Grand Canyon, AZ Political Map | Democrat & Republican Areas in Grand Canyon

Grand Canyon leans Republican by roughly 30 points: about 35% of voters vote Democratic and 65% Republican.

 
Grand Canyon, AZ block-group political-lean map
Click the map to explore
D+100 D+50 Even R+50 R+100
More liberal More conservative

About 47% of adults in Grand Canyon typically vote, below the U.S. average of about 62%. Among adults in Grand Canyon, ~16% vote Democratic, ~31% Republican, and ~53% don't vote. The map below shows estimated turnout by block group.

Grand Canyon, AZ block-group voter-turnout map
Click the map to explore
0% 50% 100%
Lower turnout Higher turnout
Colorblind friendly off

How Grand Canyon compares

Among cities within 25 miles, Grand Canyon is the most Republican-leaning.

Grand Canyon runs about 24 points more Republican than Arizona as a whole.

Politics vary noticeably by neighborhood within Grand Canyon. The southwest side is the most Republican-leaning (R+31) and the northeast side is the least Republican-leaning (R+8), a spread of about 23 points.

Why Grand Canyon 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 Grand Canyon, not a ranked or complete list of what matters most.

Rural areas vote Republican. Fewer than 1% of residents in Grand Canyon live in densely developed areas, about 38 points below the Arizona average of 39%.

Paved land cover and Republican lean

Places with little paved surface tend to lean Republican; Grand Canyon, AZ sits in the bottom 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 Grand Canyon looks the way it does

Crowded housing lines up with lower turnout. About 10% of homes in Grand Canyon have more than one occupant per room, above 97% of cities. Learn more about the findings and methodology on the political spectrum map.

Cities with Similar Populations

Sources and methodology

Precinct-level voting records used to fit the model come from Arizona 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.