Lincoln County is a Republican stronghold. About 19% of voters here vote Democratic and 81% Republican.
About 47% of adults in Lincoln County typically vote, below the U.S. average of about 62%. Among adults in Lincoln County, ~9% vote Democratic, ~38% Republican, and ~53% don't vote. The map below shows estimated turnout by block group.
How Lincoln County compares
Among counties within 50 miles, Lincoln County leans more Republican than 6 of 7 neighbors.
Lincoln County runs about 27 points more Republican than Idaho as a whole.
Politics vary noticeably by city within Lincoln County. The northeast side is the most Republican-leaning (R+72) and the west side is the least Republican-leaning (R+57), a spread of about 15 points.
Why Lincoln County leans the way it does
This analysis examined 14,881 data points per county to find what predicts political lean and turnout. The items below are a few correlations that stood out for Lincoln County, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 11% of adults in Lincoln County hold a bachelor's degree, about 15 points below the Idaho average of 26%. Rural areas vote Republican, and Lincoln County sits in the bottom quarter on density (about 3%, below 97% of counties). A high family-household share predicts Republican voting, and about 72% of households in Lincoln County are family households, above 87% of counties.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; Lincoln County, ID sits in the bottom quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Lincoln County looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Lincoln County is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Low high-school completion lines up with lower turnout, and about 84% of adults in Lincoln County have completed high school, below 83% of counties. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Jerome County, ID R+48
- Gooding County, ID R+54
- Twin Falls County, ID R+45
- Camas County, ID R+72
- Blaine County, ID D+21
- Minidoka County, ID R+58
- Cassia County, ID R+63
- Elmore County, ID R+42
- Butte County, ID R+75
- Power County, ID R+46
Counties with Similar Populations
- Sheridan County, NE R+68
- Crosby County, TX R+50
- Hamilton County, NY R+26
- Scott County, KS R+67
- Big Stone County, MN R+33
- Garfield County, UT R+63
- Kingsbury County, SD R+50
- Pulaski County, IL R+26
- Wirt County, WV R+65
- Carter County, MO R+71
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.