Chesterfield is a Republican stronghold. About 13% of voters here vote Democratic and 87% Republican.
About 63% of adults in Chesterfield typically vote, near the U.S. average of about 62%. Among adults in Chesterfield, ~8% vote Democratic, ~55% Republican, and ~37% don't vote. The map below shows estimated turnout by block group.
How Chesterfield compares
Among cities within 25 miles, Chesterfield leans more Republican than 10 of 12 neighbors.
Chesterfield runs about 38 points more Republican than Idaho as a whole.
Why Chesterfield 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 Chesterfield, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 77% of households in Chesterfield are family households, about 11 points above the U.S. average of 67%. Rural areas vote Republican, and Chesterfield sits in the bottom quarter on density (about 2%, below 96% of cities).
Population density, never-married share, and Republican lean
Places that combine low population density and a never-married-heavy adult population tend to lean Republican, as Chesterfield, ID does.
Why turnout in Chesterfield looks the way it does
Areas with high high-school completion turn out at higher rates. About 96% of adults in Chesterfield have completed high school, about 5 points above the Idaho average of 91%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Bancroft, ID R+74
- Lund, ID R+67
- Inkom, ID R+50
- Lava Hot Springs, ID R+60
- Turner, ID R+76
- McCammon, ID R+64
- Portneuf, ID R+45
- Tyhee, ID R+27
- Soda Springs, ID R+72
Cities with Similar Populations
- Tuckertown, RI D+12
- Linch, WY R+80
- South Spring Acres, NM R+73
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.