Bethlehem leans Democratic by roughly 20 points: about 60% of voters vote Democratic and 40% Republican. These figures are model estimates: New Hampshire did not have precinct-level voting records available for training, so the numbers above come from demographic and health features rather than local ground truth.
About 85% of adults in Bethlehem typically vote, above the U.S. average of about 62%. Among adults in Bethlehem, ~51% vote Democratic, ~34% Republican, and ~15% don't vote. The map below shows estimated turnout by block group.
How Bethlehem compares
Among cities within 25 miles, Bethlehem leans more Democratic than 55 of 57 neighbors.
Bethlehem runs about 16 points more Democratic than New Hampshire as a whole.
Politics vary noticeably by neighborhood within Bethlehem. The south side is the most Democratic-leaning (D+21) and the northwest side is the least Democratic-leaning (D+8), a spread of about 13 points.
Why Bethlehem 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 Bethlehem, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 43% of adults in Bethlehem hold a bachelor's degree, about 15 points above the U.S. average of 28%.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; Bethlehem, NH sits in the top tenth nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Bethlehem looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Bethlehem 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 72%, about 12 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 96% of adults in Bethlehem have completed high school, above 86% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Littleton, NH R+3
- Franconia, NH D+20
- Sugar Hill, NH D+17
- Twin Mountain, NH D+2
- Whitefield, NH R+20
- Dalton, NH R+27
- Gilman, VT R+34
- Lisbon, NH R+17
- Tinkerville, NH R+20
Cities with Similar Populations
- Edmore, MI R+44
- Calhoun Falls, SC D+3
- Copper Hill, VA R+46
- Anahola, HI D+14
- Imperial, NE R+64
- Oneida, WI R+6
- Eden, MD R+11
- Bradford, TN R+70
- Pine Grove, FL R+38
- Broxton, GA R+56
All Local Stats
Home Services
Sources and methodology
Precinct-level voting records used to fit the model come from New Hampshire Secretary of State, Elections Division, 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. NH did not have precinct-level voting records available for training, so the figures here come from extrapolation across demographic, health, and land-use features rather than local ground truth. Full methodology and findings: political spectrum map.
Methodology reviewed by the BestNeighborhood data team. Last updated May 2026.