513,862 people (2024 Census estimate, +19.4% since 2020)
5,367 square miles of land · 96 people per square mile
“Highest” and “lowest” are just order, not grades: a high rank for poverty or hazard losses means more of it. Each figure's source is in its section below.
64 active community water systems list Pinal County in the area they serve, reporting 501,275 people served in all (a system that crosses county lines counts its whole population).
| ARIZONA WATER CO - PINAL VALLEY groundwater · private · AZ0411009 | 134,432 served |
| EPCOR - SAN TAN groundwater · private · AZ0411128 | 87,435 served |
| GW SANTA CRUZ WATER CO groundwater · private · AZ0411131 | 84,000 served |
| ARIZONA WATER CO - APACHE JUNCTION groundwater · private · AZ0411004 | 62,055 served |
| LAGO DEL ORO WATER COMPANY groundwater · private · AZ0411117 | 18,132 served |
| APACHE JUNCTION WATER DISTRICT surface water · local government · AZ0411039 | 15,610 served |
| FLORENCE WATER COMPANY groundwater · local government · AZ0411017 | 14,593 served |
| ARIZONA WATER CO - ORACLE groundwater · private · AZ0411019 | 10,585 served |
Source: U.S. EPA Safe Drinking Water Information System (SDWIS), active community systems, . Look up any system's violations and test results with EPA's search using its ID.
About 520 people were held in Pinal County's jail, in Vera's latest figure (2023), or 176 per 100,000 residents ages 15–64. In 2018 it was about 496.
Source: Vera Institute of Justice, Incarceration Trends (built from federal Bureau of Justice Statistics jail surveys). Counties without their own jail, or that share one, may show no figure.
21 school districts have their office in Pinal County. School taxes are usually the largest part of a property tax bill.
Spent $104.2 million — $93.2 million to run schools, about $10,253 per student, plus $7.6 million on buildings and equipment. Money in: $29.9 million local (mostly property tax), $66.6 million state, $20 million federal. Long-term debt: $53.5 million.
Spent $115 million — $84.3 million to run schools, about $9,656 per student, plus $29.6 million on buildings and equipment. Money in: $23.5 million local (mostly property tax), $82.1 million state, $21.4 million federal. Long-term debt: $19.9 million.
Spent $79.4 million — $66.1 million to run schools, about $10,054 per student, plus $11.6 million on buildings and equipment. Money in: $18 million local (mostly property tax), $49.4 million state, $18.8 million federal. Long-term debt: $35.3 million.
Spent $48 million — $42 million to run schools, about $9,542 per student, plus $3.5 million on buildings and equipment. Money in: $15.7 million local (mostly property tax), $29.2 million state, $6.9 million federal. Long-term debt: $38 million.
Spent $55.8 million — $47 million to run schools, about $11,749 per student, plus $8.5 million on buildings and equipment. Money in: $22.2 million local (mostly property tax), $30.8 million state, $6 million federal. Long-term debt: $12.4 million.
Spent $45.3 million — $34.6 million to run schools, about $11,458 per student, plus $10.4 million on buildings and equipment. Money in: $19 million local (mostly property tax), $15.9 million state, $16.7 million federal. Long-term debt: $13.5 million.
Spent $33.8 million — $27.6 million to run schools, about $10,685 per student, plus $5.3 million on buildings and equipment. Money in: $10.4 million local (mostly property tax), $15.6 million state, $10.2 million federal. Long-term debt: $20.8 million.
Spent $11.6 million — $10.7 million to run schools, about $9,411 per student, plus $870,000 on buildings and equipment. Money in: $1.7 million local (mostly property tax), $7.8 million state, $2.5 million federal.
And 13 more.
Source: U.S. Census Bureau, 2023 Annual Survey of School System Finances. Districts are listed by the county of their main office; some serve neighboring counties too.
Source: County Health Rankings & Roadmaps 2025 (University of Wisconsin Population Health Institute), which gathers federal data (CDC, Census, and others); measures cover different recent years. Blank lines aren't reported for small counties.
Overall risk: Relatively Moderate compared with other U.S. counties. FEMA estimates natural hazards cost Pinal County about $137.5 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Very Low; social vulnerability: Relatively Moderate.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
717 bridges in Pinal County: 454 in good condition, 256 fair, and 7 poor (1.0%). “Poor” means a main part — the deck, the beams, or the supports — is rated 4 or lower on the federal 0–9 scale. It doesn't mean unsafe to drive; unsafe bridges are closed.
| US 60 over Waterfall Canyon · built 1929 | 8,079 vehicles a day |
| US 60 over Queen Creek · built 1949 | 8,079 vehicles a day |
| IRR BIA RTE 15 over WASH · built 1965 | 1,100 vehicles a day |
| Selma Highway over Casa Grande Canal Ext · built 1900 | 450 vehicles a day |
| BIA ROUTE 3 over E-SPILLWAY COOLIDGE DAM · built 1928 | 390 vehicles a day |
| OLD STATE RTE 87A over GILA RIVER · built 1925 | 200 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $245.8 million of work in Pinal County in fiscal 2025, about $578 per resident — to the county, cities, schools, hospitals, nonprofits and others.
Source: USAspending.gov, grants by place of performance, fiscal 2025 (Oct. 2024 to Sept. 2025). Search it by county to see each award.
From Grants.gov: posted grants listing county governments as eligible, soonest deadline first; research-only and overseas programs left out; list updated 2026-10-13, refreshed weekly. 62 are open in all. Cities, towns, school districts and nonprofits have their own lists there.
General election: Tuesday, November 3, 2026. Last day to register to vote: 2026-10-05. Early voting: 2026-10-07 to 2026-10-30. Last day to request a ballot by mail: 2026-10-23. Last suggested day to mail your ballot back: 2026-10-27. Election Day: 2026-11-03.
Source: Arizona Secretary of State, Sept. 4, 2026 · Arizona Secretary of State — 2025–2026 master elections calendar (PDF) · Arizona Secretary of State — election calendar
The budget, property tax rates, audits, local officials and offices for Pinal County come from the county's own records, which we haven't gathered — not gathered, never hidden. See what a full county site looks like, or ask to have Pinal County built: brayden.ozark@gmail.com.
More of Arizona: the state government and every county in Arizona.
Nearby counties: Pima County (60 mi) · Gila County (68 mi) · Maricopa County (72 mi) · Graham County (86 mi) · Santa Cruz County (101 mi) · Cochise County (118 mi).