Northbrook leans Democratic by roughly 30 points: about 65% of voters vote Democratic and 35% Republican.
About 61% of adults in Northbrook typically vote, near the U.S. average of about 62%. Among adults in Northbrook, ~40% vote Democratic, ~21% Republican, and ~39% don't vote. The map below shows estimated turnout by block group.
How Northbrook compares
Among neighborhoods within 5 miles, Northbrook leans more Democratic than 3 of 6 neighbors.
Northbrook runs about 40 points more Democratic than Ohio as a whole. Ohio leans Republican overall, while Northbrook is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within Northbrook. The southeast side is the most Democratic-leaning (D+47) and the northeast side is the least Democratic-leaning (D+10), a spread of about 36 points.
Why Northbrook 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 Northbrook, not a ranked or complete list of what matters most.
Northbrook votes against the grain of Ohio. Ohio leans Republican overall, while Northbrook runs about 40 points more Democratic.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Northbrook, Cincinnati, OH sits in the top quarter nationally on this measure.
Why turnout in Northbrook looks the way it does
Turnout in Northbrook sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Groesbeck, Cincinnati, OH R+4
- Mount Healthy Heights, Cincinnati, OH D+26
- College Hill, Cincinnati, OH D+61
- Mount Airy, Cincinnati, OH D+58
- Pleasant Run Farm, Cincinnati, OH D+33
- Monfort Heights South, Cincinnati, OH R+24
- Winton Hills, Cincinnati, OH D+77
- Northside, Cincinnati, OH D+68
- Hartwell, Cincinnati, OH D+40
- Carthage, Cincinnati, OH D+34
Neighborhoods with Similar Populations
- Kelsey City, Lake Park, FL D+21
- Five Mile Creek, Dallas, TX D+54
- Fauntleroy, Seattle, WA D+73
- Jahnke, Richmond, VA D+74
- Downtown, Providence, RI D+64
- Terra Linda, San Rafael, CA D+43
- Monte Vista, San Antonio, TX D+51
- Larkfield-Wikiup, Santa Rosa, CA D+31
- Village Centre, Menomonee Falls, WI R+4
- Northwest Village, West Sacramento, CA D+21
Sources and methodology
Precinct-level voting records used to fit the model come from Ohio 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.