Arcadia is a Republican stronghold. About 20% of voters here vote Democratic and 80% Republican.
About 72% of adults in Arcadia typically vote, above the U.S. average of about 62%. Among adults in Arcadia, ~14% vote Democratic, ~58% Republican, and ~28% don't vote. The map below shows estimated turnout by block group.
How Arcadia compares
Among cities within 25 miles, Arcadia leans more Republican than 42 of 44 neighbors.
Arcadia runs about 47 points more Republican than Iowa as a whole.
Why Arcadia leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Arcadia. 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; Arcadia, IA sits in the bottom quarter nationally on this measure.
Why turnout in Arcadia looks the way it does
High high-school completion lines up with higher turnout, and about 96% of adults in Arcadia have completed high school, above 86% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Westside, IA R+55
- Maple River, IA R+55
- Halbur, IA R+60
- Breda, IA R+60
- Mount Carmel, IA R+57
- Carroll, IA R+34
- Roselle, IA R+60
- Carnarvon, IA R+63
- Vail, IA R+48
- Manning, IA R+47
Cities with Similar Populations
- Jonancy, KY R+73
- Nutria, CO R+19
- Scotia, CA R+16
- Mapleton, MI R+30
- Turnersville, TN R+64
- Dunbar, SC D+32
- Altamont, UT R+85
- Alston, GA R+71
- Big Island, OH R+60
- East Waterford, PA R+71
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.