COUNTY · AZ
Coconino County, Arizona
Coconino County is a county in Arizona with FIPS code 04005 and an estimated population of 144,472 (Census 2023), 7th largest of 15 in the state.
County facts
- Name
- Coconino County
- State
- Arizona
- Type
- county
- FIPS code
- 04005
- State FIPS
- 04
- Population (2023)
- 144,472
- Change since 2020
- -0.5%
- State rank
- 7 of 15
Population is the Census Bureau’s Vintage 2023 estimate.
Major cities in Coconino County
Other counties in Arizona
Questions
What is the FIPS code for Coconino County?
Coconino County, Arizona has the five-digit FIPS code 04005: 04 for the state and 005 for the county.
What state is Coconino County in?
Coconino County is in Arizona.
How do I know if an address is in this county?
Use the address lookup. ZIP codes and city names can cross county lines, so an address is the reliable check.
Sources: U.S. Census Bureau geographic reference files; Census Bureau Population Estimates, Vintage 2023. Last reviewed 2026-10-27.