Twin Groves is a Republican stronghold. About 17% of voters here vote Democratic and 83% Republican.
About 88% of adults in Twin Groves typically vote, above the U.S. average of about 62%. Among adults in Twin Groves, ~15% vote Democratic, ~73% Republican, and ~12% don't vote. The map below shows estimated turnout by block group.
How Twin Groves compares
Among cities within 25 miles, Twin Groves leans more Republican than 11 of 24 neighbors.
Twin Groves runs about 31 points more Republican than Idaho as a whole.
Why Twin Groves 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 Twin Groves, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 81% of households in Twin Groves are family households, about 14 points above the U.S. average of 67%.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Twin Groves, ID sits above the national average on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in Twin Groves looks the way it does
Turnout in Twin Groves sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- St. Anthony, ID R+66
- Chester, ID R+71
- Wilford, ID R+72
- Parker, ID R+76
- Teton, ID R+69
- Newdale, ID R+64
- Heman, ID R+74
- Salem, ID R+63
- Sugar City, ID R+59
- Ashton, ID R+66
Cities with Similar Populations
- Beaumont, VA R+30
- Galesville, MD R+8
- Platte Center, NE R+69
- Pittsville, VA R+43
- Alta Vista, IA R+46
- Echo, WV R+67
- Jerry City, OH R+50
- Elmwood Heights, WV R+50
- Mettawa, IL D+19
- Walmsley, VA R+18
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.