Olney is a Democratic stronghold. About 84% of voters here vote Democratic and 16% Republican.
About 58% of adults in Olney typically vote, near the U.S. average of about 62%. Among adults in Olney, ~49% vote Democratic, ~9% Republican, and ~42% don't vote. The map below shows estimated turnout by block group.
How Olney compares
Among neighborhoods within 5 miles, Olney leans more Democratic than 18 of 32 neighbors.
Olney runs about 69 points more Democratic than Pennsylvania as a whole. Pennsylvania is roughly evenly split, and Olney sits clearly on the Democratic side.
Politics vary noticeably by block within Olney. The north side is the most Democratic-leaning (D+74) and the southeast side is the least Democratic-leaning (D+60), a spread of about 14 points.
Why Olney leans the way it does
This analysis examined 14,881 data points per neighborhood to find what predicts political lean and turnout. The items below are a few correlations that stood out for Olney, not a ranked or complete list of what matters most.
Olney votes against the grain of Pennsylvania. Pennsylvania is roughly evenly split, while Olney runs about 69 points more Democratic. A high never-married share predicts Democratic voting, and about 46% of adults in Olney have never been married, above 75% of neighborhoods.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; Olney, Philadelphia, PA sits in the bottom tenth nationally 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 Olney looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Olney is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 44%, about 20 points below the Pennsylvania average of 64%. Low high-school completion lines up with lower turnout, and about 77% of adults in Olney have completed high school, below 89% of neighborhoods. High-crime urban areas turn out at lower rates, and Olney sits in the top 15% on a violent-crime measure. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Logan-Ogontz-Fern Rock, Philadelphia, PA D+85
- Lawncrest, Philadelphia, PA D+59
- Summerdale, Philadelphia, PA D+58
- Juniata Park-Feltonville, Philadelphia, PA D+44
- Hunting Park, Philadelphia, PA D+64
- Oak Lane, Philadelphia, PA D+87
- Germantown, Philadelphia, PA D+87
- Lawndale, Philadelphia, PA D+40
- Tioga-Nicetown, Philadelphia, PA D+87
- Harrowgate, Philadelphia, PA D+53
Neighborhoods with Similar Populations
- Mililani Waipio Melemanu, Mililani, HI D+17
- Capitol, Madison, WI D+61
- Holmesburg, Philadelphia, PA D+22
- West Lawn, Chicago, IL D+32
- Ashburn, Chicago, IL D+56
- Aliamanu, Honolulu, HI D+13
- North Side, Mount Vernon, NY D+61
- Laurelton, Queens, NY D+82
- Kips Bay, Manhattan, NY D+62
- Deanwood, Washington, DC D+86
Sources and methodology
Precinct-level voting records used to fit the model come from Pennsylvania Department of State, Bureau 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.