Dewar, Iowa

Dewar, Iowa
Dewar, Iowa
Location within the state of Iowa
Dewar, Iowa
Dewar, Iowa (the United States)
Coordinates: 42°31′32″N 92°13′09″W / 42.52556°N 92.21917°W / 42.52556; -92.21917
CountryUnited States
StateIowa
CountyBlack Hawk
Elevation
889 ft (271 m)
Time zoneUTC-6 (Central (CST))
  Summer (DST)UTC-5 (CDT)
ZIP codes
50623
Area code319
GNIS feature ID455900

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.