Harris Ranch leans slightly Democratic by roughly 14 points: about 57% of voters vote Democratic and 43% Republican.
About 83% of adults in Harris Ranch typically vote, above the U.S. average of about 62%. Among adults in Harris Ranch, ~47% vote Democratic, ~36% Republican, and ~17% don't vote. The map below shows estimated turnout by block group.
How Harris Ranch compares
Among neighborhoods within 5 miles, Harris Ranch is the least Democratic-leaning.
Harris Ranch runs about 50 points more Democratic than Idaho as a whole. Idaho leans Republican overall, while Harris Ranch is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within Harris Ranch. The west side is the most Democratic-leaning (D+24) and the east side is the least Democratic-leaning (D+4), a spread of about 20 points.
Why Harris Ranch 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 Harris Ranch, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 71% of adults in Harris Ranch hold a bachelor's degree, about 42 points above the U.S. average of 28%. Harris Ranch runs against the grain of Idaho, a Democratic-leaning pocket in a Republican-leaning state.
High-school completion, developed land, and voter turnout
Places that combine high-school-completion-heavy adults and a rural land-use pattern tend to turn out at a higher rate, as Harris Ranch, Boise, ID does.
Why turnout in Harris Ranch looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Harris Ranch 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 78%, about 18 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 98% of adults in Harris Ranch have completed high school, above 85% of neighborhoods. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Southeast Boise, Boise, ID D+17
- East End, Boise, ID D+33
- Vista, Boise, ID D+18
- Downtown, Boise, ID D+37
- Depot Bench, Boise, ID D+35
- Hillcrest, Boise, ID D+10
- North End, Boise, ID D+57
- Central Bench, Boise, ID D+21
- Highlands, Boise, ID D+20
- Veterans Park, Boise, ID D+29
Neighborhoods with Similar Populations
- Enterprise, Redding, CA R+13
- Brookside, Tulsa, OK D+16
- Brookland, Washington, DC D+92
- Salt Springs, Syracuse, NY D+60
- Corbett, Tucson, AZ D+21
- Cal-Gisler, Oxnard, CA D+41
- MIT, Cambridge, MA D+70
- Highland Park, Pittsburgh, PA D+74
- Se Heights, Albuquerque, NM D+55
- Town and Country North, Cockeysville, MD D+42
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.