03753 leans slightly Republican by roughly 10 points: about 45% of voters vote Democratic and 55% 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 more than 99% of adults in 03753 typically vote, above the U.S. average of about 62%. Among adults in 03753, ~46% vote Democratic, ~57% Republican, and ~-3% don't vote. The map below shows estimated turnout by block group.
How 03753 compares
Among zip codes within 15 miles, 03753 leans more Republican than 21 of 27 neighbors.
03753 runs about 12 points more Republican than New Hampshire as a whole. New Hampshire is roughly evenly split, and 03753 sits clearly on the Republican side.
Why 03753 leans the way it does
This analysis examined 14,881 data points per zip code to find what predicts political lean and turnout. The items below are a few correlations that stood out for 03753, not a ranked or complete list of what matters most.
03753 votes against the grain of New Hampshire. New Hampshire is roughly evenly split, while 03753 runs about 12 points more Republican.
Homeownership and voter turnout
Places with homeowner-heavy households tend to turn out at a higher rate; 03753, NH sits in the top tenth nationally on this measure.
Why turnout in 03753 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 03753 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%. Homeowners vote more often than renters, and about 99% of households in 03753 own their home, about 24 points above the U.S. average of 75%. High high-school completion lines up with higher turnout, and about 97% of adults in 03753 have completed high school, above 92% of zip codes. Learn more about the findings and methodology on the political spectrum map.
Nearby Zip Codes
Zip Codes with Similar Populations
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.