03784 is a Democratic stronghold. About 75% of voters here vote Democratic and 25% 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 81% of adults in 03784 typically vote, above the U.S. average of about 62%. Among adults in 03784, ~60% vote Democratic, ~20% Republican, and ~20% don't vote. The map below shows estimated turnout by block group.
How 03784 compares
Among zip codes within 15 miles, 03784 leans more Democratic than 26 of 28 neighbors.
03784 runs about 48 points more Democratic than New Hampshire as a whole.
Politics vary noticeably by block within 03784. The northwest side is the most Democratic-leaning (D+56) and the southwest side is the least Democratic-leaning (D+25), a spread of about 30 points.
Why 03784 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 03784, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 56% of adults in 03784 hold a bachelor's degree, about 28 points above the U.S. average of 28%. A high never-married share predicts Democratic voting, and about 43% of adults in 03784 have never been married, above 90% of zip codes.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; 03784, NH sits in the top 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 03784 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 03784 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 70%, about 10 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 97% of adults in 03784 have completed high school, above 88% 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.