Parker leans slightly Republican by roughly 8 points: about 46% of voters vote Democratic and 54% Republican.
About 60% of adults in Parker typically vote, near the U.S. average of about 62%. Among adults in Parker, ~28% vote Democratic, ~32% Republican, and ~40% don't vote. The map below shows estimated turnout by block group.
How Parker compares
Among cities within 25 miles, Parker leans more Republican than 1 of 8 neighbors.
Politically, Parker sits close to the rest of Arizona.
Politics vary noticeably by neighborhood within Parker. The south side runs the most Democratic (D+13) and the northeast side runs the most Republican (R+29), a spread of about 42 points.
Why Parker 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 Parker, not a ranked or complete list of what matters most.
Parker votes Republican even though it is densely developed (about 51%, modestly above the Arizona average of 39%). State and regional patterns outweigh the Democratic lean that density usually predicts here. Low college attainment predicts Republican voting, and Parker sits in the bottom quarter (about 14%, below 80% of cities).
Cancer-screening access and voter turnout
Places with low colon-cancer-screening access tend to turn out at a lower rate; Parker, AZ sits in the bottom tenth nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Parker looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Parker is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 48%, about 6 points below the Arizona average of 54%. Renters vote less often than owners, and about 42% of households in Parker rent, compared to around 26% in nearby cities. High food insecurity lines up with lower turnout, and about 27% of adults in Parker report food insecurity, above 93% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Big River, CA R+46
- Earp, CA R+25
- Cienega Springs, AZ R+43
- Parker Dam, CA R+33
- Poston, AZ D+13
- Parker Strip, AZ R+60
- Bouse, AZ R+55
- Lake Havasu City, AZ R+36
- Quartzsite, AZ R+38
- Utting, AZ R+55
Cities with Similar Populations
- Forest Hills, PA D+47
- Oelwein, IA R+19
- Frackville, PA R+22
- Ashville, OH R+48
- Prospect Park, PA Even
- Cresaptown, MD R+24
- Sauk Centre, MN R+48
- Danielsville, GA R+73
- Nashport, OH R+53
- Centerburg, OH R+57
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.