Union Corner, MD Political Map | Democrat & Republican Areas in Union Corner

Union Corner is a Republican stronghold. About 25% of voters here vote Democratic and 75% Republican.

 
Union Corner, MD block-group political-lean map
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About 71% of adults in Union Corner typically vote, above the U.S. average of about 62%. Among adults in Union Corner, ~18% vote Democratic, ~53% Republican, and ~29% don't vote. The map below shows estimated turnout by block group.

Union Corner, MD block-group voter-turnout map
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How Union Corner compares

Among cities within 25 miles, Union Corner leans more Republican than 105 of 109 neighbors.

Union Corner runs about 79 points more Republican than Maryland as a whole. Maryland leans Democratic overall, while Union Corner is one of the few Republican-leaning pockets.

Why Union Corner 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 Union Corner, not a ranked or complete list of what matters most.

Car-dependent areas vote Republican. About 96% of residents in Union Corner drive to work alone, about 23 points above the U.S. average of 74%. Low college attainment predicts Republican voting, and Union Corner sits in the bottom quarter (about 10%, below 92% of cities). Union Corner runs against the grain of Maryland, a Republican-leaning pocket in a Democratic-leaning state.

Park access and Republican lean

Places with low park coverage tend to lean Republican; Union Corner, MD sits in the bottom tenth nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.

Why turnout in Union Corner looks the way it does

Areas with limited routine healthcare access turn out at lower rates. Union Corner 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.

Cities with Similar Populations

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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.