26,460 people (2024 Census estimate, −0.9% since 2020)
395 square miles of land · 67 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.
6 active community water systems list Carroll County in the area they serve, reporting 6,982 people served in all (a system that crosses county lines counts its whole population).
| CARROLLTON VILLAGE groundwater · local government · OH1000012 | 3,055 served |
| AQUA OHIO - MOHAWK PWS groundwater · private · OH1000812 | 2,376 served |
| MALVERN VILLAGE PWS groundwater · local government · OH1000112 | 1,200 served |
| ROCKWOOD PARK groundwater · private · OH1000612 | 200 served |
| PRIDE VALLEY MHP groundwater · private · OH1000512 | 100 served |
| GREEN ACRES MOBILE ESTATES groundwater · private · OH1000412 | 51 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 13 people were held in Carroll County's jail, in Vera's latest figure (2023), or 80 per 100,000 residents ages 15–64. In 2018 it was about 23.
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 Carroll County. School taxes are usually the largest part of a property tax bill.
Spent $33.3 million — $28.7 million to run schools, about $15,700 per student, plus $3.1 million on buildings and equipment. Money in: $17.9 million local (mostly property tax), $13.9 million state, $5 million federal. Long-term debt: $20.9 million.
Spent $11.1 million — $10 million to run schools, about $17,034 per student, plus $167,000 on buildings and equipment. Money in: $7.6 million local (mostly property tax), $4 million state, $1.5 million federal. Long-term debt: $14.9 million.
Spent $16.9 million — $10.8 million to run schools, about $21,002 per student, plus $4.7 million on buildings and equipment. Money in: $8.8 million local (mostly property tax), $3.2 million state, $1.9 million federal. Long-term debt: $22.4 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: Very Low compared with other U.S. counties. FEMA estimates natural hazards cost Carroll County about $6.4 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively Moderate; social vulnerability: Relatively Moderate.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
125 bridges in Carroll County: 54 in good condition, 64 fair, and 7 poor (5.6%). “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.
| SR 39 over S BR OF FRIDAY CR · built 1927 | 3,159 vehicles a day |
| COUNTY RD 27 over CENTER FORK DRAKE BN04 · built 1960 | 373 vehicles a day |
| ORANGE TWP 111 over CONNOTTON CR HADORN BN07 · built 1955 | 324 vehicles a day |
| GRANT BOULIVARD over BIG SANDY CREEK · built 1964 | 250 vehicles a day |
| MON TWP RD 158 over INDIAN FORK EASTERDOY 30 · built 1975 | 209 vehicles a day |
| ROSE TWP RD 180 over BIG SANDY BR RRARCH BN35 · built 1910 | 209 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $984,293 of work in Carroll County in fiscal 2025, about $37 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 Carroll 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 Carroll County built: brayden.ozark@gmail.com.
More of Ohio: the state government and every county in Ohio.
Nearby counties: Harrison County (20 mi) · Columbiana County (21 mi) · Jefferson County (21 mi) · Stark County (22 mi) · Tuscarawas County (22 mi) · Hancock County, WV (28 mi).