Millhurst leans heavily Republican by roughly 34 points: about 33% of voters vote Democratic and 67% Republican.
About 92% of adults in Millhurst typically vote, above the U.S. average of about 62%. Among adults in Millhurst, ~30% vote Democratic, ~61% Republican, and ~9% don't vote. The map below shows estimated turnout by block group.
How Millhurst compares
Among cities within 25 miles, Millhurst leans more Republican than 49 of 69 neighbors.
Millhurst runs about 45 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while Millhurst is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Millhurst. The west side is the most Republican-leaning (R+43) and the northwest side is the least Republican-leaning (R+21), a spread of about 22 points.
Why Millhurst 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 Millhurst, not a ranked or complete list of what matters most.
Millhurst votes against the grain of Illinois. Illinois leans Democratic overall, while Millhurst runs about 45 points more Republican. A high family-household share predicts Republican voting, and about 76% of households in Millhurst are family households, above 80% of cities.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Millhurst, IL sits in the top quarter 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 Millhurst looks the way it does
Areas with high high-school completion turn out at higher rates. About 97% of adults in Millhurst have completed high school, about 5 points above the Illinois average of 92%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Millbrook, IL R+43
- Plano, IL R+3
- Sandwich, IL R+20
- Millington, IL R+38
- Newark, IL R+38
- Somonauk, IL R+27
- Yorkville, IL R+12
- Bristol, IL R+4
- Lisbon Center, IL R+43
- Big Rock, IL R+31
Cities with Similar Populations
- Moscow, MD R+61
- Alfordsville, IN R+70
- Hunt, ID R+72
- Monie, MD R+49
- Swanders, OH R+56
- Pleasure Valley, IN R+61
- Voss, ND R+56
- Cedar Island, NC R+54
- Centerville, IL R+70
- Chuathbaluk, AK D+29
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Sources and methodology
Precinct-level voting records used to fit the model come from Illinois 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.