816,490 people (2024 Census estimate, +2.3% since 2020)
709 square miles of land · 1,152 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.
40 active community water systems list Oklahoma County in the area they serve, reporting 879,321 people served in all (a system that crosses county lines counts its whole population).
| OKLAHOMA CITY surface water · local government · OK1020902 | 644,000 served |
| EDMOND PWA surface water · local government · OK1020723 | 79,408 served |
| MIDWEST CITY surface water · local government · OK1020806 | 55,935 served |
| TINKER AIR FORCE BASE groundwater · federal · OK2005508 | 24,645 served |
| DEL CITY surface water · local government · OK1020805 | 22,128 served |
| BETHANY groundwater (surface-influenced) · local government · OK2005519 | 20,307 served |
| DEER CREEK RURAL WATER CORP groundwater · private · OK2005504 | 5,500 served |
| HARRAH groundwater · local government · OK2005506 | 4,190 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 1,291 people were held in Oklahoma County's jail, in Vera's latest figure (2024), or 248 per 100,000 residents ages 15–64. In 2019 it was about 1,910.
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.
15 school districts have their office in Oklahoma County. School taxes are usually the largest part of a property tax bill.
Spent $519.9 million — $443.3 million to run schools, about $13,335 per student, plus $72.8 million on buildings and equipment. Money in: $179 million local (mostly property tax), $167.7 million state, $121.6 million federal. Long-term debt: $153.5 million.
Spent $288.7 million — $247.2 million to run schools, about $9,439 per student, plus $36.3 million on buildings and equipment. Money in: $190.7 million local (mostly property tax), $93.7 million state, $31.6 million federal. Long-term debt: $214.6 million.
Spent $226.1 million — $202.8 million to run schools, about $10,727 per student, plus $19.9 million on buildings and equipment. Money in: $101.2 million local (mostly property tax), $101.7 million state, $37.5 million federal. Long-term debt: $85.7 million.
Spent $146.2 million — $129.2 million to run schools, about $10,270 per student, plus $15.7 million on buildings and equipment. Money in: $52.5 million local (mostly property tax), $66 million state, $28.4 million federal. Long-term debt: $43.6 million.
Spent $83.1 million — $63 million to run schools, about $8,249 per student, plus $18.2 million on buildings and equipment. Money in: $54.1 million local (mostly property tax), $28.2 million state, $5.8 million federal. Long-term debt: $35.2 million.
Spent $64.6 million — $49.9 million to run schools, about $8,587 per student, plus $14.1 million on buildings and equipment. Money in: $26.9 million local (mostly property tax), $29.4 million state, $4.8 million federal. Long-term debt: $28.1 million.
Spent $49.2 million — $39.7 million to run schools, about $13,887 per student, plus $8.8 million on buildings and equipment. Money in: $31 million local (mostly property tax), $7.5 million state, $11.8 million federal. Long-term debt: $36 million.
Spent $26.1 million — $18.4 million to run schools, about $8,320 per student, plus $7.6 million on buildings and equipment. Money in: $9.9 million local (mostly property tax), $12 million state, $4 million federal. Long-term debt: $5.1 million.
And 7 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 High compared with other U.S. counties. FEMA estimates natural hazards cost Oklahoma County about $297.5 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively Low; social vulnerability: Relatively Moderate.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
1,214 bridges in Oklahoma County: 438 in good condition, 696 fair, and 80 poor (6.6%). “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.
| I-240 over I-35 UNDER · built 1959 | 99,100 vehicles a day |
| NW 122ND ST. over SPRING CREEK · built 1971 | 22,800 vehicles a day |
| MAY AVE. over NORTHWEST EXPY UNDER · built 1952 | 22,000 vehicles a day |
| SHIELDS BLVD. over ST. RIVER/BNSF R.R. UND · built 1980 | 21,500 vehicles a day |
| SE 29TH ST(1090) over CRUTCHO CREEK · built 1942 | 20,500 vehicles a day |
| S.W 59TH STREET over LIGHTNING CREEK · built 1945 | 20,000 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $1.2 billion of work in Oklahoma County in fiscal 2025, about $1,511 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.
Registration deadlines, early voting and polling places for Oklahoma are on the federal site vote.gov, which links to the state's official election office.
The budget, property tax rates, audits, local officials and offices for Oklahoma 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 Oklahoma County built: brayden.ozark@gmail.com.
More of Oklahoma: the state government and every county in Oklahoma.
Nearby counties: Cleveland County (25 mi) · Logan County (25 mi) · Lincoln County (31 mi) · Canadian County (32 mi) · Pottawatomie County (35 mi) · McClain County (37 mi).