Iosco County, MI ZIP codes
There are 8 ZIP codes in Iosco County, MI, in 7 towns, from 48730 to 48770. The largest are 48750 (Oscoda), 48763 (Tawas City) and 48730 (East Tawas). 1 more crosses into it from a neighbouring county: 48737.
The county seat is Tawas City.
- ZIP codes
- 8
- Partly in it
- 1 more
- Towns
- 7
- County seat
- Tawas City
- County FIPS
26069- State
- Michigan
- Population
- 25,347
- Median household income
- $50,066
- Land area
- 549 sq mi
Iosco County ZIP codes by town
- Tawas City (county seat)
- 48763, 48764
Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.
ZIP codes partly in Iosco County
This ZIP code lies mostly in a neighbouring county but covers a twentieth or more of Iosco County.
- 48737 Glennie · mostly in Alcona County
Map of Iosco County ZIP codes
The ZIP codes of Iosco County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Iosco County in numbers
About 25,347 people live in Iosco County, in 11,713 households, the 58th most populous of Michigan's 83 counties. The median household income is $50,066 a year, 31% below the Michigan median of $72,875 (US: $80,734). The median owner-occupied home is valued at $142,200 (39% below the Michigan median), and median gross rent is $719 a month. The median age is 53.5; 19.3% of adults 25 and over hold a bachelor's degree or higher (32.4% across Michigan); the average commute takes 21 minutes.
| Population | 25,347 |
|---|---|
| Households | 11,713 |
| Median age | 53.5 |
| Median household income | $50,066 |
| Median home value | $142,200 |
| Median gross rent | $719 |
| Bachelor's degree or higher | 19.3% |
| Mean commute | 21.0 min |
| Population density | 46 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.
Largest towns in Iosco County
| Town | ZIP codes | Population |
|---|---|---|
| Hale | 1 | 3,629 |
| East Tawas | 1 | 2,675 |
| Tawas City | 2 | 1,614 |
| National City | 1 | 1,537 |
| Oscoda | 1 | 654 |
| Whittemore | 1 | 492 |
| Long Lake | 1 | 30 |
Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.
Neighbouring counties
Counties that share a ZIP code with Iosco County.
Not sure you are in Iosco County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Iosco County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
48730 | East Tawas , MI | Standard | 4,584 | $49,823 | $157,200 |
48739 | Hale , MI | Standard | 3,629 | $52,802 | $179,400 |
48743 | Long Lake , MI | Standard | 30 | — | — |
48748 | National City , MI | Standard | 1,537 | $58,750 | $161,800 |
48750 | Oscoda , MI | Standard | 9,165 | $45,561 | $119,200 |
48763 | Tawas City , MI | Standard | 4,883 | $59,677 | $162,400 |
48764 | Tawas City , MI | No street area | — | — | — |
48770 | Whittemore , MI | Standard | 1,843 | $49,957 | $105,500 |
Cite this page
zipcodes.pro. “Iosco County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/mi/county/iosco
Underlying data is public domain or openly licensed — sources, vintages and licences.