Columbus leans slightly Republican by roughly 10 points: about 45% of voters vote Democratic and 55% Republican.
About 96% of adults in Columbus typically vote, above the U.S. average of about 62%. Among adults in Columbus, ~43% vote Democratic, ~53% Republican, and ~4% don't vote. The map below shows estimated turnout by block group.
How Columbus compares
Among cities within 25 miles, Columbus leans more Republican than 134 of 181 neighbors.
Columbus runs about 15 points more Republican than New Jersey as a whole. New Jersey leans Democratic overall, while Columbus is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Columbus. The northeast side runs the most Democratic (D+19) and the northwest side runs the most Republican (R+26), a spread of about 45 points.
Why Columbus 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 Columbus, not a ranked or complete list of what matters most.
Columbus votes Republican even though it is densely developed (about 38%, well below the New Jersey average of 61%). Here an older population outweighs the Democratic lean that density usually predicts. A high family-household share predicts Republican voting, and about 77% of households in Columbus are family households, above 83% of cities. Columbus runs against the grain of New Jersey, a Republican-leaning pocket in a Democratic-leaning state.
Homeownership and voter turnout
Places with homeowner-heavy households tend to turn out at a higher rate; Columbus, NJ sits in the top tenth nationally on this measure.
Why turnout in Columbus looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Columbus 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 72%, about 12 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 96% of households in Columbus own their home, about 21 points above the U.S. average of 75%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Georgetown, NJ R+21
- Jobstown, NJ R+23
- Chesterfield, NJ R+18
- Jacksonville, NJ R+27
- Bordentown, NJ D+14
- Bustleton, NJ R+22
- Fieldsboro, NJ D+3
- Roebling, NJ D+5
- Juliustown, NJ R+21
- Crosswicks, NJ D+15
Cities with Similar Populations
- Mifflinburg, PA R+50
- Elmer, NJ R+31
- Springville, AL R+75
- Huntingburg, IN R+39
- Cresskill, NJ Even
- Kingston, RI D+40
- McCook, NE R+52
- Virginia, MN Even
- West Yarmouth, MA D+11
- Belding, MI R+28
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.