ZIP Code 51535
About Griswold
Griswold is a city in Cass County, Iowa, United States. The population was 994 at the time of the 2020 census.
From Wikipedia — text licensed CC BY-SA 4.0.
Area Profile
US Census (ACS 5-year · Gazetteer)
1,768
population
$83,929
median household income
13
people / sq mi
$135,500
median home value
$952
median gross rent
50.0
median age
825
housing units
746
households
135.3
land area (sq mi)