ZIP Code 50623
About Dewar
Dewar is an unincorporated town in eastern Black Hawk County, Iowa, United States. It lies northeast of the city of Waterloo, the county seat of Black Hawk County. Although Dewar is unincorporated, it has a post office with the ZIP code of 50623, which opened on 25 October 1887.
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Area Profile
US Census (ACS 5-year · Gazetteer)
145
population
$92,132
median household income
70
people / sq mi
$170,500
median home value
62.6
median age
69
housing units
69
households
2.1
land area (sq mi)