41,090 people (2024 Census estimate, −2.9% since 2020)
106 square miles of land · 388 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.
10 active community water systems list Ohio County in the area they serve, reporting 44,754 people served in all (a system that crosses county lines counts its whole population).
| WHEELING surface water · local government · WV3303516 | 29,899 served |
| OHIO COUNTY PSD buys surface water · local government · WV3303508 | 6,297 served |
| BETHLEHEM buys surface water · local government · WV3303514 | 2,968 served |
| OHIO COUNTY PSD NO. 3 buys surface water · local government · WV3303520 | 2,657 served |
| OHIO COUNTY PSD NO 2 buys surface water · local government · WV3303519 | 1,153 served |
| TRIADELPHIA WATER DEPT buys surface water · local government · WV3303512 | 979 served |
| VALLEY GROVE WATER DEPT buys surface water · local government · WV3303513 | 610 served |
| OHIO COUNTY PSD NO 5 buys surface water · local government · WV3303522 | 90 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 102 people were held in Ohio County's jail, in Vera's latest figure (2024), or 407 per 100,000 residents ages 15–64. In 2019 it was about 101.
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 $94.8 million — $79.7 million to run schools, about $16,098 per student, plus $13.1 million on buildings and equipment. Money in: $45.5 million local (mostly property tax), $38.8 million state, $8.2 million federal. Long-term debt: $35.8 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 $31.5 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.
114 bridges in Ohio County: 22 in good condition, 66 fair, and 26 poor (22.8%). “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.
| Interstate 70 EB over Wheeling Creek & City St · built 1966 | 28,082 vehicles a day |
| Interstate 70 over Mid.Whg Crk US40 Cty St · built 1970 | 21,750 vehicles a day |
| Interstate 70 EB over County Route 41 · built 1965 | 16,850 vehicles a day |
| Washington Avenue over Wheeling Creek · built 1900 | 7,500 vehicles a day |
| West Virginia 88 over Wheeling Creek · built 1948 | 7,300 vehicles a day |
| WV Route 251 over Ohio River · built 1849 | 5,234 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $35.2 million of work in Ohio County in fiscal 2025, about $830 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 West Virginia 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 West Virginia: the state government and every county in West Virginia.
Nearby counties: Brooke County (12 mi) · Marshall County (17 mi) · Belmont County, OH (19 mi) · Washington County, PA (21 mi) · Jefferson County, OH (22 mi) · Greene County, PA (27 mi).