Northwest Arvada, Arvada, CO Political Map | Democrat & Republican Areas in Northwest Arvada

By the BestNeighborhood data science team. Last updated May 2026.

Northwest Arvada leans Democratic by roughly 16 points: about 58% of voters vote Democratic and 42% Republican.

 

About 90% of adults in Northwest Arvada typically vote, above the U.S. average of about 62%. Among adults in Northwest Arvada, ~52% vote Democratic, ~38% Republican, and ~10% don't vote. The map below shows estimated turnout by block group.

How Northwest Arvada compares

Among neighborhoods within 5 miles, Northwest Arvada leans more Democratic than 2 of 13 neighbors.

Northwest Arvada runs about 5 points more Democratic than Colorado as a whole.

Why Northwest Arvada leans the way it does

Density, race composition, education, and family structure all sit close to their national averages in Northwest Arvada. The lean here lands roughly where demographic data alone would predict.

Preventive-care access and voter turnout

Places with strong routine preventive-care access tend to turn out at a higher rate; Northwest Arvada, Arvada, CO sits in the top quarter nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.

Why turnout in Northwest Arvada looks the way it does

Areas with strong routine healthcare access turn out at higher rates. Northwest Arvada 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 69%, about 9 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.

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.