89420 leans slightly Republican by roughly 14 points: about 43% of voters vote Democratic and 57% Republican.
About 36% of adults in 89420 typically vote, below the U.S. average of about 62%. Among adults in 89420, ~15% vote Democratic, ~21% Republican, and ~64% don't vote. The map below shows estimated turnout by block group.
How 89420 compares
89420 runs about 11 points more Republican than Nevada as a whole.
Politics vary noticeably by block within 89420. The southeast side is the most Republican-leaning (R+48) and the south side is the least Republican-leaning (R+7), a spread of about 40 points.
Why 89420 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 89420, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 10% of adults in 89420 hold a bachelor's degree, about 15 points below the Nevada average of 25%. Rural areas vote Republican, and 89420 sits in the bottom quarter on density (fewer than 1%, in the bottom fraction of zip codes).
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; 89420, NV sits in the bottom 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 89420 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 89420 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 44%, about 13 points below the Nevada average of 58%. High food insecurity lines up with lower turnout, and about 29% of adults in 89420 report food insecurity, above 93% of zip codes. Learn more about the findings and methodology on the political spectrum map.
Nearby Zip Codes
Zip Codes with Similar Populations
- 61371, IL R+45
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.