King Hill is a Republican stronghold. About 22% of voters here vote Democratic and 78% Republican.
About 60% of adults in King Hill typically vote, near the U.S. average of about 62%. Among adults in King Hill, ~13% vote Democratic, ~47% Republican, and ~40% don't vote. The map below shows estimated turnout by block group.
How King Hill compares
Among cities within 25 miles, King Hill leans more Republican than 1 of 7 neighbors.
King Hill runs about 20 points more Republican than Idaho as a whole.
Why King Hill 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 King Hill, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 1% of residents in King Hill live in densely developed areas, about 17 points below the Idaho average of 18%. A high family-household share predicts Republican voting, and about 79% of households in King Hill are family households, above 87% of cities.
Population density and Republican lean
Places with low population density tend to lean Republican; King Hill, ID sits in the bottom tenth nationally on this measure.
Why turnout in King Hill looks the way it does
Areas with limited routine healthcare access turn out at lower rates. King Hill is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. High-crime urban areas turn out at lower rates, and King Hill sits in the top 15% on a violent-crime measure. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Glenns Ferry, ID R+58
- Bliss, ID R+68
- Hammett, ID R+62
- Hagerman, ID R+63
- Tuttle, ID R+65
- Hill City, ID R+65
- Gooding, ID R+51
- Mountain Home, ID R+44
- Wendell, ID R+53
Cities with Similar Populations
- Bartlett, KS R+72
- Derby, IA R+52
- Melbeta, NE R+73
- Richmond, RI R+8
- Harris, TN R+65
- Highland Lake, AL R+85
- Sumner, OK R+63
- Holbrook, NE R+75
- Mattoon, KY R+72
- Falcon, MO R+72
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.