Kenilworth leans Republican by roughly 22 points: about 39% of voters vote Democratic and 61% Republican.
About 78% of adults in Kenilworth typically vote, above the U.S. average of about 62%. Among adults in Kenilworth, ~30% vote Democratic, ~48% Republican, and ~22% don't vote. The map below shows estimated turnout by block group.
How Kenilworth compares
Among cities within 25 miles, Kenilworth leans more Republican than 248 of 264 neighbors.
Kenilworth runs about 27 points more Republican than New Jersey as a whole. New Jersey leans Democratic overall, while Kenilworth is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Kenilworth. The southwest side is the most Republican-leaning (R+28) and the northwest side is the least Republican-leaning (R+12), a spread of about 16 points.
Why Kenilworth 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 Kenilworth, not a ranked or complete list of what matters most.
Kenilworth votes Republican even though it is densely developed (about 97%, far above the New Jersey average of 61%). State and regional patterns outweigh the Democratic lean that density usually predicts here. A high family-household share predicts Republican voting, and about 77% of households in Kenilworth are family households, above 82% of cities. Kenilworth runs against the grain of New Jersey, a Republican-leaning pocket in a Democratic-leaning state.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Kenilworth, NJ sits in the top tenth nationally on this measure.
Why turnout in Kenilworth looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Kenilworth is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Cranford, NJ D+16
- Roselle Park, NJ D+6
- Union, NJ D+32
- Springfield, NJ D+18
- Garwood, NJ Even
- Roselle, NJ D+58
- Vauxhall, NJ D+74
- Westfield, NJ D+27
- Millburn, NJ D+46
- Mountainside, NJ Even
Cities with Similar Populations
- Homer, AK R+6
- Castle Rock, WA R+29
- Kings Grant, NC R+4
- Webster City, IA R+28
- Magee, MS R+27
- Bishopville, SC D+20
- Bremen, IN R+44
- Clearwater Beach, FL R+25
- Tunkhannock, PA R+38
- Capistrano Beach, CA R+9
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.