Arizona County Maps
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Arizona has 15 counties, a population of more than 7 million people, about 417 zip codes and 108 public school districts. Those counties vary widely in population, school enrollment, zip code coverage and local boundary structure. Maricopa County has the largest population in the state, while Greenlee County has the smallest. Browse the map, population, zip codes, school districts, county subdivisions and county list sections below to explore further. Or, simply start typing in the box below to go directly to that county.
Interactive Arizona County Map
This Arizona county map preview highlights population-by-county context, ZIP code coverage, school districts, and local boundary structure. Full statewide and county-level data packages are available when you need complete downloadable datasets. Click or tap any county to view its maps, trends and data.
Start with a free preview, or go straight to the full Arizona dataset .
Arizona Population By County
Arizona's population was over 7 million in 2020, up 759,485 (11.88%) residents from 2010. Maricopa County had the largest population in the state with more than 4 million people. Pima and Pinal Counties also stand out as major population centers. Greenlee County was the least populated area in Arizona with only 9,563 residents. The table below compares Arizona county populations and recent population trends.
The Most Populated Counties In Arizona
| County | Population | Trend (2010-2020) |
|---|---|---|
| Maricopa County | 4,420,568 | ▴ 15.81% |
| Pima County | 1,043,433 | ▴ 6.44% |
| Pinal County | 425,264 | ▴ 13.17% |
| Yavapai County | 236,209 | ▴ 11.93% |
| Mohave County | 213,267 | ▴ 6.53% |
| Download all county population data | ||
County populations reflect the latest state serving context (2020).
Arizona County Map With ZIP Codes
Arizona has about 417 zip codes statewide. Maricopa County contains the most zip codes, with 134. County-level zip code maps give a faster and clearer way to understand local coverage as zip boundaries can span county and municipal lines. The maps below highlight a few Arizona counties.
Arizona School Districts By County
Arizona has 108 public school districts with 557,619 students enrolled as of 2024. Maricopa County stands out for both district count and total enrollment. The table below compares county level school district totals and recent enrollment trends across the state.
Largest School Districts in Arizona
| County | Districts | Enrollment | Trend |
|---|---|---|---|
| Maricopa County | 17 | 304,257 | ▾ 2.18% |
| Pima County | 12 | 113,703 | ▾ 1.27% |
| Navajo County | 12 | 16,328 | ▾ 2.40% |
| Cochise County | 11 | 12,899 | ▾ 4.40% |
| Yavapai County | 10 | 16,020 | ▾ 4.34% |
| Download all school district data | |||
School district enrollment and trend values reflect the most recent state-level context (2024).
Arizona County Map With County Subdivisions
Arizona has about 80 county subdivisions statewide. These boundaries add another layer of local detail and help show how subdivision lines fit inside county boundaries. The previews below highlight a few counties with available subdivision map coverage.
Get the Full Arizona Data Package
The sections above provide a preview of Arizona county maps and county-level data. The full package includes complete statewide coverage with ready-to-use files for mapping, planning, and analysis.
Everything is organized to save hours of data collection, cleanup, and integration work.
- County map exports and boundary coverage for every county in Arizona
- Statewide GIS layers for ZIP codes, subdivisions, school districts, roads, water, and political boundaries
- Population, demographics, school, housing, and trend context aligned across counties
- Database files, map-ready exports, and documentation designed for faster research workflows
Includes GIS layers, maps, demographics, analytics, database files and planning tools.