Northampton leans Republican by roughly 18 points: about 41% of voters vote Democratic and 59% Republican.
About 84% of adults in Northampton typically vote, above the U.S. average of about 62%. Among adults in Northampton, ~34% vote Democratic, ~50% Republican, and ~16% don't vote. The map below shows estimated turnout by block group.
How Northampton compares
Among cities within 25 miles, Northampton leans more Republican than 53 of 146 neighbors.
Northampton runs about 16 points more Republican than Pennsylvania as a whole.
Politics vary noticeably by neighborhood within Northampton. The northeast side is the most Republican-leaning (R+32) and the southwest side is the least Republican-leaning (R+7), a spread of about 25 points.
Why Northampton 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 Northampton, not a ranked or complete list of what matters most.
Northampton votes Republican even though it is densely developed (about 65%, far above the Pennsylvania average of 33%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Northampton, PA sits in the top quarter nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in Northampton looks the way it does
Areas with high high-school completion turn out at higher rates. About 96% of adults in Northampton have completed high school, about 6 points above the U.S. average of 90%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Whitehall, PA R+10
- North Catasauqua, PA R+10
- Hokendauqua, PA R+5
- Coplay, PA R+15
- Laurys Station, PA R+23
- Catasauqua, PA Even
- Treichlers, PA R+31
- Cherryville, PA R+33
- Fullerton, PA D+6
- Bath, PA R+26
Cities with Similar Populations
- Altus, OK R+41
- Highland, UT R+49
- Batavia, NY R+13
- Albert Lea, MN R+11
- Mill Valley, CA D+55
- Newton, KS R+25
- Hurricane, UT R+61
- North Bellmore, NY R+16
- Glenvar Heights, FL R+11
- Temple, GA R+57
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Sources and methodology
Precinct-level voting records used to fit the model come from Pennsylvania Department 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.