Business planning by county
Arizona county reference
15 counties and county equivalents in Arizona. Search names or FIPS codes, compare Census geography and keep the original sources with your work.
- Apache County
Arizona · FIPS 04001
64,445 residents · 2025 estimate
- Cochise County
Arizona · FIPS 04003
126,332 residents · 2025 estimate
- Coconino County
Arizona · FIPS 04005
144,368 residents · 2025 estimate
- Gila County
Arizona · FIPS 04007
53,801 residents · 2025 estimate
- Graham County
Arizona · FIPS 04009
40,157 residents · 2025 estimate
- Greenlee County
Arizona · FIPS 04011
9,312 residents · 2025 estimate
- La Paz County
Arizona · FIPS 04012
16,711 residents · 2025 estimate
- Maricopa County
Arizona · FIPS 04013
4,689,558 residents · 2025 estimate
- Mohave County
Arizona · FIPS 04015
228,102 residents · 2025 estimate
- Navajo County
Arizona · FIPS 04017
109,946 residents · 2025 estimate
- Pima County
Arizona · FIPS 04019
1,074,685 residents · 2025 estimate
- Pinal County
Arizona · FIPS 04021
539,380 residents · 2025 estimate
- Santa Cruz County
Arizona · FIPS 04023
50,020 residents · 2025 estimate
- Yavapai County
Arizona · FIPS 04025
252,552 residents · 2025 estimate
- Yuma County
Arizona · FIPS 04027
224,449 residents · 2025 estimate
Use the county data
Use a county reference when organizing a market-research brief, outreach territory or business calculation. County population gives geographic context; it does not measure the number of qualified customers.
These are geographic reference records, not contact lists or verified sales leads.
Geography: 2025 U.S. Census Gazetteer. Population: Vintage 2025 estimates, July 1, 2025. County equivalents include parishes, boroughs, independent cities and planning regions. Puerto Rico population is not supplied by this population file.