson, NV Even
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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.