Post Falls is a Republican stronghold. About 22% of voters here vote Democratic and 78% Republican.
About 73% of adults in Post Falls typically vote, above the U.S. average of about 62%. Among adults in Post Falls, ~16% vote Democratic, ~57% Republican, and ~27% don't vote. The map below shows estimated turnout by block group.
How Post Falls compares
Among cities within 25 miles, Post Falls leans more Republican than 27 of 44 neighbors.
Post Falls runs about 19 points more Republican than Idaho as a whole.
Politics vary noticeably by neighborhood within Post Falls. The southwest side is the most Republican-leaning (R+62) and the southeast side is the least Republican-leaning (R+48), a spread of about 15 points.
Why Post Falls 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 Post Falls, not a ranked or complete list of what matters most.
Post Falls votes Republican even though it is densely developed (about 73%, far above the Idaho average of 18%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Post Falls, ID sits in the top tenth nationally on this measure.
Why turnout in Post Falls looks the way it does
Turnout in Post Falls 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
- State Line, ID R+64
- McGuire, ID R+61
- Huetter, ID R+44
- Hauser, ID R+61
- Newman Lake, WA R+35
- Coeur d'Alene, ID R+31
- Rathdrum, ID R+59
- Hayden, ID R+49
- Dalton Gardens, ID R+43
- Liberty Lake, WA R+15
Cities with Similar Populations
- Georgetown, KY R+25
- Elizabethtown, KY R+25
- Thomasville, NC R+28
- Mableton, GA D+46
- North Bethesda, MD D+58
- Columbus, MS D+11
- Kalispell, MT R+33
- Tucker, GA D+36
- Lake Oswego, OR D+45
- Seguin, TX R+26
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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.