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DeKalb County, Indiana Zip Codes
Zip Code
City
Population
46706
Auburn
20,000
46738
Garrett
8,339
46721
Butler
4,856
46793
Waterloo
4,281
46788
Spencerville
4,099
46705
Ashley
1,936
46785
Saint Joe
1,732
46730
Corunna
1,007
Population is the most recent figure from the U.S. Census Bureau's 2022
American Community Survey (ACS) 5-Year Estimates
.