Portage Township is a township in Mackinac County, Michigan, home to about 815 people across 55 square miles. Its ZIP code is 49820, and parts of 49827, 49836 and 49838 are in Portage Township too.
Homes sold for a median of $271 per square foot in the three months ending August 2026, a seller’s market.
Mostly Portage Township; also Newton Township
Mostly Garfield Township (Mackinac County); part is in Portage Township
Mostly Germfask; part is in Portage Township
Mostly Newton Township; part is in Portage Township
Each card is that ZIP code’s whole market, including any part outside Portage Township. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Portage Township’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Gerald R. Ford International Airport (GRR)230 miles away |
|---|---|
| Closer regional airport | Chippewa County International Airport (CIU)64 miles away |
| Nearest city of 250,000+ | Milwaukee, WI242 miles away |
| Nearest city of 1 million+ | Chicago, IL316 miles away |
Straight-line distances from the center of Portage Township; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Portage Township had 907 residents in the 2020 census, down 14% since 2000.
It’s the 1279th largest of 1,531 towns in Michigan by population.
Mackinac County grew from 7,703 residents in 1900 to 10,834 in 2020.
Mackinac County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 77°F in summer, and winter lows average 10°F. About 33.9 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Newberry Correctional Facility, MI weather station (17 miles away).
2,342 jobs at 451 businesses in Mackinac County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
1 doctors and other health care providers list an office in Portage Township.
Nearest hospitals
Providers with an office here
| Nurse practitioners and physician assistants | 1 |
|---|
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (4 nearby)
Libraries (1 nearby)
Counts are within about 5 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by Three Lakes Academy. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Three Lakes AcademyCurtis | Pre-K–6 | 114 | Charter | 2.2 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Garfield Township (Mackinac County), Newton Township, Germfask and Mueller.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.