ZIP Code
ZIP Code 51040
Onawa, Monona County, Iowa IA
Population
3,500
Density
10.4/sq mi
Timezone
America/Chicago
Safety Score
50
50
Average
Loading map…
Overview
ZIP code 51040 is located in Onawa, Monona County, Iowa. The area has a population of approximately 3,500 residents with a population density of 10.4 per square mile. It is in the America/Chicago timezone.
Nearby ZIP Codes
51523 (Blencoe, IA)8.2 mi51010 (Castana, IA)8.8 mi51063 (Whiting, IA)9.1 mi68020 (Decatur, NE)10.3 mi51558 (Moorhead, IA)13 mi51051 (Rodney, IA)13.1 mi51545 (Little Sioux, IA)13.5 mi51572 (Soldier, IA)14.7 mi51026 (Hornick, IA)15.1 mi68039 (Macy, NE)15.1 mi51056 (Smithland, IA)15.3 mi51055 (Sloan, IA)15.8 mi