Colburn leans heavily Republican by roughly 36 points: about 32% of voters vote Democratic and 68% Republican.
About 57% of adults in Colburn typically vote, near the U.S. average of about 62%. Among adults in Colburn, ~18% vote Democratic, ~39% Republican, and ~43% don't vote. The map below shows estimated turnout by block group.
How Colburn compares
Among cities within 25 miles, Colburn leans more Republican than 5 of 26 neighbors.
Politically, Colburn sits close to the rest of Idaho.
Politics vary noticeably by neighborhood within Colburn. The southwest side is the most Republican-leaning (R+53) and the east side is the least Republican-leaning (R+31), a spread of about 21 points.
Why Colburn 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 Colburn, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 2% of residents in Colburn live in densely developed areas, about 16 points below the Idaho average of 18%.
Population density and Republican lean
Places with low population density tend to lean Republican; Colburn, ID sits in the bottom quarter nationally on this measure.
Why turnout in Colburn looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Colburn 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 69%, about 9 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Sandpoint, ID R+29
- Dover, ID R+21
- Ponderay, ID R+38
- Kootenai, ID R+44
- Glengary, ID R+52
- Sagle, ID R+50
- Selle, ID R+50
- Culver, ID R+49
- Laclede, ID R+53
Cities with Similar Populations
- Lake Pines, DE R+51
- Odell, NE R+59
- Steamburg, NY Even
- Millgrove, MI R+35
- Stephensport, KY R+62
- Opine, AL R+88
- Huntington, OR R+59
- Hector, KY R+78
- Heilwood, PA R+60
- Round Prairie, MN R+63
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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.