Roswell is a Republican stronghold. About 16% of voters here vote Democratic and 84% Republican.
About 67% of adults in Roswell typically vote, near the U.S. average of about 62%. Among adults in Roswell, ~11% vote Democratic, ~56% Republican, and ~33% don't vote. The map below shows estimated turnout by block group.
How Roswell compares
Among cities within 25 miles, Roswell leans more Republican than 20 of 21 neighbors.
Roswell runs about 32 points more Republican than Idaho as a whole.
Why Roswell leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Roswell. The lean here lands roughly where demographic data alone would predict.
Frequent mental distress and voter turnout
Places with a low frequent-mental-distress rate tend to turn out at a higher rate; Roswell, ID sits in the bottom quarter nationally on this measure. Reported mental distress does not drive turnout; it reflects economic and health conditions tied to voting.
Why turnout in Roswell looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Roswell is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Parma, ID R+62
- Adrian, OR R+68
- Wilder, ID R+55
- Homedale, ID R+56
- Greenleaf, ID R+65
- Notus, ID R+68
- Nyssa, OR R+38
- Huston, ID R+67
- Caldwell, ID R+37
- Sunnyslope, ID R+47
Cities with Similar Populations
- Palos, VA R+61
- Paoli, WI D+26
- Palestine, OH R+69
- Homer, IN R+61
- Holiday Valley, OH R+34
- Weston, PA R+38
- Pennington, TX R+71
- Silver Lake, MO R+69
- Port Haywood, VA R+46
- Jupiter, NC R+36
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.