Manassas Park City leans Democratic by roughly 20 points: about 60% of voters vote Democratic and 40% Republican.
About 66% of adults in Manassas Park City typically vote, near the U.S. average of about 62%. Among adults in Manassas Park City, ~40% vote Democratic, ~26% Republican, and ~34% don't vote. The map below shows estimated turnout by block group.
How Manassas Park City compares
Among counties within 50 miles, Manassas Park City leans more Democratic than 16 of 28 neighbors.
Manassas Park City runs about 14 points more Democratic than Virginia as a whole.
Politics vary noticeably by city within Manassas Park City. The south side is the most Democratic-leaning (D+36) and the north side is the least Democratic-leaning (D+5), a spread of about 31 points.
Why Manassas Park City leans the way it does
This analysis examined 14,881 data points per county to find what predicts political lean and turnout. The items below are a few correlations that stood out for Manassas Park City, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 90% of residents in Manassas Park City live in densely developed areas, about 54 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 38% of adults in Manassas Park City have never been married, above 91% of counties.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; Manassas Park City, VA sits in the top tenth nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in Manassas Park City looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Manassas Park City is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Manassas City, VA D+14
- Prince William County, VA D+21
- Fairfax City, VA D+25
- Fairfax County, VA D+37
- Falls Church City, VA D+45
- Fauquier County, VA R+19
- Loudoun County, VA D+18
- Alexandria City, VA D+55
- Arlington County, VA D+57
- Stafford County, VA D+6
Counties with Similar Populations
- Bristol City, VA R+32
- Cook County, GA R+34
- Union County, IL R+48
- Ben Hill County, GA R+17
- Park County, MT R+14
- Sharp County, AR R+62
- Humboldt County, NV R+53
- Arkansas County, AR R+33
- Henry County, AL R+45
- Tama County, IA R+25
Sources and methodology
Precinct-level voting records used to fit the model come from Virginia Department 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.