03771 leans Republican by roughly 20 points: about 40% of voters vote Democratic and 60% 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 91% of adults in 03771 typically vote, above the U.S. average of about 62%. Among adults in 03771, ~36% vote Democratic, ~55% Republican, and ~9% don't vote. The map below shows estimated turnout by block group.
How 03771 compares
Among zip codes within 15 miles, 03771 leans more Republican than 19 of 20 neighbors.
03771 runs about 23 points more Republican than New Hampshire as a whole. New Hampshire is roughly evenly split, and 03771 sits clearly on the Republican side.
Why 03771 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 03771, not a ranked or complete list of what matters most.
03771 votes against the grain of New Hampshire. New Hampshire is roughly evenly split, while 03771 runs about 23 points more Republican.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; 03771, NH sits in the bottom quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 03771 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 03771 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 65%, above 65% of zip codes. Homeowners vote more often than renters, and about 89% of households in 03771 own their home, above 83% 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.