Latah County is a true toss-up. About 48% of voters here vote Democratic and 52% Republican.
About 70% of adults in Latah County typically vote, above the U.S. average of about 62%. Among adults in Latah County, ~34% vote Democratic, ~36% Republican, and ~30% don't vote. The map below shows estimated turnout by block group.
How Latah County compares
Among counties within 50 miles, Latah County leans more Republican than 1 of 7 neighbors.
Latah County runs about 33 points more Democratic than Idaho as a whole.
Politics vary noticeably by city within Latah County. The west side runs the most Democratic (D+18) and the southeast side runs the most Republican (R+59), a spread of about 77 points.
Why Latah County leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Latah County. The lean here lands roughly where demographic data alone would predict.
High-school completion and voter turnout
Places with high-school-completion-heavy adults tend to turn out at a higher rate; Latah County, ID sits in the top tenth nationally on this measure.
Why turnout in Latah County looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Latah County is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 67%, about 7 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 96% of adults in Latah County have completed high school, above 97% of counties. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Whitman County, WA D+16
- Nez Perce County, ID R+35
- Asotin County, WA R+29
- Garfield County, WA R+58
- Benewah County, ID R+60
- Clearwater County, ID R+64
- Lewis County, ID R+60
- Columbia County, WA R+51
- Idaho County, ID R+64
- Shoshone County, ID R+43
Counties with Similar Populations
- Waldo County, ME R+7
- Hendry County, FL R+26
- Okeechobee County, FL R+46
- Harrison County, IN R+50
- Avoyelles Parish, LA R+37
- Mecosta County, MI R+26
- Snyder County, PA R+50
- Howell County, MO R+62
- Sequoyah County, OK R+58
- Campbell County, TN R+65
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.