ZIP Code 50570
About Ottosen
Ottosen is a city in Humboldt County, Iowa, United States. The population was 40 in the 2020 census, a decline from 61 in 2000.
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Area Profile
US Census (ACS 5-year · Gazetteer)
200
population
$70,000
median household income
5
people / sq mi
$114,300
median home value
$708
median gross rent
39.7
median age
83
housing units
74
households
43.4
land area (sq mi)