Myrtle leans heavily Republican by roughly 34 points: about 33% of voters vote Democratic and 67% Republican.
About 93% of adults in Myrtle typically vote, above the U.S. average of about 62%. Among adults in Myrtle, ~31% vote Democratic, ~62% Republican, and ~7% don't vote. The map below shows estimated turnout by block group.
How Myrtle compares
Among cities within 25 miles, Myrtle leans more Republican than 35 of 67 neighbors.
Myrtle runs about 46 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while Myrtle is one of the few Republican-leaning pockets.
Why Myrtle 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 Myrtle, not a ranked or complete list of what matters most.
Myrtle votes against the grain of Illinois. Illinois leans Democratic overall, while Myrtle runs about 46 points more Republican. Car-dependent areas vote Republican, and about 87% of residents in Myrtle drive to work alone, above 86% of cities. A high family-household share predicts Republican voting, and about 89% of households in Myrtle are family households, in the top fraction of cities.
Homeownership and voter turnout
Places with homeowner-heavy households tend to turn out at a higher rate; Myrtle, IL sits in the top tenth nationally on this measure.
Why turnout in Myrtle looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Myrtle is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 70%, about 9 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 96% of households in Myrtle own their home, about 21 points above the U.S. average of 75%. High high-school completion lines up with higher turnout, and about 98% of adults in Myrtle have completed high school, above 96% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Byron, IL R+26
- Egan, IL R+41
- Seward, IL R+46
- Leaf River, IL R+39
- Stillman Valley, IL R+33
- Winnebago, IL R+32
- German Valley, IL R+45
- Mount Morris, IL R+25
Cities with Similar Populations
- Winneshiek, IL R+43
- Richmond, IA R+40
- Hamby, TX R+68
- Edgemont, AR R+60
- Halifax, KY R+64
- Oakland, OH R+45
- Mendenhall, PA D+28
- Hillsboro, IA R+51
- Union Ridge, TN R+69
- Roberts, MD R+36
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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.