La Plata leans slightly Democratic by roughly 6 points: about 53% of voters vote Democratic and 47% Republican.
About 79% of adults in La Plata typically vote, above the U.S. average of about 62%. Among adults in La Plata, ~42% vote Democratic, ~37% Republican, and ~21% don't vote. The map below shows estimated turnout by block group.
How La Plata compares
Among cities within 25 miles, La Plata leans more Democratic than 58 of 129 neighbors.
La Plata runs about 24 points more Republican than Maryland as a whole.
Politics vary noticeably by neighborhood within La Plata. The northeast side runs the most Democratic (D+27) and the southeast side runs the most Republican (R+19), a spread of about 46 points.
Why La Plata 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 La Plata, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 33% of residents in La Plata live in densely developed areas, above 81% of cities. High college attainment predicts Democratic voting, and La Plata sits in the top quarter (about 34%, above 80% of cities). A high never-married share predicts Democratic voting, and about 30% of adults in La Plata have never been married, above 76% of cities.
Population density and Democratic lean
Places with high population density tend to lean Democratic; La Plata, MD sits in the top quarter nationally on this measure.
Why turnout in La Plata looks the way it does
Areas with strong routine healthcare access turn out at higher rates. La Plata 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 67%, about 7 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Port Tobacco Village, MD R+20
- Marshalls Corner, MD D+5
- Port Tobacco, MD R+27
- Bel Alton, MD R+31
- Pomfret, MD D+19
- White Plains, MD D+59
- Faulkner, MD R+37
- Bryantown, MD R+9
- Ripley, MD D+35
Cities with Similar Populations
- King, NC R+54
- Fort Atkinson, WI R+16
- Delmar, NY D+41
- Mullica Hill, NJ R+16
- Elkhorn, WI R+22
- Iona, FL R+25
- Macomb, IL D+8
- Ozark, AL R+24
- Morehead, KY R+29
- Hubert, NC R+42
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Sources and methodology
Precinct-level voting records used to fit the model come from Maryland 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.