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Iosco County, MI
6 cities and towns and 7 ZIP codes in Iosco County, Michigan.
Population
25,347
Land area
549sq mi
People per sq mi
46
ZIP codes
7
Cities and towns in Iosco County
Iosco County at a glance
- Iosco County is 74% less dense than Michigan as a whole.
- Households here earn a median of $50,066 a year, 31% less than the Michigan figure of $72,875.
- A typical owner-occupied home is valued at $142,200 (39% below Michigan) and median rent is $719 a month.
- The biggest population centers are East Tawas (2,675), Au Sable (1,643) and Tawas City (1,614).
Local data for Iosco County, MI
Counts from official public data
Housing and community stats
Iosco County, MI, American Community Survey 2020-2024
Median household income
$50,066
Poverty rate
17.7%
Median home value
$142,200
Prices +3.5% in a year
Median rent
$719/mo
Homeownership
82.1%
Bachelor's or higher
19.3%
Median age
53.5
Average commute
21.0 min
Largest reported origins and ancestries: German Americans (6,994), Irish Americans (3,446), Polish Americans (2,135).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
5.5%
Sep 2026, -0.5 pts in a year
Average annual pay
$61,063
7,624 jobs, 2025
Income per person
$52,230
BEA, 2024
Federal spending
$256M
FY 2026, $10,135 per person
PPP loans
$28M
439 loans, 4,683 jobs reported
Campaign donations
$52K
Itemized, 2026 cycle
How people get to work
Iosco County, MI, workers 16 and older. American Community Survey 5-year estimates
- Drove alone79.6%
- Carpooled8.1%
- Public transit0.1%
- Walked3.7%
- Bicycle0.6%
- Taxi, ride-hailing, motorcycle or other0.6%
- Worked from home7.2%
Average one-way commute: 21.0 minutes for people who do not work from home.
Environment and hazard risk
Iosco County, MI, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: winter weather
Storm events since 1996
200
Most often hail
Flood insurance policies
183
1.0% of homes, county
July high / Jan low
80° / 13°F
32.3 inches of rain a year
Hazards, floods and storm historyCheck a flood zone2 historic places
Health statistics
Share of adults in Iosco County, MI, CDC PLACES estimates
Obesity
38.8%
U.S. 33.3% +5.5 pts
Diabetes
15.9%
U.S. 12.1% +3.8 pts
Smoking
18.2%
U.S. 12.8% +5.4 pts
Uninsured (18-64)
7.7%
U.S. 11.1% -3.4 pts
Cities, towns and ZIP codes in Iosco County
Population shown
Frequently asked questions
- What is the largest city in Iosco County, MI?
- East Tawas is the largest city or town in Iosco County, with about 2,675 residents.
- How many ZIP codes are in Iosco County?
- Iosco County includes 7 ZIP Code Tabulation Areas, including 48730, 48739, 48743, 48748, 48750.
- What is the population of Iosco County, MI?
- About 25,347 people live in Iosco County, based on American Community Survey 5-year estimates.
- What counties border Iosco County?
- Iosco County borders Ogemaw County, Arenac County, Alcona County, Oscoda County.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023