Las Vegas leans Democratic by roughly 30 points: about 65% of voters vote Democratic and 35% Republican.
About 63% of adults in Las Vegas typically vote, near the U.S. average of about 62%. Among adults in Las Vegas, ~41% vote Democratic, ~22% Republican, and ~37% don't vote. The map below shows estimated turnout by block group.
How Las Vegas compares
Among cities within 25 miles, Las Vegas leans more Democratic than 28 of 37 neighbors.
Las Vegas runs about 23 points more Democratic than New Mexico as a whole.
Politics vary noticeably by neighborhood within Las Vegas. The east side is the most Democratic-leaning (D+41) and the northwest side is the least Democratic-leaning (D+22), a spread of about 19 points.
Why Las Vegas 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 Las Vegas, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 55% of residents in Las Vegas live in densely developed areas, about 18 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 43% of adults in Las Vegas have never been married, above 95% of cities.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Las Vegas, NM sits in the top quarter nationally on this measure.
Why turnout in Las Vegas looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Las Vegas is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The uninsured rate here is about 20%, about 10 points above the U.S. average of 10%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Romeroville, NM D+5
- Los Vigiles, NM D+13
- La Manga, NM D+11
- Montezuma, NM D+13
- Gabaldon, NM Even
- Tecolote, NM D+17
- Las Tusas, NM D+17
- San Pablo, NM D+23
- Mineral Hill, NM D+31
- Sapello, NM D+16
Cities with Similar Populations
- Fairview Heights, IL D+18
- Chesnee, SC R+60
- Glenmont, MD D+51
- Gilbertsville, PA R+14
- Marco Island, FL R+31
- Sayville, NY R+18
- North Reading, MA D+9
- Commerce, GA R+57
- Grand Ledge, MI R+4
- Eureka, MO R+25
Sources and methodology
Precinct-level voting records used to fit the model come from New Mexico Secretary of State, Bureau of 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.