Dyer, IN Political Map | Democrat & Republican Areas in Dyer

By the BestNeighborhood data science team. Last updated May 2026.

Dyer leans Republican by roughly 16 points: about 42% of voters vote Democratic and 58% Republican.

 

About 81% of adults in Dyer typically vote, above the U.S. average of about 62%. Among adults in Dyer, ~34% vote Democratic, ~47% Republican, and ~19% don't vote. The map below shows estimated turnout by block group.

How Dyer compares

Among cities within 25 miles, Dyer leans more Republican than 76 of 111 neighbors.

Politically, Dyer sits close to the rest of Indiana.

Politics vary noticeably by neighborhood within Dyer. The south side is the most Republican-leaning (R+27) and the northeast side is the least Republican-leaning (R+8), a spread of about 19 points.

Why Dyer 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 Dyer, not a ranked or complete list of what matters most.

Dyer votes Republican even though it is densely developed (about 88%, far above the Indiana average of 25%). State and regional patterns outweigh the Democratic lean that density usually predicts here. A high family-household share predicts Republican voting, and about 75% of households in Dyer are family households, above 75% of cities.

Cancer-screening access and voter turnout

Places with high colon-cancer-screening access tend to turn out at a higher rate; Dyer, IN sits in the top tenth nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.

Why turnout in Dyer looks the way it does

Areas with strong routine healthcare access turn out at higher rates. Dyer 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 65%, about 5 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 91% of households in Dyer own their home, about 16 points above the U.S. average of 75%. High high-school completion lines up with higher turnout, and about 96% of adults in Dyer have completed high school, above 80% of cities. Learn more about the findings and methodology on the political spectrum map.

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Sources and methodology

Precinct-level voting records used to fit the model come from Indiana 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.