ZIP Code 51009
About Calumet
Calumet is an incorporated municipality in O'Brien County, Iowa, United States. The population was 146 at the 2020 census.
From Wikipedia — text licensed CC BY-SA 4.0.
Area Profile
US Census (ACS 5-year · Gazetteer)
131
population
$53,125
median household income
492
people / sq mi
$65,000
median home value
$475
median gross rent
32.8
median age
58
housing units
55
households
0.3
land area (sq mi)