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Allamakee County, Iowa Zip Codes
Zip Code
City
Population
52172
Waukon
5,982
52162
Postville
3,548
52159
Monona
2,412
52151
Lansing
1,869
52160
New Albin
994
52146
Harpers Ferry
866
52170
Waterville
504
52140
Dorchester
453
Population is the most recent figure from the U.S. Census Bureau's 2022
American Community Survey (ACS) 5-Year Estimates
.