Port Gibson leans heavily Republican by roughly 30 points: about 35% of voters vote Democratic and 65% Republican.
About 64% of adults in Port Gibson typically vote, near the U.S. average of about 62%. Among adults in Port Gibson, ~22% vote Democratic, ~42% Republican, and ~36% don't vote. The map below shows estimated turnout by block group.
How Port Gibson compares
Among cities within 25 miles, Port Gibson leans more Republican than 77 of 104 neighbors.
Port Gibson runs about 43 points more Republican than New York as a whole. New York leans Democratic overall, while Port Gibson is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Port Gibson. The west side is the most Republican-leaning (R+34) and the northeast side is the least Republican-leaning (R+14), a spread of about 19 points.
Why Port Gibson 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 Port Gibson, not a ranked or complete list of what matters most.
Port Gibson votes against the grain of New York. New York leans Democratic overall, while Port Gibson runs about 43 points more Republican.
Homeownership and voter turnout
Places with homeowner-heavy households tend to turn out at a higher rate; Port Gibson, NY sits above the national average on this measure.
Why turnout in Port Gibson looks the way it does
Turnout in Port Gibson 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
- Gypsum, NY R+29
- Newark, NY R+13
- Palmyra, NY R+17
- East Palmyra, NY R+29
- Marbletown, NY R+21
- Manchester, NY R+20
- Clifton Springs, NY R+14
- Shortsville, NY R+22
- Mud Mills, NY R+31
- Macedon Center, NY R+22
Cities with Similar Populations
- Savage, MS R+69
- Hamburg, MN R+49
- White Mills, PA R+36
- South Bloomingville, OH R+55
- San Rafael, NM R+39
- Bladensburg, OH R+71
- Holbrook, KY R+65
- Wakarusa, KS R+35
- Orient, NY D+34
- Rumley, TX R+71
Sources and methodology
Precinct-level voting records used to fit the model come from New York 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.