63,848 people (2024 Census estimate, +1.7% since 2020)
525 square miles of land · 121 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 Knox County in the area they serve, reporting 31,803 people served in all (a system that crosses county lines counts its whole population).
| MOUNT VERNON CITY PWS groundwater · private · OH4200812 | 16,990 served |
| KNOX COUNTY WATER AND WASTEWATER PWS groundwater · private · OH4202012 | 8,250 served |
| FREDERICKTOWN VILLAGE groundwater · local government · OH4200212 | 2,648 served |
| GAMBIER VILLAGE PWS buys groundwater · local government · OH4200403 | 2,300 served |
| DANVILLE VILLAGE PWS groundwater · local government · OH4200112 | 994 served |
| MARTINSBURG VILLAGE PWS groundwater · local government · OH4202312 | 240 served |
| WESTGATE MOBILE HOME COMMUNITY buys groundwater · private · OH4201712 | 150 served |
| COLONIAL TERRACE MHC LLC groundwater · private · OH4201512 | 110 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 87 people were held in Knox County's jail, in Vera's latest figure (2023), or 223 per 100,000 residents ages 15–64. In 2018 it was about 82.
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.
6 school districts have their office in Knox County. School taxes are usually the largest part of a property tax bill.
Spent $52.6 million — $48.5 million to run schools, about $13,724 per student, plus $2.7 million on buildings and equipment. Money in: $25 million local (mostly property tax), $20.5 million state, $8.2 million federal. Long-term debt: $2.3 million.
Spent $15.5 million — $14.3 million to run schools, about $12,577 per student, plus $897,000 on buildings and equipment. Money in: $6.3 million local (mostly property tax), $7.8 million state, $3.2 million federal. Long-term debt: $2.9 million.
Spent $14.3 million — $13.6 million to run schools, about $12,993 per student, plus $414,000 on buildings and equipment. Money in: $7.2 million local (mostly property tax), $7.2 million state, $1.1 million federal. Long-term debt: $865,000.
Spent $22 million — $12.7 million to run schools, about $13,789 per student, plus $8.2 million on buildings and equipment. Money in: $11.9 million local (mostly property tax), $4.4 million state, $5 million federal. Long-term debt: $25.1 million.
Spent $10.1 million — $8.5 million to run schools, about $13,990 per student, plus $1.5 million on buildings and equipment. Money in: $4.3 million local (mostly property tax), $5.4 million state, $1.4 million federal. Long-term debt: $315,000.
Spent $15.3 million — $12.1 million to run schools, about $25,566 per student, plus $1.6 million on buildings and equipment. Money in: $6.5 million local (mostly property tax), $7.1 million state, $2.3 million federal. Long-term debt: $5.8 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 Knox County about $18.8 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Very High; social vulnerability: Relatively High.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
275 bridges in Knox County: 149 in good condition, 113 fair, and 13 poor (4.7%). “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.
| US 62 over TRIB OF E BR JELLOWAY CR · built 1932 | 2,126 vehicles a day |
| HOWARD DANVILLE over LITTLE JELLOWAY CREEK · built 1915 | 1,277 vehicles a day |
| SR 514 over TRIB OF MOHICAN RIVER · built 1995 | 836 vehicles a day |
| MILLWOOD ROAD over KOKOSING RIVER · built 1900 | 355 vehicles a day |
| SHADLEY VALLEY over SHADLEY VALLEY CREEK · built 1970 | 324 vehicles a day |
| PLEASANT VALLEY over DRY RUN · built 1985 | 324 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $18.1 million of work in Knox County in fiscal 2025, about $288 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 Ohio 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 Knox 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 Knox County built: brayden.ozark@gmail.com.
More of Ohio: the state government and every county in Ohio.
Nearby counties: Morrow County (21 mi) · Licking County (22 mi) · Richland County (26 mi) · Coshocton County (27 mi) · Holmes County (28 mi) · Ashland County (31 mi).