Newmarket leans Democratic by roughly 24 points: about 62% of voters vote Democratic and 38% 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 78% of adults in Newmarket typically vote, above the U.S. average of about 62%. Among adults in Newmarket, ~49% vote Democratic, ~30% Republican, and ~21% don't vote. The map below shows estimated turnout by block group.
How Newmarket compares
Among cities within 25 miles, Newmarket leans more Democratic than 86 of 94 neighbors.
Newmarket runs about 21 points more Democratic than New Hampshire as a whole.
Politics vary noticeably by neighborhood within Newmarket. The north side is the most Democratic-leaning (D+37) and the southwest side is the least Democratic-leaning (D+10), a spread of about 27 points.
Why Newmarket 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 Newmarket, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 51% of adults in Newmarket hold a bachelor's degree, about 22 points above the U.S. average of 28%. A high never-married share predicts Democratic voting, and about 33% of adults in Newmarket have never been married, above 84% of cities.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Newmarket, NH sits in the top tenth 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 Newmarket looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Newmarket 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 98% of adults in Newmarket have completed high school, above 93% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Newfields, NH D+13
- Durham, NH D+47
- Jady Hill, NH D+19
- Stratham, NH D+16
- Lee, NH Even
- Newington, NH D+21
- Greenland, NH D+16
- Brentwood, NH R+5
- Madbury, NH D+12
- Exeter, NH D+18
Cities with Similar Populations
- Summit, MS R+27
- Bladensburg, MD D+68
- Spruce Pine, NC R+55
- Fruitland, ID R+56
- Jeanerette, LA D+15
- Gray, LA R+40
- South Glens Falls, NY R+9
- Woodbury, NY D+7
- Hooper, UT R+52
- Delphos, OH R+59
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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.