South Hannibal, NY Political Map | Democrat & Republican Areas in South Hannibal

By the BestNeighborhood data science team. Last updated May 2026.

South Hannibal leans heavily Republican by roughly 42 points: about 29% of voters vote Democratic and 71% Republican.

 

About 66% of adults in South Hannibal typically vote, near the U.S. average of about 62%. Among adults in South Hannibal, ~19% vote Democratic, ~47% Republican, and ~34% don't vote. The map below shows estimated turnout by block group.

How South Hannibal compares

Among cities within 25 miles, South Hannibal leans more Republican than 90 of 98 neighbors.

South Hannibal runs about 54 points more Republican than New York as a whole. New York leans Democratic overall, while South Hannibal is one of the few Republican-leaning pockets.

Why South Hannibal 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 South Hannibal, not a ranked or complete list of what matters most.

Car-dependent areas vote Republican. About 92% of residents in South Hannibal drive to work alone, about 18 points above the U.S. average of 74%. A high family-household share predicts Republican voting, and about 76% of households in South Hannibal are family households, above 78% of cities. South Hannibal runs against the grain of New York, 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; South Hannibal, NY sits in the top tenth nationally on this measure.

Why turnout in South Hannibal looks the way it does

Homeowners vote more often than renters. About 94% of households in South Hannibal own their home, about 17 points above the New York average of 76%. Learn more about the findings and methodology on the political spectrum map.

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.