How many people live in Cochise County, AZ?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 125,800 people living in Cochise County, AZ. That makes Cochise County the eighth-most populous county in Arizona. It is home to 1.6% of people living in the state.
126K
population of Cochise County, AZ (2024)
1.6%
County share of the Arizona population (2024)
About 125,800 people lived in Cochise County, AZ in 2024.
Population estimates, 2000–2024
What are Cochise County, AZ’s age demographics?
About 32,800 Cochise County residents are aged 65 and older in 2024. That represents 26% of its population. For comparison, the age group represents 19.7% of Arizona’s population and 18% in the US overall.
Another 25,200 Cochise County residents, or 20% of the population, were children under 18. For comparison, the age group represents 21% of Arizona’s population and 21.6% in the US overall.
A higher share of Cochise County, AZ's population is aged 65 or older than the US as a whole.
Population estimates by age group, (2024)
What are Cochise County, AZ’s racial and ethnic demographics?
Hispanic residents make up 35.6% of the Cochise County, AZ population, higher than the national share of 20%. Cochise County also has a larger share of people identifying as non-Hispanic two or more races (2.6%) than the US overall (2.5%).
In contrast, Cochise County’s non-Hispanic Black or African American population accounts for 3.7%, below the 12.6% nationwide, and the non-Hispanic Asian population makes up 2.1% of the county, compared with 6.5% nationally.
Racial and ethnic make up differ based on location. These figures reflect how people identified their race alone (not in combination with other races), and separate out Hispanic or Latino ethnicity, following Census reporting standards.
Cochise County, AZ has a higher share of a Hispanic population than Arizona as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Cochise County, AZ is Sierra Vista with about 44,700 residents in 2024.
Cities and towns in Cochise County, AZ ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Sierra Vista | 44,710 |
| 2. | Douglas | 15,819 |
| 3. | Benson | 5,499 |
| 4. | Bisbee | 4,957 |
| 5. | Willcox | 3,217 |
| 6. | Huachuca City | 1,604 |
| 7. | Tombstone | 1,382 |
| 8. | Balance of Cochise County | 48,585 |
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Methodology
USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.
The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.
Page sources
USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.
