Madison Heights is a Democratic stronghold. About 83% of voters here vote Democratic and 17% Republican.
About 66% of adults in Madison Heights typically vote, near the U.S. average of about 62%. Among adults in Madison Heights, ~55% vote Democratic, ~11% Republican, and ~34% don't vote. The map below shows estimated turnout by block group.
How Madison Heights compares
Among neighborhoods within 5 miles, Madison Heights is the most Democratic-leaning.
Madison Heights runs about 45 points more Democratic than California as a whole.
Politics vary noticeably by block within Madison Heights. The southwest side is the most Democratic-leaning (D+70) and the east side is the least Democratic-leaning (D+58), a spread of about 13 points.
Why Madison Heights 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 Madison Heights, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 71% of adults in Madison Heights hold a bachelor's degree, about 43 points above the U.S. average of 28%. Dense areas vote Democratic, and Madison Heights sits in the top fifth on density (more than 99%, above 89% of neighborhoods).
Population density and Democratic lean
Places with high population density tend to lean Democratic; Madison Heights, Pasadena, CA sits in the top tenth nationally on this measure.
Why turnout in Madison Heights looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Madison Heights 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 74%, about 14 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- South Arroyo, Pasadena, CA D+55
- West Central, Pasadena, CA D+54
- Mid Central, Pasadena, CA D+51
- South East, Pasadena, CA D+56
- North Central, Pasadena, CA D+51
- Normandie Heights, Pasadena, CA D+55
- East Central, Pasadena, CA D+42
- North Arroyo, Pasadena, CA D+41
- Highland Park, Los Angeles, CA D+52
- Eagle Rock, Los Angeles, CA D+49
Neighborhoods with Similar Populations
- Fairview, Anchorage, AK D+32
- South San Pedro, Albuquerque, NM D+30
- Oak Forest, Little Rock, AR D+81
- Southeast Nashua, Nashua, NH D+26
- Panther Creek, The Woodlands, TX R+22
- Alta Vista, San Diego, CA D+20
- East Milton, Milton, MA D+31
- Barnaby Woods, Washington, DC D+74
- Lincoln Park, Washington, DC D+84
- Hill East, Washington, DC D+80
Sources and methodology
Precinct-level voting records used to fit the model come from California 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.