Coconino County, Arizona

Coconino County population, land area and income

Coconino County had 145,161 residents in the Census Vintage 2024 estimate, on 18,616.4 square miles of land. It is the largest by land of Arizona's 15 county-equivalents. That works out to 7.8 people per square mile, below the US average of 96.3, and in the bottom quarter nationally.

The median county-equivalent in Arizona has 125,773 residents; Coconino County is somewhat larger.

Its SAIPE 2023 median household income of $71,528 is above the national county median among 3,143 counties with an estimate.

How Coconino County's population changed since 2020

Coconino County lost 29 residents between the July 2020 and July 2024 estimates, a drop of 0.0%. That ranks 13th of 15 in Arizona for growth. The median Arizona county changed by +3.3%, and the state as a whole by +5.5%.

Since the April 2020 estimates base, Coconino County recorded 5,614 births and 4,674 deaths, a natural change of +940. Net international migration added +1,726 and net domestic migration, people moving to or from other US counties, came to -2,608. The largest single component was domestic migration, which removed 2,608 people.

Where Coconino County is

The Census internal point of Coconino County is at 35.829700, -111.773700. It sits in UTM zone 12N. The map shades Arizona's 15 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Coconino County outlined. Dots are towns of 1,000+ people with residents in it.

Towns in Coconino County

5 incorporated places of 1,000+ people have residents in Coconino County, 92,082 people together, or 63% of the county. Each figure counts only the part of the town inside Coconino County; towns marked "part" extend into another county. The largest is Flagstaff with 77,539.

Counties bordering Coconino County

The Census 2024 county adjacency file lists 6 neighbors for Coconino County, including 2 across a state line. The most populous is Yavapai County, AZ, with 252,013 residents. Distances run between Census internal points in a straight line.

• Yavapai County

  252,013 people

  94 mi SSW

• Mohave County

  226,479 people

  111 mi W

• Navajo County

  109,516 people

  87 mi ESE

• Gila County

  54,073 people

  151 mi SSE

• UT

  San Juan County, UT

  14,601 people

  164 mi NE

• UT

  Kane County, UT

  8,525 people

  100 mi N

Distance to Phoenix and the nearest big city

Phoenix is 165.4 miles S of Coconino County's internal point in a straight line. The nearest place of 100,000 or more is St. George, UT (population 106,288), 132.2 miles away. The nearest place of 10,000 or more is Flagstaff, AZ (population 77,539), 45.4 miles away.

Coconino County FIPS code

The FIPS code of Coconino County is 04005: state code 04 for Arizona plus county code 005. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $71,528.