99,823 people (2024 Census estimate, −1.8% since 2020)
532 square miles of land · 188 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.
17 active community water systems list Columbiana County in the area they serve, reporting 59,327 people served in all (a system that crosses county lines counts its whole population).
| SALEM CITY surface water · local government · OH1502011 | 16,850 served |
| EAST LIVERPOOL CITY surface water · local government · OH1500811 | 12,586 served |
| BUCKEYE WATER DISTRICT - OHIO RIVER surface water · private · OH1502911 | 10,300 served |
| COLUMBIANA CITY PWS groundwater · local government · OH1500312 | 6,727 served |
| EAST PALESTINE VILLAGE PWS groundwater · local government · OH1500912 | 4,761 served |
| LISBON VILLAGE groundwater · local government · OH1501512 | 2,821 served |
| LEETONIA VILLAGE PWS buys surface water · local government · OH1501412 | 1,833 served |
| NEW WATERFORD VILLAGE PWS groundwater · local government · OH1501722 | 1,238 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 164 people were held in Columbiana County's jail, in Vera's latest figure (2023), or 268 per 100,000 residents ages 15–64. In 2018 it was about 246.
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.
12 school districts have their office in Columbiana County. School taxes are usually the largest part of a property tax bill.
Spent $35.3 million — $33.4 million to run schools, about $17,210 per student, plus $842,000 on buildings and equipment. Money in: $6.1 million local (mostly property tax), $21.7 million state, $9.2 million federal. Long-term debt: $7.5 million.
Spent $27.8 million — $24.5 million to run schools, about $12,671 per student, plus $1.9 million on buildings and equipment. Money in: $12.4 million local (mostly property tax), $11.6 million state, $6.2 million federal. Long-term debt: $477,000.
Spent $22.4 million — $20.9 million to run schools, about $12,403 per student, plus $500,000 on buildings and equipment. Money in: $9.9 million local (mostly property tax), $11.6 million state, $2.1 million federal. Long-term debt: $16.5 million.
Spent $17.4 million — $15.7 million to run schools, about $13,084 per student, plus $726,000 on buildings and equipment. Money in: $8 million local (mostly property tax), $9.4 million state, $2.2 million federal. Long-term debt: $16.4 million.
Spent $19.2 million — $16 million to run schools, about $14,745 per student, plus $2.6 million on buildings and equipment. Money in: $10.3 million local (mostly property tax), $17.3 million state, $1.5 million federal. Long-term debt: $34.3 million.
Spent $16.8 million — $13.7 million to run schools, about $13,281 per student, plus $2.3 million on buildings and equipment. Money in: $9.8 million local (mostly property tax), $5 million state, $1.4 million federal. Long-term debt: $10.7 million.
Spent $15.5 million — $13.5 million to run schools, about $13,632 per student, plus $1.1 million on buildings and equipment. Money in: $5.4 million local (mostly property tax), $8.2 million state, $2.1 million federal. Long-term debt: $386,000.
Spent $17.3 million — $15.3 million to run schools, about $18,695 per student, plus $875,000 on buildings and equipment. Money in: $6.8 million local (mostly property tax), $9.5 million state, $2.4 million federal. Long-term debt: $430,000.
And 4 more.
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 Columbiana County about $25.1 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively High; social vulnerability: Relatively Moderate.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
324 bridges in Columbiana County: 190 in good condition, 122 fair, and 12 poor (3.7%). “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 30 & SR 7 over HILL AVE TWP RD 1082 · built 1964 | 20,444 vehicles a day |
| US 30 over CARPENTERS RUN · built 1963 | 13,000 vehicles a day |
| SR 172 over MIDDLE BR SANDY CREEK · built 1972 | 3,323 vehicles a day |
| SR 170 over N FORK LITTLE BEAVER CR · built 1990 | 2,497 vehicles a day |
| HUNSTON RD 443 over LESLIE RUN · built 1940 | 1,561 vehicles a day |
| PENNSYLVANIA AVE over MID FORK LTTL BEAVER CRK · built 1970 | 1,500 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $39 million of work in Columbiana County in fiscal 2025, about $383 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 Columbiana 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 Columbiana County built: brayden.ozark@gmail.com.
More of Ohio: the state government and every county in Ohio.
Nearby counties: Mahoning County (17 mi) · Hancock County, WV (21 mi) · Carroll County (21 mi) · Beaver County, PA (23 mi) · Jefferson County (26 mi) · Lawrence County, PA (28 mi).