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Cochise County, Arizona
Cochise County's population in 2020 was 125,447, down 4.5% from 2010, according to U.S. Census Bureau (Census 2020). It was the third largest decline of Arizona counties, following La Paz (-19.2%) and Apache (-7.7 percent). Statewide, Arizona's population grew by 11.9% making it the 9th fastest-growing state in the nation over the decade (with Maricopa County accounting for 80% of the gains).
In 2020, Benson overtook Bisbee as Cochise County's third largest municipality (after Sierra Vista and Douglas). Bisbee's population dropped below 5,000 for the first time since 1950.
Census 2020 official population numbers (and changes since Census 2010) for municipalities in Cochise County are:
In 2022, Cochise County's population was 126,648, up 0.7% from 2020, according to annual population estimates by Arizona Office of Economic Opportunity. All municipalities saw population growth from 2020 to 2022 except Douglas, which saw the population fall by 5.0%, and Huachuca City, which saw the number of residents stabilize. The fastest population growth from 2020 to 2022 was Tombstone, which saw a 5.0% increase, followed by Bisbee at 2.5%. The combined unincorporated areas of Cochise County also saw population grow by 2.5%. Sierra Vista, the largest city in Cochise County, saw its population increase 0.7% to 45,773 from 2020 to 2022.
Note. Census 2020 numbers as of April 1; Arizona OEO estimates as of July 1 each year.
See spreadsheets, below, for annual Cochise County, city, and town population counts and estimates.
Cochise County's population of 126,648 in 2022 is expected to reach 129,781 in 2030 and 135,231 in 2060, according to projections by Arizona Office of Economic Opportunity.
See spreadsheets, below, for Cochise County, city, town, and place population projections.
A project of Southeast Arizona Economic Development Group (SAEDG) in partnership with Arizona G&T Cooperatives and community sponsors
SAEDG is a 501(c)(6) nonprofit corporation and an Arizona State Data Center Affiliate
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