03042 is a true toss-up. About 50% of voters here vote Democratic and 50% 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 79% of adults in 03042 typically vote, above the U.S. average of about 62%. Among adults in 03042, ~39% vote Democratic, ~39% Republican, and ~22% don't vote. The map below shows estimated turnout by block group.
How 03042 compares
Among zip codes within 15 miles, 03042 sits roughly in the middle of the political spectrum, with 14 neighbors leaning further in the place's direction and 17 leaning the other way.
Politically, 03042 sits close to the rest of New Hampshire.
Why 03042 leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in 03042. None of them point strongly toward either party.
Park access and Republican lean
Places with low park coverage tend to lean Republican; 03042, NH sits in the bottom tenth nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in 03042 looks the way it does
Turnout in 03042 sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. 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.