Boxborough leans Democratic by roughly 26 points: about 63% of voters vote Democratic and 37% Republican.
About 79% of adults in Boxborough typically vote, above the U.S. average of about 62%. Among adults in Boxborough, ~50% vote Democratic, ~29% Republican, and ~21% don't vote. The map below shows estimated turnout by block group.
How Boxborough compares
Among cities within 25 miles, Boxborough leans more Democratic than 93 of 157 neighbors.
Politically, Boxborough sits close to the rest of Massachusetts.
Why Boxborough leans the way it does
This analysis examined 14,881 data points per city to find what predicts political lean and turnout. The items below are a few correlations that stood out for Boxborough, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 78% of adults in Boxborough hold a bachelor's degree, about 50 points above the U.S. average of 28%. Density combined with diversity predicts Democratic voting, and non-Hispanic white share in Boxborough is about 63%, below 82% of cities. A high never-married share predicts Democratic voting, and about 33% of adults in Boxborough have never been married, above 83% of cities.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Boxborough, MA sits in the top tenth nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in Boxborough looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Boxborough 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 79%, about 19 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 97% of adults in Boxborough have completed high school, above 89% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Harvard, MA D+28
- Stow, MA D+34
- Acton, MA D+43
- Littleton, MA D+18
- South Bolton, MA D+31
- Maynard, MA D+38
- Still River, MA D+34
- Village Of Nagog Woods, MA D+38
- Harvard Station, MA D+29
- Bolton, MA D+28
Cities with Similar Populations
- Richwood, TX R+34
- Williamsburg, MI R+8
- Strasburg, CO R+51
- Mosheim, TN R+67
- Saunderstown, RI D+13
- Slocomb, AL R+75
- Siesta Key, FL R+15
- Cherry Valley, IL R+15
- Blauvelt, NY R+13
- Tichigan, WI R+24
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Sources and methodology
Precinct-level voting records used to fit the model come from Massachusetts Secretary of the Commonwealth, Elections, 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. Full methodology and findings: political spectrum map.
Methodology reviewed by the BestNeighborhood data team. Last updated May 2026.