Rosemont is a true toss-up. About 49% of voters here vote Democratic and 51% Republican.
About 85% of adults in Rosemont typically vote, above the U.S. average of about 62%. Among adults in Rosemont, ~42% vote Democratic, ~43% Republican, and ~15% don't vote. The map below shows estimated turnout by block group.
How Rosemont compares
Among cities within 25 miles, Rosemont sits roughly in the middle of the political spectrum, with 36 neighbors leaning further in the place's direction and 72 leaning the other way.
Rosemont runs about 30 points more Republican than Maryland as a whole. Maryland leans Democratic overall, while Rosemont sits closer to the political middle.
Why Rosemont 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 Rosemont, not a ranked or complete list of what matters most.
Rosemont votes against the grain of Maryland. Maryland leans Democratic overall, while Rosemont runs about 30 points more Republican.
Homeownership and voter turnout
Places with homeowner-heavy households tend to turn out at a higher rate; Rosemont, MD sits in the top tenth nationally on this measure.
Why turnout in Rosemont looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Rosemont 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 70%, about 10 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 96% of households in Rosemont own their home, about 21 points above the U.S. average of 75%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Brunswick, MD D+3
- Knoxville, MD R+19
- Olive, MD Even
- Brownsville, MD R+38
- Burkittsville, MD R+18
- Lovettsville, VA R+5
- Jefferson, MD R+12
- Point Of Rocks, MD R+9
- Taylorstown, VA Even
Cities with Similar Populations
- Mier, IN R+58
- Bruemmerville, WI R+37
- Virginia City, MT R+50
- Diggs, VA R+46
- Flower, WV R+66
- Hickory Hill, MO R+70
- High Point, MO R+64
- Cimarron, CO R+6
- Lakeview Heights, MO R+63
- Buena Vista, IN R+65
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.