89120 leans slightly Democratic by roughly 10 points: about 55% of voters vote Democratic and 45% Republican.
About 55% of adults in 89120 typically vote, below the U.S. average of about 62%. Among adults in 89120, ~30% vote Democratic, ~25% Republican, and ~45% don't vote. The map below shows estimated turnout by block group.
How 89120 compares
Among zip codes within 15 miles, 89120 leans more Democratic than 25 of 51 neighbors.
89120 runs about 13 points more Democratic than Nevada as a whole. Nevada leans Republican overall, while 89120 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 89120. The northwest side is the most Democratic-leaning (D+27) and the east side is the least Democratic-leaning (D+4), a spread of about 24 points.
Why 89120 leans the way it does
This analysis examined 14,881 data points per zip code to find what predicts political lean and turnout. The items below are a few correlations that stood out for 89120, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in 89120 live in densely developed areas, about 63 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 37% of adults in 89120 have never been married, above 83% of zip codes. 89120 runs against the grain of Nevada, a Democratic-leaning pocket in a Republican-leaning state.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; 89120, NV sits in the top tenth nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in 89120 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 89120 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Renters vote less often than owners, and about 38% of households in 89120 rent, above 85% of zip codes. Crowded housing lines up with lower turnout, and about 5% of homes in 89120 have more than one occupant per room, above 86% of zip codes. Learn more about the findings and methodology on the political spectrum map.
Nearby Zip Codes
Zip Codes with Similar Populations
Sources and methodology
Precinct-level voting records used to fit the model come from Nevada 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.