Da Costa leans heavily Republican by roughly 32 points: about 34% of voters vote Democratic and 66% Republican.
About 70% of adults in Da Costa typically vote, above the U.S. average of about 62%. Among adults in Da Costa, ~24% vote Democratic, ~47% Republican, and ~29% don't vote. The map below shows estimated turnout by block group.
How Da Costa compares
Among cities within 25 miles, Da Costa leans more Republican than 102 of 130 neighbors.
Da Costa runs about 38 points more Republican than New Jersey as a whole. New Jersey leans Democratic overall, while Da Costa is one of the few Republican-leaning pockets.
Why Da Costa 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 Da Costa, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 90% of residents in Da Costa drive to work alone, about 17 points above the U.S. average of 74%. A high family-household share predicts Republican voting, and about 75% of households in Da Costa are family households, above 76% of cities. Da Costa runs against the grain of New Jersey, a Republican-leaning pocket in a Democratic-leaning state.
High-school completion, developed land, and voter turnout
Places that combine high-school-completion-heavy adults and a rural land-use pattern tend to turn out at a higher rate, as Da Costa, NJ does.
Why turnout in Da Costa looks the way it does
Areas with high high-school completion turn out at higher rates. About 97% of adults in Da Costa have completed high school, about 5 points above the New Jersey average of 92%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Elwood, NJ R+7
- Nesco, NJ R+33
- Hammonton, NJ R+23
- Penny Pot, NJ R+21
- Sweetwater, NJ R+34
- Folsom, NJ R+30
- Devonshire, NJ R+39
- Newtonville, NJ R+6
- Weymouth, NJ R+22
Cities with Similar Populations
- Youngs, MS R+42
- Manny Corners, NY R+20
- Frontier, WY R+77
- Bogota, TN R+76
- Cascade-Chipita Park, CO D+3
- Tippecanoe, PA R+48
- Looking Glass, OR R+53
- Normanda, IN R+57
- Wiborg, KY R+76
- Timpas, CO R+38
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.