Irvington is a Republican stronghold. About 24% of voters here vote Democratic and 76% Republican.
About 94% of adults in Irvington typically vote, above the U.S. average of about 62%. Among adults in Irvington, ~23% vote Democratic, ~71% Republican, and ~6% don't vote. The map below shows estimated turnout by block group.
How Irvington compares
Among cities within 25 miles, Irvington leans more Republican than 18 of 41 neighbors.
Irvington runs about 39 points more Republican than Iowa as a whole.
Politics vary noticeably by neighborhood within Irvington. The northeast side is the most Republican-leaning (R+61) and the north side is the least Republican-leaning (R+36), a spread of about 25 points.
Why Irvington leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Irvington. 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; Irvington, 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 Irvington looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Irvington 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 Irvington have completed high school, above 94% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Algona, IA R+34
- Hobarton, IA R+49
- St. Joseph, IA R+54
- Lu Verne, IA R+60
- St. Benedict, IA R+61
- Bode, IA R+55
- Livermore, IA R+56
- Whittemore, IA R+54
- Lotts Creek, IA R+54
- Hanna, IA R+57
Cities with Similar Populations
- Kirby, WY R+73
- Fame, OK R+64
- Valentine, TX R+35
- Conception, MO R+58
- Jacksonville, IA R+50
- Tendoy, ID R+69
- Kummer, WA D+8
- Leolyn, PA R+65
- Russellville, WV R+63
- Walnut Valley, NJ R+32
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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.