Ralston Valley leans slightly Democratic by roughly 6 points: about 53% of voters vote Democratic and 47% Republican.
About 97% of adults in Ralston Valley typically vote, above the U.S. average of about 62%. Among adults in Ralston Valley, ~51% vote Democratic, ~46% Republican, and ~3% don't vote. The map below shows estimated turnout by block group.
How Ralston Valley compares
Among neighborhoods within 5 miles, Ralston Valley is the least Democratic-leaning.
Ralston Valley runs about 5 points more Republican than Colorado as a whole.
Politics vary noticeably by block within Ralston Valley. The northwest side is the most Democratic-leaning (D+17) and the north side is the least Democratic-leaning (D+2), a spread of about 15 points.
Why Ralston Valley leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Ralston Valley. The lean here lands roughly where demographic data alone would predict.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; Ralston Valley, Arvada, CO sits in the top quarter nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Ralston Valley looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Ralston Valley is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 74%, about 14 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 93% of households in Ralston Valley own their home, compared to around 67% in nearby neighborhoods. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Northwest Arvada, Arvada, CO D+16
- Allendale Area, Arvada, CO D+19
- West Woods, Golden, CO D+17
- Arvada Plaza Area, Arvada, CO D+28
- Fruitdale, Wheat Ridge, CO D+25
- Scenic Heights, Arvada, CO D+19
- Lamar Heights Area, Arvada, CO D+20
- Kings Mill, Broomfield, CO D+24
- Bel Aire, Wheat Ridge, CO D+23
- Applewood, Lakewood, CO D+26
Neighborhoods with Similar Populations
- 40th and A, Lincoln, NE D+28
- East Side, Pueblo, CO D+19
- Fort Howard, Green Bay, WI D+12
- Ben Ali, Sacramento, CA D+22
- Brookhaven, Norman, OK Even
- Epes, Newport News, VA D+61
- Thurston, Ann Arbor, MI D+66
- Sherwood Forest, Jacksonville, FL D+78
- Mott Section, Garden City, NY D+4
- Stanwood Park, South Portland, ME D+44
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.