Placerville is a Republican stronghold. About 19% of voters here vote Democratic and 81% Republican.
About 74% of adults in Placerville typically vote, above the U.S. average of about 62%. Among adults in Placerville, ~14% vote Democratic, ~60% Republican, and ~26% don't vote. The map below shows estimated turnout by block group.
How Placerville compares
Among cities within 25 miles, Placerville leans more Republican than 9 of 13 neighbors.
Placerville runs about 25 points more Republican than Idaho as a whole.
Why Placerville 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 Placerville, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 2% of residents in Placerville live in densely developed areas, about 16 points below the Idaho average of 18%.
High-school completion, developed land, and voter turnout
Places that combine high-school-completion-heavy adults and a rural land-use pattern tend to turn out at a higher rate, as Placerville, ID does.
Why turnout in Placerville looks the way it does
Homeowners vote more often than renters. About 96% of households in Placerville own their home, about 16 points above the Idaho average of 79%. High high-school completion lines up with higher turnout, and about 98% of adults in Placerville have completed high school, above 93% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Pioneerville, ID R+51
- Idaho City, ID R+54
- Horseshoe Bend, ID R+60
- New Centerville, ID R+52
- Banks, ID R+55
- Crouch, ID R+41
- Garden Valley, ID R+41
- Pearl, ID R+62
- Montour, ID R+62
- Sweet, ID R+63
Cities with Similar Populations
- Plateau City, CO R+53
- New Pine Creek, CA R+57
- Maulden, KY R+75
- Museville, OH R+73
- Maxcy Quarters, FL R+60
- May, ID R+66
- Marshland, OR R+33
- Matanzas, KY R+68
- Lickingville, PA R+61
- Emigrant Gap, CA R+12
All Local Stats
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Sources and methodology
Precinct-level voting records used to fit the model come from Idaho 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.