Arden leans heavily Democratic by roughly 30 points: about 65% of voters vote Democratic and 35% Republican.
About 84% of adults in Arden typically vote, above the U.S. average of about 62%. Among adults in Arden, ~55% vote Democratic, ~29% Republican, and ~16% don't vote. The map below shows estimated turnout by block group.
How Arden compares
Among cities within 25 miles, Arden leans more Democratic than 166 of 211 neighbors.
Arden runs about 16 points more Democratic than Delaware as a whole.
Why Arden 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 Arden, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 82% of residents in Arden live in densely developed areas, about 46 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Arden sits in the top quarter (about 52%, above 94% of cities).
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Arden, DE sits in the top tenth nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Arden looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Arden 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 74%, about 14 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 91% of households in Arden own their home, compared to around 75% in nearby cities. High high-school completion lines up with higher turnout, and about 98% of adults in Arden have completed high school, above 94% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Ardentown, DE D+31
- Claymont, DE D+42
- Boothwyn, PA D+5
- Garnet Valley, PA Even
- Bellefonte, DE D+26
- Marcus Hook, PA D+4
- Edgemoor, DE D+51
- Rockland, DE D+22
- Trainer, PA D+16
- Nortonville, NJ R+28
Cities with Similar Populations
- Youngs, OH R+61
- Madisonburg, PA R+50
- McVay, AL R+35
- Bobo, OH R+62
- Middletown, IL R+54
- Lincoln Park, GA D+28
- Briar Creek, PA R+40
- Landeck, OH R+72
- Grover, SC R+15
- Rosedale, NJ D+28
All Local Stats
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Sources and methodology
Precinct-level voting records used to fit the model come from Delaware 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.