Ucon is a Republican stronghold. About 17% of voters here vote Democratic and 83% Republican.
About 89% of adults in Ucon typically vote, above the U.S. average of about 62%. Among adults in Ucon, ~15% vote Democratic, ~74% Republican, and ~11% don't vote. The map below shows estimated turnout by block group.
How Ucon compares
Among cities within 25 miles, Ucon leans more Republican than 14 of 30 neighbors.
Ucon runs about 30 points more Republican than Idaho as a whole.
Why Ucon 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 Ucon, not a ranked or complete list of what matters most.
Ucon votes Republican even though it is densely developed (about 27%, modestly above the Idaho average of 18%). State and regional patterns outweigh the Democratic lean that density usually predicts here. A high family-household share predicts Republican voting, and about 90% of households in Ucon are family households, in the top fraction of cities.
Homeownership and voter turnout
Places with homeowner-heavy households tend to turn out at a higher rate; Ucon, ID sits in the top tenth nationally on this measure.
Why turnout in Ucon looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Ucon 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%. Homeowners vote more often than renters, and about 93% of households in Ucon own their home, about 18 points above the U.S. average of 75%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Coltman, ID R+71
- Osgood, ID R+70
- Rigby, ID R+69
- Beachs Corner, ID R+66
- Grant, ID R+65
- Iona, ID R+64
- Lewisville, ID R+75
- Milo, ID R+62
- Labelle, ID R+76
- Garfield, ID R+65
Cities with Similar Populations
- Junction, TX R+57
- Norwood, NY R+24
- Lincoln, MO R+62
- West Monroe, NY R+34
- Dennis, MA D+20
- Wagram, NC R+3
- Glade Hill, VA R+50
- Belgrade, ME D+7
- Tutwiler, MS D+55
- Los Chaves, NM R+22
All Local Stats
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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.