Southeast Boise, Boise, ID Political Map | Democrat & Republican Areas in Southeast Boise

Southeast Boise leans Democratic by roughly 18 points: about 59% of voters vote Democratic and 41% Republican.

 
Southeast Boise, Boise, ID block-group political-lean map
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About 68% of adults in Southeast Boise typically vote, above the U.S. average of about 62%. Among adults in Southeast Boise, ~40% vote Democratic, ~28% Republican, and ~32% don't vote. The map below shows estimated turnout by block group.

Southeast Boise, Boise, ID block-group voter-turnout map
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Lower turnout Higher turnout
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How Southeast Boise compares

Among neighborhoods within 5 miles, Southeast Boise leans more Democratic than 2 of 8 neighbors.

Southeast Boise runs about 54 points more Democratic than Idaho as a whole. Idaho leans Republican overall, while Southeast Boise is one of the few Democratic-leaning pockets.

Politics vary noticeably by block within Southeast Boise. The west side runs the most Democratic (D+34) and the southeast side runs the most Republican (Even), a spread of about 36 points.

Why Southeast Boise leans the way it does

This analysis examined 14,881 data points per neighborhood to find what predicts political lean and turnout. The items below are a few correlations that stood out for Southeast Boise, not a ranked or complete list of what matters most.

Southeast Boise votes against the grain of Idaho. Idaho leans Republican overall, while Southeast Boise runs about 54 points more Democratic. High college attainment predicts Democratic voting, and Southeast Boise sits in the top quarter (about 56%, above 77% of neighborhoods).

Population density and Democratic lean

Places with high population density tend to lean Democratic; Southeast Boise, Boise, ID sits above the national average on this measure.

Why turnout in Southeast Boise looks the way it does

Turnout in Southeast Boise 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.

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.