23,933 people (2024 Census estimate, +0.8% since 2020)
587 square miles of land · 41 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.
5 active community water systems list Ohio County in the area they serve, reporting 25,573 people served in all (a system that crosses county lines counts its whole population).
| OHIO COUNTY WATER DISTRICT surface water · local government · KY0920332 | 16,511 served |
| BEAVER DAM MUNICIPAL WATER & SEWER groundwater · local government · KY0920025 | 3,531 served |
| HARTFORD MUNICIPAL WATER WORKS surface water · local government · KY0920181 | 3,119 served |
| CENTERTOWN WATER SYSTEM buys surface water · local government · KY0920070 | 1,485 served |
| FORDSVILLE WATER DISTRICT buys surface water · local government · KY0920136 | 927 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 16 people were held in Ohio County's jail, in Vera's latest figure (2021), or 109 per 100,000 residents ages 15–64. In 2016 it was about 50.
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.
1 school district has its office in Ohio County. School taxes are usually the largest part of a property tax bill.
Spent $51.3 million — $46.7 million to run schools, about $11,933 per student, plus $3.4 million on buildings and equipment. Money in: $10.8 million local (mostly property tax), $33.8 million state, $10.6 million federal. Long-term debt: $12.6 million.
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 Low compared with other U.S. counties. FEMA estimates natural hazards cost Ohio County about $13.9 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively Moderate; social vulnerability: Relatively High.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
227 bridges in Ohio County: 26 in good condition, 185 fair, and 16 poor (7.0%). “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.
| WK-9001 over INDIAN CAMP CREEK · built 1963 | 7,571 vehicles a day |
| KY-54 over W FK ADAMS FORK · built 1926 | 3,909 vehicles a day |
| KY-54 over BR OF MILL CREEK · built 1926 | 2,275 vehicles a day |
| KY-136 over BARNETT CREEK · built 1932 | 951 vehicles a day |
| KY-2718 over BRANCH OF THREELICK FORK · built 1965 | 672 vehicles a day |
| KY-764 over SOUTH FORK PANTHER CREEK · built 1963 | 590 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $29.2 million of work in Ohio County in fiscal 2025, about $1,229 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 Kentucky 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 Ohio 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 Ohio County built: brayden.ozark@gmail.com.
More of Kentucky: the state government and every county in Kentucky.
Nearby counties: Butler County (21 mi) · Daviess County (22 mi) · McLean County (23 mi) · Muhlenberg County (24 mi) · Hancock County (25 mi) · Grayson County (27 mi).