- county
- FIPS 04023
- Largest town: Nogales
Santa Cruz County, Arizona
Santa Cruz County had 50,508 residents in the Census Vintage 2024 estimate, on 1,236.3 square miles of land. It ranks 12th of 15 in Arizona by population and 15th by land area.
- Population
- 50,508
- #12 of 15 in Arizona · #1,002 in US
- Area
- 1,236.3 sq mi
- #15 of 15 in Arizona · #494 in US
- Density
- 41 / sq mi
- #4 of 15 in Arizona · #1,655 in US
- Median household income
- $52,400
- #12 of 15 in Arizona · #2,522 in US
Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area
Measure from here
Tools and pages that start from Santa Cruz County
Santa Cruz County population, land area and income
Santa Cruz County had 50,508 residents in the Census Vintage 2024 estimate, on 1,236.3 square miles of land. It ranks 12th of 15 in Arizona by population and 15th by land area. That works out to 40.9 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, so Santa Cruz County has 40% of the typical county's population.
Its SAIPE 2023 median household income of $52,400 is in the bottom quarter among 3,143 counties with an estimate.
National rank among 3,144
Population
50,508
1002nd of 3,144 (US)
Land area
1,236 sq mi
494th of 3,144 (US)
Density
40.9 / sq mi
1655th of 3,144 (US)
Median household income
$52,400
2522nd of 3,143 (US)
Rank within Arizona (15)
Population
50,508
12th of 15 (AZ)
Land area
1,236 sq mi
15th of 15 (AZ)
Density
40.9 / sq mi
4th of 15 (AZ)
Median household income
$52,400
12th of 15 (AZ)
How Santa Cruz County's population changed since 2020
Santa Cruz County gained 2,796 residents between the July 2020 and July 2024 estimates, a rise of 5.9%. That ranks 4th 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, Santa Cruz County recorded 2,370 births and 1,704 deaths, a natural change of +666. Net international migration added +2,121 and net domestic migration, people moving to or from other US counties, came to +41. The largest single component was international migration, which added 2,121 people.
Components of change, April 2020 to July 2024
- Births
- 2,370
- Deaths
- 1,704
- Net international migration
- +2,121
- Net domestic migration
- +41
- Change, July 2023 to July 2024
- +861
Where Santa Cruz County is
The Census internal point of Santa Cruz County is at 31.525700, -110.845200. 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 Santa Cruz 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: Santa Cruz County internal point. Dark pin: Phoenix.
Internal point
- Decimal
- 31.525700, -110.845200
- DMS
- 31°31'32.52"N 110°50'42.72"W
- UTM
- 12N 514696.5E 3487875.5N
- Geohash
- 9t95mehfx
- Plus code
- 853FG5G3+7W
Towns in Santa Cruz County
One incorporated place of 1,000+ people has residents in Santa Cruz County, 19,965 people together, or 40% of the county. Each figure counts only the part of the town inside Santa Cruz County; towns marked "part" extend into another county. The largest is Nogales with 19,965.
- 01Nogales19,965
Counties bordering Santa Cruz County
The Census 2024 county adjacency file lists 2 neighbors for Santa Cruz County. 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 150.9 miles NNW of Santa Cruz County's internal point in a straight line. The nearest place of 100,000 or more is Tucson, AZ (population 554,013), 43.4 miles away. The nearest place of 10,000 or more is Nogales, AZ (population 19,965), 12.5 miles away.
Santa Cruz County FIPS code
The FIPS code of Santa Cruz County is 04023: state code 04 for Arizona plus county code 023. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $52,400.
Questions people ask
What is the population of Santa Cruz County, Arizona?
The Census Vintage 2024 estimate for July 1, 2024 is 50,508. That is up 2,796 people (5.9%) from the July 2020 estimate of 47,712.
What is the FIPS code of Santa Cruz County?
04023. The first two digits (04) are Arizona; the last three (023) identify the county.
What is the largest town in Santa Cruz County?
Nogales, with 19,965 residents inside Santa Cruz County in 2024.
Which counties border Santa Cruz County?
2 county-equivalents border it in the Census 2024 adjacency file: Pima County, AZ; Cochise County, AZ.
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.