225,786 people (2024 Census estimate, −1.0% since 2020)
411 square miles of land · 549 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.
11 active community water systems list Mahoning County in the area they serve, reporting 207,429 people served in all (a system that crosses county lines counts its whole population).
| YOUNGSTOWN CITY PWS buys surface water · local government · OH5002303 | 130,530 served |
| AQUA OHIO - STRUTHERS surface water · private · OH5001611 | 58,551 served |
| CANFIELD CITY PWS buys surface water · local government · OH5000503 | 7,706 served |
| SEBRING VILLAGE PWS surface water · local government · OH5001911 | 6,058 served |
| JACKSON/MILTON METRO WATER DISTRICT PWS buys surface water · local government · OH5054212 | 3,728 served |
| COLONIAL VILLA MHC, LLC groundwater · private · OH5000612 | 450 served |
| DEER MEADOWS MHP groundwater · private · OH5001212 | 242 served |
| M AND C MOBILE HOME PARK groundwater · private · OH5000912 | 58 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 424 people were held in Mahoning County's jail, in Vera's latest figure (2023), or 311 per 100,000 residents ages 15–64. In 2018 it was about 520.
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.
15 school districts have their office in Mahoning County. School taxes are usually the largest part of a property tax bill.
Spent $138.4 million — $115 million to run schools, about $24,791 per student, plus $14.3 million on buildings and equipment. Money in: $30.2 million local (mostly property tax), $71.6 million state, $36.5 million federal. Long-term debt: $10.8 million.
Spent $58.3 million — $51.8 million to run schools, about $12,617 per student, plus $4.8 million on buildings and equipment. Money in: $24.8 million local (mostly property tax), $25.7 million state, $8 million federal. Long-term debt: $42.2 million.
Spent $57.9 million — $51.8 million to run schools, about $13,889 per student, plus $3.9 million on buildings and equipment. Money in: $42.6 million local (mostly property tax), $12.8 million state, $9.1 million federal. Long-term debt: $6.2 million.
Spent $33.7 million — $32.2 million to run schools, about $12,897 per student, plus $1.2 million on buildings and equipment. Money in: $23.5 million local (mostly property tax), $8.1 million state, $2.4 million federal. Long-term debt: $359,000.
Spent $23.2 million — $21.7 million to run schools, about $12,168 per student, plus $1.2 million on buildings and equipment. Money in: $9.1 million local (mostly property tax), $13.4 million state, $2.9 million federal. Long-term debt: $1.2 million.
Spent $24.3 million — $22.1 million to run schools, about $12,435 per student, plus $1.2 million on buildings and equipment. Money in: $16.2 million local (mostly property tax), $7.3 million state, $1.4 million federal. Long-term debt: $487,000.
Spent $24 million — $22 million to run schools, about $13,212 per student, plus $1.5 million on buildings and equipment. Money in: $7 million local (mostly property tax), $15.6 million state, $5.2 million federal. Long-term debt: $310,000.
Spent $16.3 million — $15.5 million to run schools, about $12,746 per student, plus $176,000 on buildings and equipment. Money in: $9 million local (mostly property tax), $7.1 million state, $1.1 million federal. Long-term debt: $13 million.
And 7 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 Moderate compared with other U.S. counties. FEMA estimates natural hazards cost Mahoning County about $42.5 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.
348 bridges in Mahoning County: 194 in good condition, 135 fair, and 19 poor (5.5%). “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.
| WESTERN RESERVE over YELLOW CREEK · built 1939 | 16,431 vehicles a day |
| I76 OH TPK WB over EVANS LAKE & YELLOW CR · built 1954 | 9,200 vehicles a day |
| SOUTH AVE (CR151) over YOUNGSTOWN & SOUTHERN RR · built 1957 | 9,100 vehicles a day |
| I76 OH TPK EB over MILL CREEK · built 1954 | 8,300 vehicles a day |
| I76 OH TPK WB over MILL CREEK · built 1954 | 8,200 vehicles a day |
| FOUR MILE RUN RD. over FOUR MILE RUN · built 1931 | 6,047 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $65.7 million of work in Mahoning County in fiscal 2025, about $287 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 Mahoning 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 Mahoning County built: brayden.ozark@gmail.com.
More of Ohio: the state government and every county in Ohio.
Nearby counties: Columbiana County (17 mi) · Trumbull County (20 mi) · Lawrence County, PA (23 mi) · Portage County (25 mi) · Beaver County, PA (31 mi) · Mercer County, PA (34 mi).