Santa Cruz County, Arizona
Santa Cruz County, Arizona, has 50,020 residents (July 2025 estimate). Its county seat is Nogales. It uses Mountain Time and covers 1,236 sq mi (3,202 km²) of land.
- Resident population, July 2025
- 50,020
- Land area
- 1,236 sq mi (3,202 km²)
- County seat or government
- Nogales
- Time zone
- Mountain TimeUTC-07:00
- Median household income
- $55,217 ± $4,149
- Median home value
- $233,000 ± $7,183
- Median rent, with utilities
- $829 ± $52
- Homes lived in by their owners
- 69.3% ± 2.0 points
- County type
- County
- Metro or micro area
- Nogales, AZ micro areaCentral county
- Water area
- 1.18 sq mi (3.07 km²)
- State
- Arizona
- County code (FIPS)
- 04023
- Coordinates (central point)
- 31.525733, -110.845228
These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.
Time zones in Santa Cruz County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| Mountain TimeAmerica/Phoenix | UTC-07:00. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.
ZIP Code areas, largest first
- 8561425,381 people
- 8564822,118 people
- 8562121,593 people
- 856241,546 people
- 856111,454 people
- 856461,345 people
- 856451,249 people
- 856371,105 people
- 85640207 people
9 ZIP Code areas overlap Santa Cruz County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.
Official county information
Santa Cruz County government website ↗ is the next stop for county offices, tax, voting, jury and records information. A geographic lookup cannot determine eligibility, tax liability or a court obligation.
School districts in Santa Cruz County, largest first
- Santa Cruz Valley Unified District21,272 people
- Nogales Unified District20,722 people
- Patagonia Union High School District3,762 people
- Santa Cruz Elementary District3,170 people
- Sonoita Elementary District2,159 people
- Patagonia Elementary District1,603 people
Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.
Cities, towns and communities, largest first
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
- Rio Rico, Arizona (CDP)22,017 people
- Nogales, Arizona (city)19,841 people
- Tubac, Arizona (CDP)1,294 people
- Patagonia, Arizona (town)946 people
- Sonoita, Arizona (CDP)663 people
- Elgin, Arizona (CDP)349 people
- Tumacacori-Carmen, Arizona (CDP)207 people
- Kino Springs, Arizona (CDP)173 people
- Beyerville, Arizona (CDP)61 people
- Amado, Arizona (CDP)53 people
Bordering areas, nearest first
Distances are straight lines between map points.
- Cochise County, Arizona67 mi east
- Pima County, Arizona69 mi northwest
Before using this answer on a form
Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.
Find the county where you are now, check its ZIP area, or check the time zone where you are.
Areas that only touch the edge
These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.