ZIP Code 49948
About Mass City
Mass City is an unincorporated community in Ontonagon County in the U.S. state of Michigan. As of the 2020 census, Mass City had a population of 148. Mass City is located in Greenland Township along M-26, 13.5 miles (21.7 km) southeast of the village of Ontonagon. Mass City has its own post office with the 49948 ZIP Code.
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Area Profile
US Census (ACS 5-year · Gazetteer)
558
population
$61,518
median household income
5
people / sq mi
$99,600
median home value
54.5
median age
520
housing units
258
households
111.7
land area (sq mi)
Key places in 49948
- South Military Hill nature