Rowley leans heavily Republican by roughly 40 points: about 30% of voters vote Democratic and 70% Republican.
About 85% of adults in Rowley typically vote, above the U.S. average of about 62%. Among adults in Rowley, ~26% vote Democratic, ~60% Republican, and ~14% don't vote. The map below shows estimated turnout by block group.
How Rowley compares
Among cities within 25 miles, Rowley leans more Republican than 28 of 47 neighbors.
Rowley runs about 27 points more Republican than Iowa as a whole.
Why Rowley 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 Rowley, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In Rowley, about 97% of residents are non-Hispanic white, about 25 points above the U.S. average of 72%; about 17% of adults hold a bachelor's degree, about 7 points below the Iowa average of 24%.
Population density and Republican lean
Places with low population density tend to lean Republican; Rowley, IA sits in the bottom quarter nationally on this measure.
Why turnout in Rowley looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Rowley 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%. High high-school completion lines up with higher turnout, and about 98% of adults in Rowley have completed high school, above 95% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Quasqueton, IA R+39
- Independence, IA R+27
- Brandon, IA R+41
- Walker, IA R+35
- Winthrop, IA R+42
- Urbana, IA R+39
- Otterville, IA R+41
- Shady Grove, IA R+42
- Jesup, IA R+36
- Center Point, IA R+29
Cities with Similar Populations
- Greenwich, NJ R+31
- Irvington, WI R+28
- Kelso, MO R+69
- Uno, VA R+38
- Five Points, TN R+77
- Stittsville, MI R+51
- Lakeland, LA R+44
- South Mountain, TX R+73
- Ellison Bay, WI D+14
- Rudyard, MI R+39
All Local Stats
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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.