Lone Tree leans Republican by roughly 22 points: about 39% of voters vote Democratic and 61% Republican.
About 86% of adults in Lone Tree typically vote, above the U.S. average of about 62%. Among adults in Lone Tree, ~34% vote Democratic, ~52% Republican, and ~14% don't vote. The map below shows estimated turnout by block group.
How Lone Tree compares
Among cities within 25 miles, Lone Tree leans more Republican than 16 of 51 neighbors.
Lone Tree runs about 9 points more Republican than Iowa as a whole.
Politics vary noticeably by neighborhood within Lone Tree. The southeast side is the most Republican-leaning (R+35) and the west side is the least Republican-leaning (R+18), a spread of about 17 points.
Why Lone Tree leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Lone Tree. The lean here lands roughly where demographic data alone would predict.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; Lone Tree, IA sits in the top quarter nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Lone Tree looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Lone Tree 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 10 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- River Junction, IA R+34
- Gladwin, IA R+44
- Conesville, IA R+37
- Hills, IA R+5
- Riverside, IA R+35
- Downey, IA R+28
- Nichols, IA R+35
- West Liberty, IA R+7
- Sharon Center, IA R+28
- Iowa City, IA D+48
Cities with Similar Populations
- Dickson, OK R+64
- Gordon, PA D+6
- Quapaw, OK R+62
- Avoca, NY R+50
- Staffordsville, KY R+68
- Valley Falls, KS R+44
- Shell Bluff, GA R+20
- Lecompte, LA R+24
- Porter, OK R+55
- Dexter, OR R+25
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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.