Iberia Parish leans Republican by roughly 24 points: about 38% of voters vote Democratic and 62% Republican.
About 69% of adults in Iberia Parish typically vote, above the U.S. average of about 62%. Among adults in Iberia Parish, ~26% vote Democratic, ~43% Republican, and ~31% don't vote. The map below shows estimated turnout by block group.
How Iberia Parish compares
Among counties within 50 miles, Iberia Parish leans more Republican than 5 of 10 neighbors.
Politically, Iberia Parish sits close to the rest of Louisiana.
Politics vary noticeably by city within Iberia Parish. The southeast side runs the most Democratic (D+5) and the south side runs the most Republican (R+69), a spread of about 74 points.
Why Iberia Parish leans the way it does
This analysis examined 14,881 data points per county to find what predicts political lean and turnout. The items below are a few correlations that stood out for Iberia Parish, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 83% of residents in Iberia Parish drive to work alone, about 10 points above the U.S. average of 74%. Low college attainment predicts Republican voting, and Iberia Parish sits in the bottom quarter (about 15%, below 88% of counties).
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; Iberia Parish, LA sits in the bottom quarter nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in Iberia Parish looks the way it does
Turnout in Iberia Parish sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- St. Martin Parish, LA R+35
- Lafayette Parish, LA R+23
- Vermilion Parish, LA R+55
- St. Mary Parish, LA R+23
- Acadia Parish, LA R+54
- Iberville Parish, LA R+6
- St. Landry Parish, LA R+11
- West Baton Rouge Parish, LA R+9
- Assumption Parish, LA R+30
- Pointe Coupee Parish, LA R+25
Counties with Similar Populations
- Ward County, ND R+32
- York County, VA R+3
- Greene County, TN R+62
- Columbia County, FL R+44
- Portage County, WI R+7
- Troup County, GA R+11
- Klamath County, OR R+33
- Greenwood County, SC R+18
- Blue Earth County, MN R+6
- Boone County, IN R+19
Sources and methodology
Precinct-level voting records used to fit the model come from Louisiana 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.