Arimo, ID Political Map | Democrat & Republican Areas in Arimo

By the BestNeighborhood data science team. Last updated May 2026.

Arimo is a Republican stronghold. About 18% of voters here vote Democratic and 82% Republican.

 

About 65% of adults in Arimo typically vote, near the U.S. average of about 62%. Among adults in Arimo, ~12% vote Democratic, ~54% Republican, and ~34% don't vote. The map below shows estimated turnout by block group.

How Arimo compares

Among cities within 25 miles, Arimo leans more Republican than 6 of 22 neighbors.

Arimo runs about 28 points more Republican than Idaho as a whole.

Why Arimo 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 Arimo, not a ranked or complete list of what matters most.

Areas with a high white share and below-average college attainment vote Republican. In Arimo, about 97% of residents are non-Hispanic white, about 24 points above the U.S. average of 72%; about 17% of adults hold a bachelor's degree, about 9 points below the Idaho average of 26%. Rural areas vote Republican, and Arimo sits in the bottom quarter on density (about 4%, below 83% of cities). A high family-household share predicts Republican voting, and about 83% of households in Arimo are family households, above 94% of cities.

Population density and Republican lean

Places with low population density tend to lean Republican; Arimo, ID sits in the bottom quarter nationally on this measure.

Why turnout in Arimo looks the way it does

Areas with strong routine healthcare access turn out at higher rates. Arimo 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%. Homeowners vote more often than renters, and about 97% of households in Arimo own their home, about 22 points above the U.S. average of 75%. High high-school completion lines up with higher turnout, and about 96% of adults in Arimo have completed high school, above 80% of cities. Learn more about the findings and methodology on the political spectrum map.

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Sources and methodology

Precinct-level voting records used to fit the model come from Idaho 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.