25,361 people (2024 Census estimate, +0.7% since 2020)
549 square miles of land · 46 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 Iosco County in the area they serve, reporting 14,759 people served in all (a system that crosses county lines counts its whole population).
| OSCODA TOWNSHIP buys surface water · local government · MI0005040 | 6,997 served |
| EAST TAWAS, CITY OF buys surface water · local government · MI0002010 | 2,663 served |
| AU SABLE TOWNSHIP buys surface water · local government · MI0000290 | 2,370 served |
| TAWAS CITY, CITY OF buys surface water · local government · MI0006540 | 1,834 served |
| BALDWIN TOWNSHIP buys surface water · local government · MI0000355 | 650 served |
| ALABASTER TOWNSHIP buys surface water · local government · MI0000082 | 86 served |
| HALE HOMESTEAD APARTMENTS groundwater · private · MI0002943 | 72 served |
| HALE CREEK MANOR groundwater · private · MI0062942 | 43 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 38 people were held in Iosco County's jail, in Vera's latest figure (2020), or 267 per 100,000 residents ages 15–64. In 2015 it was about 59.
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.
4 school districts have their office in Iosco County. School taxes are usually the largest part of a property tax bill.
Spent $18.2 million — $16.6 million to run schools, about $14,473 per student, plus $1.3 million on buildings and equipment. Money in: $9.3 million local (mostly property tax), $7.1 million state, $4 million federal. Long-term debt: $3.5 million.
Spent $15.9 million — $14.9 million to run schools, about $13,159 per student, plus $639,000 on buildings and equipment. Money in: $6.5 million local (mostly property tax), $8.2 million state, $2.2 million federal. Long-term debt: $7.7 million.
Spent $11.5 million — $10.7 million to run schools, about $15,592 per student, plus $456,000 on buildings and equipment. Money in: $3.1 million local (mostly property tax), $6.5 million state, $2.6 million federal. Long-term debt: $13.3 million.
Spent $5.6 million — $5.5 million to run schools, about $15,895 per student, plus $132,000 on buildings and equipment. Money in: $3.9 million local (mostly property tax), $1.2 million state, $1.8 million federal. Long-term debt: $31,000.
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 Iosco County about $8.3 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively High; social vulnerability: Very High.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
47 bridges in Iosco County: 12 in good condition, 32 fair, and 3 poor (6.4%). “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.
| M-65 over JOHNSON CREEK · built 1950 | 4,353 vehicles a day |
| M-55 over E BR AU GRES RIVER · built 1954 | 3,110 vehicles a day |
| SHELLENBARGER ROAD over SMITH CREEK · built 1950 | 220 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $2.9 million of work in Iosco County in fiscal 2025, about $114 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 Michigan 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 Iosco 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 Iosco County built: brayden.ozark@gmail.com.
More of Michigan: the state government and every county in Michigan.
Nearby counties: Alcona County (19 mi) · Arenac County (30 mi) · Alpena County (35 mi) · Ogemaw County (37 mi) · Huron County (42 mi) · Oscoda County (42 mi).