Green Park is a true toss-up. About 52% of voters here vote Democratic and 48% Republican.
About 80% of adults in Green Park typically vote, above the U.S. average of about 62%. Among adults in Green Park, ~41% vote Democratic, ~38% Republican, and ~21% don't vote. The map below shows estimated turnout by block group.
How Green Park compares
Among cities within 25 miles, Green Park leans more Democratic than 76 of 169 neighbors.
Green Park runs about 23 points more Democratic than Missouri as a whole. Missouri leans Republican overall, while Green Park is one of the few Democratic-leaning pockets.
Why Green Park 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 Green Park, not a ranked or complete list of what matters most.
Green Park votes against the grain of Missouri. Missouri leans Republican overall, while Green Park runs about 23 points more Democratic.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Green Park, MO 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 Green Park looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Green Park is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 68%, about 8 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Lakeshire, MO Even
- Concord, MO R+5
- St. George, MO D+10
- Affton, MO D+11
- Mehlville, MO Even
- Grantwood Village, MO D+11
- Wilbur Park, MO D+11
- Lemay, MO D+2
- Marlborough, MO D+20
- Crestwood, MO D+19
Cities with Similar Populations
- Grantham, PA D+22
- Nixon, TX R+34
- Blackville, SC D+28
- Jamesville, NC R+31
- Lakeview, MI R+42
- Waldoboro, ME R+19
- Sumas, WA R+38
- Suttons Bay, MI D+9
- Sandstone, MN R+31
- Fairfield, PA R+48
All Local Stats
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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.