Olivet is a Republican stronghold. About 24% of voters here vote Democratic and 76% Republican.
About 79% of adults in Olivet typically vote, above the U.S. average of about 62%. Among adults in Olivet, ~19% vote Democratic, ~60% Republican, and ~21% don't vote. The map below shows estimated turnout by block group.
How Olivet compares
Among cities within 25 miles, Olivet leans more Republican than 37 of 47 neighbors.
Olivet runs about 40 points more Republican than Iowa as a whole.
Politics vary noticeably by neighborhood within Olivet. The southeast side is the most Republican-leaning (R+56) and the northwest side is the least Republican-leaning (R+44), a spread of about 12 points.
Why Olivet leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Olivet. 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; Olivet, IA sits in the bottom quarter nationally on this measure.
Why turnout in Olivet looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Olivet 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%. Homeowners vote more often than renters, and about 91% of households in Olivet 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 Olivet have completed high school, above 82% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Tracy, IA R+50
- Leighton, IA R+50
- Harvey, IA R+48
- Bussey, IA R+52
- Pella, IA R+25
- Beacon, IA R+50
- Hamilton, IA R+51
- Pershing, IA R+50
- Oskaloosa, IA R+30
- Peoria, IA R+50
Cities with Similar Populations
- Zemuly, MS R+3
- Five Points, OH R+55
- Stringtown, WA R+18
- Westford, NY R+30
- Rowena, SD R+47
- Oak Grove, WI R+43
- Henderson Harbor, NY R+24
- Necessity, TX R+80
- Tylor Mill, KY R+45
- Tackett Creek, TN R+73
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.