- county
- FIPS 04003
- Largest town: Sierra Vista
Cochise County, Arizona
Cochise County had 125,773 residents in the Census Vintage 2024 estimate, on 6,209.9 square miles of land. It ranks 8th of 15 in Arizona by population and 8th by land area.
- Population
- 125,773
- #8 of 15 in Arizona · #520 in US
- Area
- 6,209.9 sq mi
- #8 of 15 in Arizona · #56 in US
- Density
- 20 / sq mi
- #7 of 15 in Arizona · #2,239 in US
- Median household income
- $53,011
- #11 of 15 in Arizona · #2,484 in US
Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area
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Cochise County population, land area and income
Cochise County had 125,773 residents in the Census Vintage 2024 estimate, on 6,209.9 square miles of land. It ranks 8th of 15 in Arizona by population and 8th by land area. That works out to 20.3 people per square mile, below the US average of 96.3, and below the national county median.
The median county-equivalent in Arizona has 125,773 residents, about the same as Cochise County.
Its SAIPE 2023 median household income of $53,011 is in the bottom quarter among 3,143 counties with an estimate.
National rank among 3,144
Population
125,773
520th of 3,144 (US)
Land area
6,210 sq mi
56th of 3,144 (US)
Density
20.3 / sq mi
2239th of 3,144 (US)
Median household income
$53,011
2484th of 3,143 (US)
Rank within Arizona (15)
Population
125,773
8th of 15 (AZ)
Land area
6,210 sq mi
8th of 15 (AZ)
Density
20.3 / sq mi
7th of 15 (AZ)
Median household income
$53,011
11th of 15 (AZ)
How Cochise County's population changed since 2020
Cochise County gained 240 residents between the July 2020 and July 2024 estimates, a rise of 0.2%. That ranks 12th 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, Cochise County recorded 5,228 births and 7,171 deaths, a natural change of -1,943. Net international migration added +1,666 and net domestic migration, people moving to or from other US counties, came to +568. The largest single component was natural change, which removed 1,943 people.
Components of change, April 2020 to July 2024
- Births
- 5,228
- Deaths
- 7,171
- Net international migration
- +1,666
- Net domestic migration
- +568
- Change, July 2023 to July 2024
- +892
Where Cochise County is
The Census internal point of Cochise County is at 31.840100, -109.775200. 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 Cochise County outlined. Dots are towns of 1,000+ people with residents in it.
- < -0.0%
- < +2.5%
- < +4.2%
- < +5.9%
- ≥ +5.9%
Orange pin: Cochise County internal point. Dark pin: Phoenix.
Internal point
- Decimal
- 31.840100, -109.775200
- DMS
- 31°50'24.36"N 109°46'30.72"W
- UTM
- 12N 615893.2E 3523365.8N
- Geohash
- 9t9vnh24h
- Plus code
- 853GR6RF+2W
Towns in Cochise County
7 incorporated places of 1,000+ people have residents in Cochise County, 77,188 people together, or 61% of the county. Each figure counts only the part of the town inside Cochise County; towns marked "part" extend into another county. The largest is Sierra Vista with 44,710.
- 01Sierra Vista44,710
- 02Douglas15,819
- 03Benson5,499
- 04Bisbee4,957
- 05Willcox3,217
- 06Huachuca City1,604
- 07Tombstone1,382
Counties bordering Cochise County
The Census 2024 county adjacency file lists 5 neighbors for Cochise County, including 1 across a state line. The most populous is Pima County, AZ, with 1,080,149 residents. Distances run between Census internal points in a straight line.
Distance to Phoenix and the nearest big city
Phoenix is 173.9 miles NW of Cochise County's internal point in a straight line. The nearest place of 100,000 or more is Tucson, AZ (population 554,013), 67.7 miles away. The nearest place of 10,000 or more is Douglas, AZ (population 15,819), 33.4 miles away.
Cochise County FIPS code
The FIPS code of Cochise County is 04003: state code 04 for Arizona plus county code 003. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $53,011.
Questions people ask
What is the population of Cochise County, Arizona?
The Census Vintage 2024 estimate for July 1, 2024 is 125,773. That is up 240 people (0.2%) from the July 2020 estimate of 125,533.
What is the FIPS code of Cochise County?
04003. The first two digits (04) are Arizona; the last three (003) identify the county.
What is the largest town in Cochise County?
Sierra Vista, with 44,710 residents inside Cochise County in 2024.
Which counties border Cochise County?
5 county-equivalents border it in the Census 2024 adjacency file: Pima County, AZ; Santa Cruz County, AZ; Graham County, AZ; Greenlee County, AZ; Hidalgo County, NM.
Sources and data as of
Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.
- 01Census Vintage 2024 county population estimates
- 02Census 2024 Gazetteer, counties
- 03Census SAIPE 2023 state and county estimates
- 04Census Vintage 2024 subcounty population estimates
- 05Census 2024 county adjacency file
- 06Census 2024 cartographic boundary file, counties (1:5,000,000)
How every number is computed: methodology. Spotted a wrong figure? Report an error.