Pioneer Square is a Democratic stronghold. About 79% of voters here vote Democratic and 21% Republican.
About 39% of adults in Pioneer Square typically vote, below the U.S. average of about 62%. Among adults in Pioneer Square, ~31% vote Democratic, ~8% Republican, and ~61% don't vote. The map below shows estimated turnout by block group.
How Pioneer Square compares
Among neighborhoods within 5 miles, Pioneer Square leans more Democratic than 3 of 33 neighbors.
Pioneer Square runs about 39 points more Democratic than Washington as a whole.
Politics vary noticeably by block within Pioneer Square. The southwest side is the most Democratic-leaning (D+64) and the northeast side is the least Democratic-leaning (D+53), a spread of about 11 points.
Why Pioneer Square 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 Pioneer Square, not a ranked or complete list of what matters most.
Areas with many never-married adults vote Democratic. About 61% of adults in Pioneer Square have never been married, well above similar-sized neighborhoods (around 43%).
Population density and Democratic lean
Places with high population density tend to lean Democratic; Pioneer Square, Seattle, WA sits in the top tenth nationally on this measure.
Why turnout in Pioneer Square looks the way it does
Renters vote less often than owners. About 92% of households in Pioneer Square rent, about 67 points above the U.S. average of 25%. High-crime urban areas turn out at lower rates, and Pioneer Square sits in the top 15% on a violent-crime measure. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- International District, Seattle, WA D+61
- First Hill, Seattle, WA D+69
- Belltown, Seattle, WA D+62
- Central District, Seattle, WA D+80
- South Lake Union, Seattle, WA D+57
- Atlantic, Seattle, WA D+73
- Capitol Hill, Seattle, WA D+79
- Uptown, Seattle, WA D+69
- Leschi, Seattle, WA D+78
- Madrona, Seattle, WA D+84
Neighborhoods with Similar Populations
- Hobart Circle Historic District, Troy, OH R+23
- Brunswick, Gary, IN D+80
- Grantley, York, PA D+23
- Webster, Oakland, CA D+60
- Burke Acres, Kalamazoo, MI D+29
- Baldwin District, Manassas, VA D+17
- Chabot Park, Oakland, CA D+67
- Little Blue Valley, Kansas City, MO Even
- Stanley-Aley, Wichita, KS R+5
- Five Points, Atlanta, GA D+76
Sources and methodology
Precinct-level voting records used to fit the model come from Washington Secretary of State, 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.