In Arizona, 25% of 18-year-olds are registered to vote, compared to 78% of voters 45+
Teens have the power to close the gap.
Learn MoreArizona Voter Registration Gap
This maps shows the most recent county-level voter registration rates in Arizona, one of a set of 31 states we currently track, with more states coming soon. Rates are shown for both 18-year-olds and adults ages 45 and older. Click a county to learn more about voter registration in there.
Arizona
25% of 18-year-olds are registered to vote as of Apr 1, 2026.
Learn more about this information.
High school communities can close the gap in Arizona.
Student-led, non-partisan voter registration drives in school ensure every student has the chance to get ready to vote before they graduate.
Arizona County Registration Rates
This table shows the voter registration rates in each Arizona county or county-equivalent as of Apr 1, 2026. We omit counties with populations below 10,000.
See our methods for more details.
| 18 vs 45+ | |||||
|---|---|---|---|---|---|
| Apache County | 28% | > 90% | 934 | 65,341 | |
| Cochise County | 25% | 85% | 1,527 | 125,566 | |
| Coconino County | 12% | > 90% | 5,047 | 144,508 | |
| Gila County | 26% | 80% | 451 | 53,795 | |
| Graham County | 28% | 79% | 580 | 39,232 | |
| La Paz County | 57% | 87% | 61 | 16,664 | |
| Maricopa County | 26% | 76% | 59,392 | 4,559,748 | |
| Mohave County | 26% | 80% | 1,759 | 220,517 | |
| Navajo County | 36% | > 90% | 1,278 | 108,415 | |
| Pima County | 20% | 79% | 16,236 | 1,060,490 | |
| Pinal County | 30% | 79% | 4,932 | 469,006 | |
| Santa Cruz County | 29% | 86% | 676 | 48,926 | |
| Yavapai County | 23% | 83% | 2,517 | 245,480 | |
| Yuma County | 20% | 72% | 2,955 | 211,741 |
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About this information
The voter data shown on this page comes from a commercial source that compiles official state records and was last updated on Jun 9, 2026. Population estimates come from the American Community Survey. To learn more, read our research model.
These pages are offered for guidance only and are not intended as legal advice. Please consult state election officials or an attorney if you have questions about any particular situation. We hope you find this useful. To cite our resources and original research, please provide links and/or cite The Civics Center.
If you have a question or noticed a discrepancy, please contact us.
© 2026 The Civics Center
