13,478 people (2024 Census estimate, +1.7% since 2020)
607 square miles of land · 22 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.
12 active community water systems list Osage County in the area they serve, reporting 9,562 people served in all (a system that crosses county lines counts its whole population).
| OSAGE COUNTY PWSD 3 groundwater · local government · MO3024439 | 2,800 served |
| LINN PWS groundwater · local government · MO3010470 | 1,500 served |
| BELLE PWS groundwater · local government · MO3010054 | 1,300 served |
| OSAGE CO PWSD 1 groundwater · local government · MO3024437 | 1,221 served |
| OSAGE COUNTY PWSD 2 NORTH groundwater · local government · MO3024438 | 705 served |
| OSAGE COUNTY PWSD 2 SOUTH groundwater · local government · MO3024441 | 468 served |
| FREEBURG PWS groundwater · local government · MO3010291 | 450 served |
| CHAMOIS PWS groundwater · local government · MO3010155 | 396 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 14 people were held in Osage County's jail, in Vera's latest figure (2019), or 164 per 100,000 residents ages 15–64. In 2014 it was about 10.
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.
3 school districts have their office in Osage County. School taxes are usually the largest part of a property tax bill.
Spent $10 million — $9.5 million to run schools, about $12,580 per student, plus $366,000 on buildings and equipment. Money in: $5.5 million local (mostly property tax), $4.2 million state, $1.5 million federal.
Spent $7.5 million — $7 million to run schools, about $11,039 per student, plus $346,000 on buildings and equipment. Money in: $4.3 million local (mostly property tax), $3.2 million state, $771,000 federal. Long-term debt: $5.8 million.
Spent $2.7 million — $2.6 million to run schools, about $18,407 per student, plus $130,000 on buildings and equipment. Money in: $1.2 million local (mostly property tax), $1.4 million state, $470,000 federal. Long-term debt: $37,000.
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: Very Low compared with other U.S. counties. FEMA estimates natural hazards cost Osage County about $11.6 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Very High; social vulnerability: Relatively Low.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
99 bridges in Osage County: 38 in good condition, 44 fair, and 17 poor (17.2%). “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.
| RT T S over LOOSE CR · built 1966 | 1,281 vehicles a day |
| MO 89 S over INDIAN CR · built 1933 | 929 vehicles a day |
| RT C E over LOOSE CR · built 1966 | 399 vehicles a day |
| RT HH E over BAILEYS CR · built 1938 | 98 vehicles a day |
| COUNTY RD 412 over JAEGER CR · built 1940 | 60 vehicles a day |
| COUNTY RD 611 over MARIES RVR · built 1893 | 50 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $13.4 million of work in Osage County in fiscal 2025, about $1,010 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 Missouri 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 Osage 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 Osage County built: brayden.ozark@gmail.com.
More of Missouri: the state government and every county in Missouri.
Nearby counties: Gasconade County (19 mi) · Maries County (21 mi) · Cole County (23 mi) · Callaway County (26 mi) · Miller County (35 mi) · Montgomery County (39 mi).