Saint Joseph is a Democratic stronghold. About 76% of voters here vote Democratic and 24% Republican.
About 63% of adults in Saint Joseph typically vote, near the U.S. average of about 62%. Among adults in Saint Joseph, ~48% vote Democratic, ~15% Republican, and ~37% don't vote. The map below shows estimated turnout by block group.
How Saint Joseph compares
Among neighborhoods within 5 miles, Saint Joseph leans more Democratic than 13 of 31 neighbors.
Saint Joseph runs about 82 points more Democratic than Kentucky as a whole. Kentucky leans Republican overall, while Saint Joseph is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within Saint Joseph. The northwest side is the most Democratic-leaning (D+56) and the southeast side is the least Democratic-leaning (D+40), a spread of about 16 points.
Why Saint Joseph leans the way it does
This analysis examined 14,881 data points per neighborhood to find what predicts political lean and turnout. The items below are a few correlations that stood out for Saint Joseph, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in Saint Joseph live in densely developed areas, about 64 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 59% of adults in Saint Joseph have never been married, above 93% of neighborhoods. Saint Joseph runs against the grain of Kentucky, a Democratic-leaning pocket in a Republican-leaning state.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Saint Joseph, Louisville, KY sits in the top tenth nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Saint Joseph looks the way it does
Turnout in Saint Joseph sits close to the national pattern. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Schnitzelburg, Louisville, KY D+53
- Audubon, Louisville, KY D+24
- South Louisville, Louisville, KY D+40
- Old Louisville, Louisville, KY D+66
- Germantown, Louisville, KY D+59
- Taylor Berry, Louisville, KY D+43
- Algonquin, Louisville, KY D+72
- Wyandotte, Louisville, KY D+23
- Deer Park, Louisville, KY D+61
- Beechmont, Louisville, KY D+24
Neighborhoods with Similar Populations
- Oak Park, Des Moines, IA D+27
- Holden-Parramore, Orlando, FL D+71
- Wedgemere Historic District, Winchester, MA D+52
- Church Hill, Richmond, VA D+74
- Sunset Hills, Pittsburgh, PA D+34
- Glen Elder, Sacramento, CA D+26
- Washington Park Historic District, North Plainfield, NJ D+25
- Waterway Village, Kissimmee, FL D+6
- Miramar, Jacksonville, FL R+12
- Fairfax, Cleveland, OH D+87
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.