Lenzburg is a Republican stronghold. About 21% of voters here vote Democratic and 79% Republican.
About 70% of adults in Lenzburg typically vote, above the U.S. average of about 62%. Among adults in Lenzburg, ~15% vote Democratic, ~55% Republican, and ~30% don't vote. The map below shows estimated turnout by block group.
How Lenzburg compares
Among cities within 25 miles, Lenzburg leans more Republican than 51 of 74 neighbors.
Lenzburg runs about 68 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while Lenzburg is one of the few Republican-leaning pockets.
Why Lenzburg 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 Lenzburg, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 90% of residents in Lenzburg drive to work alone, about 17 points above the U.S. average of 74%. A high white share with below-average college attainment predicts Republican voting, and Lenzburg fits that profile on both counts. Lenzburg runs against the grain of Illinois, a Republican-leaning pocket in a Democratic-leaning state.
Foreign-born share and voter turnout
Places with a low foreign-born share tend to turn out in mixed patterns; Lenzburg, IL sits in the bottom quarter nationally on this measure.
Why turnout in Lenzburg looks the way it does
Turnout in Lenzburg 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 Cities
- Old Marissa, IL R+55
- Marissa, IL R+56
- New Athens, IL R+48
- Fayetteville, IL R+56
- St. Libory, IL R+57
- Clarmin, IL R+57
- Baldwin, IL R+60
- Tilden, IL R+53
- Stone Church, IL R+60
- Lively Grove, IL R+59
Cities with Similar Populations
- Zoe, OK R+69
- Belt, MT R+52
- White Lake, NC R+50
- Clarksburg, PA R+55
- Whitstran, WA R+44
- Little River, CA D+63
- Humboldt, SD R+54
- Holmesville, NE R+44
- Genoa, VA R+64
- Paxton, TX R+77
All Local Stats
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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.