Pima County, Arizona

Pima County, Arizona, has 1,074,685 residents (July 2025 estimate). Its county seat is Tucson. It uses Mountain Time and covers 9,189 sq mi (23,799 km²) of land.

PhoenixTucson
Pima County in Arizona
Santa Cruz CountyTucsonCasas AdobesMarana
Pima County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
1,074,685
Land area
9,189 sq mi (23,799 km²)
County seat or government
Tucson
Time zone
Mountain TimeUTC-07:00
Median household income
$70,315 ± $1,089
Median home value
$319,700 ± $3,338
Median rent, with utilities
$1,212 ± $14
Homes lived in by their owners
65.2% ± 0.5 points
County type
County
Metro or micro area
Tucson, AZ metro areaCentral county
Water area
1.97 sq mi (5.11 km²)
State
Arizona
County code (FIPS)
04019
Coordinates (central point)
32.128038, -111.783657

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 Pima County

Time zoneLocal time and UTC offsetNext clock change
Mountain TimeAmerica/PhoenixUTC-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

  1. 8571056,125 people
  2. 8570554,700 people
  3. 8570654,236 people
  4. 8571951,833 people
  5. 8571346,439 people
  6. 8574642,835 people
  7. 8571142,558 people
  8. 8573039,399 people
  9. 8575637,700 people
  10. 8574536,999 people
  11. 8570435,210 people
  12. 8564134,752 people
All 56
  1. 8574133,679 people
  2. 8571632,976 people
  3. 8562931,668 people
  4. 8574231,613 people
  5. 8571231,571 people
  6. 8574331,300 people
  7. 8571828,125 people
  8. 8574727,753 people
  9. 8561425,381 people
  10. 8575024,886 people
  11. 8565323,574 people
  12. 8573722,785 people
  13. 8575721,259 people
  14. 8574820,103 people
  15. 8571519,198 people
  16. 8574918,843 people
  17. 8575518,560 people
  18. 8573918,478 people
  19. 8565816,051 people
  20. 8571414,498 people
  21. 8573510,718 people
  22. 8560210,019 people
  23. 856226,518 people
  24. 857015,498 people
  25. 856345,038 people
  26. 857344,797 people
  27. 857084,312 people
  28. 857364,219 people
  29. 853213,555 people
  30. 856111,454 people
  31. 856451,249 people
  32. 856371,105 people
  33. 85707581 people
  34. 85601268 people
  35. 85723244 people
  36. 85639166 people
  37. 8563348 people
  38. 8534137 people
  39. 856190 people
  40. 856540 people
  41. 857090 people
  42. 857210 people
  43. 857240 people
  44. 857260 people

56 ZIP Code areas overlap Pima 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

We don’t have a website for this county yet. The US government’s local-office directory ↗ lists its offices. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

School districts in Pima County, largest first

  1. Tucson Unified District486,881 people
  2. Amphitheater Unified District145,912 people
  3. Marana Unified District109,560 people
  4. Sunnyside Unified District89,072 people
  5. Vail Unified District75,270 people
  6. Sahuarita Unified District32,648 people
  7. Catalina Foothills Unified District31,531 people
  8. Continental Elementary District30,827 people
  9. Flowing Wells Unified District30,514 people
  10. Tanque Verde Unified District12,020 people
  11. Altar Valley Elementary District6,732 people
  12. Indian Oasis-Baboquivari Unified District5,526 people
All 16
  1. Ajo Unified District3,107 people
  2. Empire Elementary District564 people
  3. Redington Elementary District49 people
  4. San Fernando Elementary District48 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.

Tribal areas in Pima County, largest first

  1. Tohono O'odham Nation Reservation and Off-Reservation Trust Land8,975 people
  2. Pascua Pueblo Yaqui Reservation and Off-Reservation Trust Land3,243 people

American Indian, Alaska Native and Native Hawaiian areas as the Census Bureau maps them, with at least 2% of their area here, water included. These lines don’t decide membership, jurisdiction or land status.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

  1. Tucson, Arizona (city)547,073 people
  2. Casas Adobes, Arizona (CDP)72,059 people
  3. Marana, Arizona (town)56,938 people
  4. Catalina Foothills, Arizona (CDP)52,593 people
  5. Oro Valley, Arizona (town)48,162 people
  6. Sahuarita, Arizona (town)35,862 people
  7. Drexel Heights, Arizona (CDP)27,675 people
  8. Green Valley, Arizona (CDP)22,114 people
  9. Flowing Wells, Arizona (CDP)16,559 people
  10. Vail, Arizona (CDP)16,315 people
  11. Tanque Verde, Arizona (CDP)15,866 people
  12. Valencia West, Arizona (CDP)14,728 people
All 55
  1. Tucson Estates, Arizona (CDP)12,136 people
  2. Tucson Mountains, Arizona (CDP)11,353 people
  3. Corona de Tucson, Arizona (CDP)9,566 people
  4. Picture Rocks, Arizona (CDP)9,448 people
  5. Rincon Valley, Arizona (CDP)6,512 people
  6. Catalina, Arizona (CDP)6,489 people
  7. Avra Valley, Arizona (CDP)6,277 people
  8. Three Points, Arizona (CDP)5,254 people
  9. Summit, Arizona (CDP)4,896 people
  10. South Tucson, Arizona (city)4,550 people
  11. Ajo, Arizona (CDP)3,107 people
  12. Sells, Arizona (CDP)1,935 people
  13. Arivaca Junction, Arizona (CDP)642 people
  14. Santa Rosa, Arizona (CDP)615 people
  15. Nelson, Arizona (CDP)519 people
  16. Elephant Head, Arizona (CDP)481 people
  17. J-Six Ranchettes, Arizona (CDP)419 people
  18. Pisinemo, Arizona (CDP)311 people

See all 55 cities, towns and communities in Pima County, largest first

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Pinal County, Arizona60 mi northeast
  2. Santa Cruz County, Arizona69 mi southeast
  3. Maricopa County, Arizona94 mi northwest
  4. Cochise County, Arizona119 mi east
  5. Graham County, Arizona124 mi northeast
  6. Yuma County, Arizona132 mi west

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.

See this county on Census.gov ↗

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.