46,085 people (2024 Census estimate, −0.1% since 2020)
459 square miles of land · 101 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.
16 active community water systems list Logan County in the area they serve, reporting 22,351 people served in all (a system that crosses county lines counts its whole population).
| BELLEFONTAINE CITY PWS groundwater · local government · OH4600112 | 13,249 served |
| WEST LIBERTY VILLAGE PWS groundwater · local government · OH4602412 | 1,800 served |
| RUSSELLS POINT VILLAGE PWS groundwater · local government · OH4602212 | 1,651 served |
| DEGRAFF VILLAGE PWS groundwater · local government · OH4600512 | 1,225 served |
| LAKEVIEW VILLAGE PWS groundwater · local government · OH4601512 | 1,083 served |
| BELLE CENTER VILLAGE PWS groundwater · local government · OH4600012 | 834 served |
| WEST MANSFIELD VILLAGE PWS groundwater · local government · OH4602512 | 700 served |
| QUINCY VILLAGE PWS groundwater · local government · OH4601912 | 600 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 44 people were held in Logan County's jail, in Vera's latest figure (2023), or 155 per 100,000 residents ages 15–64. In 2018 it was about 108.
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.
5 school districts have their office in Logan County. School taxes are usually the largest part of a property tax bill.
Spent $36 million — $32.7 million to run schools, about $14,845 per student, plus $1.1 million on buildings and equipment. Money in: $14.3 million local (mostly property tax), $15.3 million state, $6.8 million federal. Long-term debt: $16.3 million.
Spent $22.9 million — $22 million to run schools, about $13,232 per student, plus $489,000 on buildings and equipment. Money in: $13.3 million local (mostly property tax), $8.1 million state, $2.1 million federal. Long-term debt: $1.8 million.
Spent $24.8 million — $21.2 million to run schools, about $15,021 per student, plus $2.5 million on buildings and equipment. Money in: $18.5 million local (mostly property tax), $7.5 million state, $4.4 million federal. Long-term debt: $15.4 million.
Spent $13 million — $9.8 million to run schools, about $15,787 per student, plus $2.9 million on buildings and equipment. Money in: $4.3 million local (mostly property tax), $5.9 million state, $1.9 million federal.
Spent $26.9 million — $17.1 million to run schools, about $43,286 per student, plus $9.1 million on buildings and equipment. Money in: $11.7 million local (mostly property tax), $9.2 million state, $759,000 federal.
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 Logan 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 Low.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
283 bridges in Logan County: 219 in good condition, 61 fair, and 3 poor (1.1%). “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.
| CR 21B over MIAMI RIVER · built 1882 | 816 vehicles a day |
| CR 101 over BRANCH SO FORK MIAMI RIV · built 1934 | 206 vehicles a day |
| TR 30 over STONY CREEK · built 1922 | 150 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $6.7 million of work in Logan County in fiscal 2025, about $145 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 Logan 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 Logan County built: brayden.ozark@gmail.com.
More of Ohio: the state government and every county in Ohio.
Nearby counties: Champaign County (18 mi) · Hardin County (20 mi) · Union County (22 mi) · Shelby County (23 mi) · Auglaize County (27 mi) · Allen County (32 mi).