ZIP Code 50057
About Columbia
Columbia is an unincorporated community in Marion County, Iowa, United States.
From Wikipedia — text licensed CC BY-SA 4.0.
Area Profile
US Census (ACS 5-year · Gazetteer)
261
population
14
people / sq mi
$213,100
median home value
50.5
median age
138
housing units
112
households
18.6
land area (sq mi)