Whittier leans Republican by roughly 28 points: about 36% of voters vote Democratic and 64% Republican.
About 76% of adults in Whittier typically vote, above the U.S. average of about 62%. Among adults in Whittier, ~27% vote Democratic, ~49% Republican, and ~24% don't vote. The map below shows estimated turnout by block group.
How Whittier compares
Among cities within 25 miles, Whittier leans more Republican than 22 of 54 neighbors.
Whittier runs about 15 points more Republican than Iowa as a whole.
Why Whittier leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Whittier. 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; Whittier, IA 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 Whittier looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Whittier 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%. High high-school completion lines up with higher turnout, and about 96% of adults in Whittier have completed high school, above 82% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Springville, IA R+26
- Viola, IA R+31
- Waubeek, IA R+33
- Troy Mills, IA R+11
- Marion, IA Even
- Central City, IA R+29
- Fairview, IA R+32
- Stone City, IA R+31
- Alburnett, IA R+34
- Martelle, IA R+35
Cities with Similar Populations
- Clarence, IL R+60
- Pleasant Valley, WA R+25
- Pleasant Grove, TN R+71
- Lequire, OK R+75
- Millers Ferry, AL R+42
- Centerville, KS R+65
- Lecontes Mills, PA R+65
- Wheelock, ND R+78
- Center City, TX R+77
- Wied, TX R+76
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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.