Trenton is a Republican stronghold. About 22% of voters here vote Democratic and 78% Republican.
About 64% of adults in Trenton typically vote, near the U.S. average of about 62%. Among adults in Trenton, ~14% vote Democratic, ~50% Republican, and ~36% don't vote. The map below shows estimated turnout by block group.
How Trenton compares
Among cities within 25 miles, Trenton leans more Republican than 17 of 67 neighbors.
Trenton runs about 26 points more Republican than Kentucky as a whole.
Why Trenton 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 Trenton, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 77% of households in Trenton are family households, about 10 points above the U.S. average of 67%.
Park access and Republican lean
Places with low park coverage tend to lean Republican; Trenton, KY sits in the bottom quarter nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in Trenton looks the way it does
Turnout in Trenton sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Hadensville, KY R+50
- St. Elmo, KY R+59
- Guthrie, KY R+37
- Pembroke, KY R+50
- Hampton Station, TN R+30
- Zion, KY R+57
- Tress Shop, KY R+63
- Oak Grove, KY R+15
- Fairview, KY R+56
- Allensville, KY R+55
Cities with Similar Populations
- Pleasant Hill, LA R+37
- New Salem, NC R+67
- Dover Beaches South, NJ R+37
- Como, LA R+47
- Parmalee, FL R+69
- Milford Square, PA R+18
- Harshaw, WI R+30
- Milton, IN R+60
- Longtown, OK R+61
- Newburn, FL R+71
Sources and methodology
Precinct-level voting records used to fit the model come from Kentucky State Board 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.