Bridgewater is a true toss-up. About 51% of voters here vote Democratic and 49% Republican.
About 90% of adults in Bridgewater typically vote, above the U.S. average of about 62%. Among adults in Bridgewater, ~46% vote Democratic, ~44% Republican, and ~10% don't vote. The map below shows estimated turnout by block group.
How Bridgewater compares
Among cities within 25 miles, Bridgewater sits roughly in the middle of the political spectrum, with 107 neighbors leaning further in the place's direction and 110 leaning the other way.
Politically, Bridgewater sits close to the rest of New Jersey.
Politics vary noticeably by neighborhood within Bridgewater. The south side runs the most Democratic (D+17) and the west side runs the most Republican (R+4), a spread of about 21 points.
Why Bridgewater leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Bridgewater. The lean here lands roughly where demographic data alone would predict.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Bridgewater, NJ sits in the top quarter nationally on this measure.
Why turnout in Bridgewater looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Bridgewater 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 74%, about 14 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 98% of adults in Bridgewater have completed high school, above 94% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Green Knoll, NJ D+6
- North Branch Depot, NJ R+5
- Somerville, NJ D+12
- Raritan, NJ D+3
- Bradley Gardens, NJ D+9
- Bedminster, NJ D+8
- Martinsville, NJ Even
- Finderne, NJ D+9
- Manville, NJ R+10
- Bernards, NJ D+9
Cities with Similar Populations
- Egg Harbor City, NJ R+11
- Urbana, MD D+28
- Norfolk, MA D+20
- Camden, DE Even
- Palos Verdes Estates, CA D+15
- Plattsmouth, NE R+39
- Baxley, GA R+49
- Chamblee, GA D+37
- Weston, MA D+33
- Temple Hills, MD D+86
Sources and methodology
Precinct-level voting records used to fit the model come from New Jersey Division of 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.