Locust, IA Political Map | Democrat & Republican Areas in Locust

Locust leans heavily Republican by roughly 32 points: about 34% of voters vote Democratic and 66% Republican.

 
Locust, IA block-group political-lean map
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About 93% of adults in Locust typically vote, above the U.S. average of about 62%. Among adults in Locust, ~32% vote Democratic, ~61% Republican, and ~7% don't vote. The map below shows estimated turnout by block group.

Locust, IA block-group voter-turnout map
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How Locust compares

Among cities within 25 miles, Locust leans more Republican than 15 of 48 neighbors.

Locust runs about 18 points more Republican than Iowa as a whole.

Politics vary noticeably by neighborhood within Locust. The west side is the most Republican-leaning (R+34) and the east side is the least Republican-leaning (R+23), a spread of about 11 points.

Why Locust leans the way it does

Density, race composition, education, and family structure all sit close to their national averages in Locust. The lean here lands roughly where demographic data alone would predict.

Population density and Republican lean

Places with low population density tend to lean Republican; Locust, IA sits in the bottom quarter nationally on this measure.

Why turnout in Locust looks the way it does

Areas with strong routine healthcare access turn out at higher rates. Locust 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 69%, about 9 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.

Cities with Similar Populations

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Sources and methodology

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