Warrendale leans heavily Democratic by roughly 38 points: about 69% of voters vote Democratic and 31% Republican.
About 74% of adults in Warrendale typically vote, above the U.S. average of about 62%. Among adults in Warrendale, ~51% vote Democratic, ~23% Republican, and ~26% don't vote. The map below shows estimated turnout by block group.
How Warrendale compares
Among neighborhoods within 5 miles, Warrendale leans more Democratic than 3 of 32 neighbors.
Warrendale runs about 13 points more Democratic than Massachusetts as a whole.
Politics vary noticeably by block within Warrendale. The southeast side is the most Democratic-leaning (D+61) and the northeast side is the least Democratic-leaning (D+29), a spread of about 32 points.
Why Warrendale 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 Warrendale, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 55% of adults in Warrendale hold a bachelor's degree, about 26 points above the U.S. average of 28%.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Warrendale, Waltham, MA sits in the top quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Warrendale looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Warrendale 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 71%, about 11 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Bemis, Watertown Town, MA D+50
- Bleachery, Waltham, MA D+42
- Waverley Square, Belmont, MA D+62
- Nonantum, Newton, MA D+49
- Piety Corner, Waltham, MA D+37
- Cushing Square, Belmont, MA D+67
- South Side, Waltham, MA D+59
- The Lanes, Waltham, MA D+29
- Bank Square, Waltham, MA D+50
- Waltham Highlands, Waltham, MA D+43
Neighborhoods with Similar Populations
- West Mesa, Albuquerque, NM D+24
- Downtown Binghamton, Binghamton, NY D+30
- Valencia, Newhall, CA Even
- Van Steuban, Detroit, MI D+84
- Rum Village, South Bend, IN D+29
- Indian Hill, Chicago Heights, IL D+53
- Lower Beaver, Des Moines, IA D+23
- Grider, Buffalo, NY D+82
- Chief Garry Park, Spokane, WA D+12
- El Camino, South San Francisco, CA D+43
Sources and methodology
Precinct-level voting records used to fit the model come from Massachusetts Secretary of the Commonwealth, 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.