Franz Park, St. Louis, MO Political Map | Democrat & Republican Areas in Franz Park

Franz Park is a Democratic stronghold. About 76% of voters here vote Democratic and 24% Republican.

 
Franz Park, St. Louis, MO block-group political-lean map
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About 68% of adults in Franz Park typically vote, above the U.S. average of about 62%. Among adults in Franz Park, ~52% vote Democratic, ~16% Republican, and ~32% don't vote. The map below shows estimated turnout by block group.

Franz Park, St. Louis, MO block-group voter-turnout map
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How Franz Park compares

Among neighborhoods within 5 miles, Franz Park leans more Democratic than 7 of 27 neighbors.

Franz Park runs about 71 points more Democratic than Missouri as a whole. Missouri leans Republican overall, while Franz Park is one of the few Democratic-leaning pockets.

Politics vary noticeably by block within Franz Park. The northwest side is the most Democratic-leaning (D+62) and the northeast side is the least Democratic-leaning (D+49), a spread of about 13 points.

Why Franz Park 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 Franz Park, not a ranked or complete list of what matters most.

Dense areas vote Democratic. More than 99% of residents in Franz Park live in densely developed areas, about 64 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Franz Park sits in the top quarter (about 58%, above 78% of neighborhoods). Franz Park runs against the grain of Missouri, a Democratic-leaning pocket in a Republican-leaning state.

Developed land and Democratic lean

Places with a heavily developed built environment tend to lean Democratic; Franz Park, St. Louis, MO sits in the top quarter nationally on this measure. Developed land does not change how people vote; it mostly reflects how urban a place is.

Why turnout in Franz Park looks the way it does

Turnout in Franz Park 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.

Sources and methodology

Precinct-level voting records used to fit the model come from Missouri Secretary of State, 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.