03887 leans Republican by roughly 28 points: about 36% of voters vote Democratic and 64% 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 87% of adults in 03887 typically vote, above the U.S. average of about 62%. Among adults in 03887, ~31% vote Democratic, ~56% Republican, and ~13% don't vote. The map below shows estimated turnout by block group.
How 03887 compares
Among zip codes within 15 miles, 03887 leans more Republican than 18 of 20 neighbors.
03887 runs about 31 points more Republican than New Hampshire as a whole. New Hampshire is roughly evenly split, and 03887 sits clearly on the Republican side.
Why 03887 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 03887, not a ranked or complete list of what matters most.
03887 votes against the grain of New Hampshire. New Hampshire is roughly evenly split, while 03887 runs about 31 points more Republican. A high family-household share predicts Republican voting, and about 75% of households in 03887 are family households, above 81% of zip codes.
Homeownership and voter turnout
Places with homeowner-heavy households tend to turn out at a higher rate; 03887, NH sits in the top tenth nationally on this measure.
Why turnout in 03887 looks the way it does
Homeowners vote more often than renters. About 97% of households in 03887 own their home, about 15 points above the New Hampshire average of 82%. 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.