Mertztown leans heavily Republican by roughly 36 points: about 32% of voters vote Democratic and 68% Republican.
About 79% of adults in Mertztown typically vote, above the U.S. average of about 62%. Among adults in Mertztown, ~25% vote Democratic, ~54% Republican, and ~21% don't vote. The map below shows estimated turnout by block group.
How Mertztown compares
Among cities within 25 miles, Mertztown leans more Republican than 116 of 147 neighbors.
Mertztown runs about 33 points more Republican than Pennsylvania as a whole.
Politics vary noticeably by neighborhood within Mertztown. The southeast side is the most Republican-leaning (R+44) and the northeast side is the least Republican-leaning (R+15), a spread of about 28 points.
Why Mertztown 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 Mertztown, not a ranked or complete list of what matters most.
Mertztown votes Republican even though it is densely developed (about 20%, modestly below the Pennsylvania average of 33%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Mertztown, PA sits in the top quarter nationally on this measure.
Why turnout in Mertztown looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Mertztown 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 68%, about 8 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Topton, PA R+23
- Bowers, PA R+33
- Alburtis, PA R+18
- Lyons, PA R+33
- Dryville, PA R+31
- Breinigsville, PA D+6
- Lyon Station, PA R+21
- New Jerusalem, PA R+30
- Kutztown University, PA D+26
- Kutztown, PA R+13
Cities with Similar Populations
- Lansford, PA R+25
- Juno Beach, FL R+32
- Santee, SC D+20
- York Springs, PA R+47
- Williamsburg, IA R+35
- Decatur, MS R+40
- Lake Mathews, CA R+30
- Winterport, ME Even
- Leonardo, NJ R+22
- Decatur, MI R+26
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.