7th most populous of 15
With 145,161 residents in 2024, Coconino County ranks 7th by population among Arizona's 15 counties and is home to 1.9% of the state's residents.

Coconino County has the highest share of college graduates in Arizona (40.3% of adults) and the youngest population (median age 32.8).
Coconino County is home to 145,161 people (2024 estimate) on 18,616 square miles of land. This page brings together official U.S. Census Bureau population estimates since 2000, the components of change—births, deaths and migration—American Community Survey indicators on income, housing, poverty and education, BEA economic accounts and BLS unemployment.
Pick an indicator to see its long-run evolution.
U.S. Census Bureau: intercensal estimates 2000–2009, Vintage 2020 (2010–2019) and Vintage 2024 (2020–2024), July 1.
| Indicator | Value | Year and source |
|---|---|---|
| Population estimate | 145,161 | 2024 · U.S. Census Bureau |
| Population, 2010 Census | 134,421 | 2010 · U.S. Census Bureau |
| Population, 2000 | 116,773 | July 1, 2000 · Census intercensal |
| Change since 2000 | +24.3% | 2000–2024 · Census |
| International migration | +658 | 2024 · Census Vintage 2024 |
| Domestic migration | −702 | 2024 · Census Vintage 2024 |
| Birth rate | 9.2 per 1,000 | 2024 · calculated |
| Death rate | 7.4 per 1,000 | 2024 · calculated |
| Population rank in Arizona | 7th of 15 | 2024 · calculated |
| Per capita personal income | $63,794 | BEA, 2024 · official |
| Gross domestic product | $10.7 billion | BEA, current dollars, 2024 · official |
| Median household income | $72,966 | ACS 2020–2024 5-year · official |
| Poverty rate | 16.8% | ACS 2020–2024 5-year · official |
| Bachelor’s degree or higher | 40.3% | Age 25+, ACS 2020–2024 5-year · official |
| Foreign-born residents | 5.0% | ACS 2020–2024 5-year · official |
| Median home value | $448,000 | ACS 2020–2024 5-year · official |
| Median gross rent | $1,473/month | ACS 2020–2024 5-year · official |
| Median age | 32.8 years | ACS 2020–2024 5-year · official |
| Households | 55,118 | ACS 2020–2024 5-year · official |
| Owner-occupied homes | 59.7% | ACS 2020–2024 5-year · official |
Comparable indicators for Coconino County, Arizona and the United States.
| Indicator | County | Arizona | U.S. | Reference |
|---|---|---|---|---|
| Population change 2020–2024 | +0.0% | +5.9% | +2.6% | Census Vintage 2024 |
| Birth rate (per 1,000) | 9.2 | 10.3 | 10.6 | 2024 |
| Death rate (per 1,000) | 7.4 | 9.1 | 9.1 | 2024 |
| Net migration rate (per 1,000) | -0.3 | 13.1 | 8.2 | 2024 |
| Population density (/mi²) | 7.8 | 66.7 | 96.3 | 2024 |
| Per capita personal income | $63,794 | $65,798 | $73,204 | BEA, 2024 |
| Median household income | $72,966 | $79,964 | $80,734 | ACS 2020–2024 5-year |
| Poverty rate | 16.8% | 12.5% | 12.5% | ACS 2020–2024 5-year |
| Bachelor’s degree or higher | 40.3% | 33.3% | 35.7% | Age 25+, ACS 2020–2024 5-year |
| Foreign-born residents | 5.0% | 13.0% | 14.1% | ACS 2020–2024 5-year |
| Median home value | $448,000 | $394,500 | $332,700 | ACS 2020–2024 5-year |
| Median gross rent | $1,473/month | $1,543/month | $1,413/month | ACS 2020–2024 5-year |
| Median age | 32.8 years | 39.0 years | 38.9 years | ACS 2020–2024 5-year |
| Owner-occupied homes | 59.7% | 67.4% | 65.2% | ACS 2020–2024 5-year |
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With 145,161 residents in 2024, Coconino County ranks 7th by population among Arizona's 15 counties and is home to 1.9% of the state's residents.
Its population went from 116,773 in 2000 to 145,161 in 2024, a change of +24.3%, compared with +46.9% for Arizona as a whole.
In the year to July 2024 the county recorded 1,331 births and 1,081 deaths, so births outnumbered deaths by 250.
Annual Census estimates since 2000 put the county's highest population at 145,190 in 2020. The 2024 figure is 29 lower.
Coconino County has about 7.8 residents per square mile of land, ranking 12th of 15 counties; Arizona averages 66.7.
With a median household income of $72,966 (ACS 2020–2024 5-year), the county ranks 3rd of 15 Arizona counties; the state median is $79,964.
Its economy produced $10.7 billion of GDP in 2024 (BEA), 6th largest among 15 Arizona counties.
Real GDP grew 4.3% in 2024, adjusted for inflation (BEA, chained 2017 dollars).