Parker Dam leans heavily Republican by roughly 34 points: about 33% of voters vote Democratic and 67% Republican.
About 46% of adults in Parker Dam typically vote, below the U.S. average of about 62%. Among adults in Parker Dam, ~15% vote Democratic, ~31% Republican, and ~54% don't vote. The map below shows estimated turnout by block group.
How Parker Dam compares
Among cities within 25 miles, Parker Dam leans more Republican than 3 of 8 neighbors.
Parker Dam runs about 53 points more Republican than California as a whole. California leans Democratic overall, while Parker Dam is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Parker Dam. The southwest side is the most Republican-leaning (R+46) and the north side is the least Republican-leaning (R+17), a spread of about 28 points.
Why Parker Dam 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 Dam, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 4% of residents in Parker Dam live in densely developed areas, about 53 points below the California average of 58%. Low college attainment predicts Republican voting, and Parker Dam sits in the bottom quarter (about 12%, below 87% of cities). Parker Dam runs against the grain of California, a Republican-leaning pocket in a Democratic-leaning state.
Developed land and Republican lean
Places with a rural land-use pattern tend to lean Republican; Parker Dam, CA sits in the bottom quarter nationally on this measure. Developed land does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Parker Dam looks the way it does
Areas with high food insecurity turn out at lower rates. About 20% of adults in Parker Dam report food insecurity, above 82% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Cienega Springs, AZ R+43
- Parker Strip, AZ R+60
- Parker, AZ R+7
- Big River, CA R+46
- Earp, CA R+25
- Lake Havasu City, AZ R+36
- Poston, AZ D+13
- Bouse, AZ R+55
- Utting, AZ R+55
- Quartzsite, AZ R+38
Cities with Similar Populations
- Jericho, AL R+46
- Milo, OK R+37
- Pineville, PA R+54
- Counts Crossroads, KY R+61
- Justiceburg, TX R+77
- Galesburg, ND R+39
- Fruit Hill, KY R+67
- Santo Tomas, NM R+4
- Waverly Woods, IN R+56
- Lowden, WA R+55
Sources and methodology
Precinct-level voting records used to fit the model come from California 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.