Oldfield leans heavily Republican by roughly 36 points: about 32% of voters vote Democratic and 68% Republican.
About 88% of adults in Oldfield typically vote, above the U.S. average of about 62%. Among adults in Oldfield, ~28% vote Democratic, ~60% Republican, and ~12% don't vote. The map below shows estimated turnout by block group.
How Oldfield compares
Among cities within 25 miles, Oldfield leans more Republican than 78 of 102 neighbors.
Oldfield runs about 64 points more Republican than Maryland as a whole. Maryland leans Democratic overall, while Oldfield is one of the few Republican-leaning pockets.
Why Oldfield 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 Oldfield, not a ranked or complete list of what matters most.
Oldfield votes against the grain of Maryland. Maryland leans Democratic overall, while Oldfield runs about 64 points more Republican.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Oldfield, MD sits above the national average on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in Oldfield looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Oldfield 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 66%, about 6 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 96% of adults in Oldfield have completed high school, above 85% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Johnsville, MD R+45
- Union Bridge, MD R+39
- New Windsor, MD R+30
- Mount Airy, MD R+15
- Woodsboro, MD R+26
- New Market, MD D+3
- Linganore, MD D+6
- Keymar, MD R+41
- Walkersville, MD R+3
- Monrovia, MD R+5
Cities with Similar Populations
- Cherry Creek, SD D+37
- Loomis, WA R+39
- Heth, AR R+31
- St. Henry, IN R+51
- Huffines, TX R+78
- Pungo, NC R+54
- Bellmont, IL R+67
- Covode, PA R+68
- Mount Hope, MO R+60
- Gowen, OK R+68
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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.