Ajo leans slightly Democratic by roughly 6 points: about 53% of voters vote Democratic and 47% Republican.
About 63% of adults in Ajo typically vote, near the U.S. average of about 62%. Among adults in Ajo, ~33% vote Democratic, ~30% Republican, and ~37% don't vote. The map below shows estimated turnout by block group.
How Ajo compares
Ajo runs about 12 points more Democratic than Arizona as a whole.
Why Ajo 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 Ajo, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 57% of residents in Ajo live in densely developed areas, about 21 points above the U.S. average of 36%.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; Ajo, AZ sits in the top tenth nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in Ajo looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Ajo is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Why, AZ D+78
- Wahak Hotrontk, AZ D+84
- Lukeville, AZ D+75
- Theba, AZ R+6
- Pisinemo, AZ D+84
- Gila Bend, AZ R+6
- Kohatk, AZ D+38
- Anegam, AZ D+84
- Sil Murk, AZ R+9
Cities with Similar Populations
- Dalton Gardens, ID R+43
- New London, IA R+35
- Frankfort, MI D+13
- Port Washington North, NY D+16
- Clayton, AL D+30
- Butler, OH R+58
- Middleport, OH R+48
- Warrenton, GA D+25
- Casco, ME R+9
- North, SC R+4
Sources and methodology
Precinct-level voting records used to fit the model come from Arizona 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.