693,514 people (2024 Census estimate, +3.4% since 2020)
570 square miles of land · 1,216 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.
15 active community water systems list Tulsa County in the area they serve, reporting 666,353 people served in all (a system that crosses county lines counts its whole population).
| TULSA surface water · local government · OK1020418 | 413,000 served |
| BROKEN ARROW MUNICIPAL AUTHORITY surface water · local government · OK1021508 | 116,330 served |
| SAND SPRINGS surface water · local government · OK1020420 | 28,774 served |
| WASHINGTON CO RWD #3 (NEW,#1) surface water · local government · OK1021418 | 25,375 served |
| OWASSO buys surface water · local government · OK3007218 | 23,000 served |
| BIXBY PUBLIC WORKS AUTHORITY buys surface water · local government · OK3007243 | 18,750 served |
| JENKS PWA buys surface water · local government · OK3007201 | 16,924 served |
| GLENPOOL WATER buys surface water · local government · OK3007223 | 12,500 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 4 people were held in Tulsa County's jail, in Vera's latest figure (2024), or 1 per 100,000 residents ages 15–64. In 2019 it was about 1,440.
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.
14 school districts have their office in Tulsa County. School taxes are usually the largest part of a property tax bill.
Spent $482.7 million — $402.1 million to run schools, about $11,873 per student, plus $74.5 million on buildings and equipment. Money in: $245.8 million local (mostly property tax), $145.1 million state, $107.4 million federal. Long-term debt: $287 million.
Spent $228 million — $176.5 million to run schools, about $8,777 per student, plus $46.4 million on buildings and equipment. Money in: $104.6 million local (mostly property tax), $98.7 million state, $21.1 million federal. Long-term debt: $112.2 million.
Spent $190.9 million — $168.8 million to run schools, about $11,334 per student, plus $13.9 million on buildings and equipment. Money in: $110.4 million local (mostly property tax), $79.6 million state, $30.8 million federal. Long-term debt: $93.4 million.
Spent $157.8 million — $128.9 million to run schools, about $10,187 per student, plus $21.9 million on buildings and equipment. Money in: $94.4 million local (mostly property tax), $55.9 million state, $13.5 million federal. Long-term debt: $105 million.
Spent $110.8 million — $92.2 million to run schools, about $9,409 per student, plus $17.1 million on buildings and equipment. Money in: $60.9 million local (mostly property tax), $42.4 million state, $9.8 million federal. Long-term debt: $55.3 million.
Spent $89 million — $75.4 million to run schools, about $9,662 per student, plus $11.8 million on buildings and equipment. Money in: $59.3 million local (mostly property tax), $32.2 million state, $4.6 million federal. Long-term debt: $58.1 million.
Spent $60.3 million — $53 million to run schools, about $10,242 per student, plus $6.7 million on buildings and equipment. Money in: $19 million local (mostly property tax), $31.1 million state, $9.9 million federal. Long-term debt: $18.3 million.
Spent $34.5 million — $28.3 million to run schools, about $9,100 per student, plus $6.1 million on buildings and equipment. Money in: $13 million local (mostly property tax), $17.8 million state, $3.5 million federal. Long-term debt: $3.6 million.
And 6 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 Tulsa County about $292.1 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively Moderate; social vulnerability: Relatively Moderate.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
1,140 bridges in Tulsa County: 530 in good condition, 546 fair, and 64 poor (5.6%). “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.
| KENOSHA ST. over FLORAL HAVEN CREEK · built 1999 | 23,380 vehicles a day |
| FAU 8300(E 31ST S over MINGO CREEK · built 1965 | 19,481 vehicles a day |
| FAU 8300(E.31ST.) over BROOKHOLLOW CREEK · built 1975 | 19,279 vehicles a day |
| FAU 8220 (E 71ST S over JOE CREEK · built 1965 | 14,523 vehicles a day |
| FAU 8140 (111 ST S over FRY DITCH CREEK #2 · built 1950 | 14,386 vehicles a day |
| FAU 8320 (W 23 ST) over U.P. R.R. UNDER · built 1981 | 12,200 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $242 million of work in Tulsa County in fiscal 2025, about $362 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 Tulsa 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 Tulsa County built: brayden.ozark@gmail.com.
More of Oklahoma: the state government and every county in Oklahoma.
Nearby counties: Rogers County (26 mi) · Wagoner County (26 mi) · Creek County (29 mi) · Okmulgee County (33 mi) · Washington County (40 mi) · Mayes County (41 mi).