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ZIP Code 51040

Onawa, Iowa, United States

Standard ZIP Central Time (CT)
3,500
Population
10.4
Per sq mile
Monona
County

About ZIP Code 51040

ZIP code 51040 is assigned to Onawa, Monona County, Iowa, United States. It falls in the Central Time (CT) zone. The estimated population of this ZIP code area is 3,500 with a density of 10.4 people per square mile.

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Location Details

ZIP Code51040
CityOnawa
CountyMonona County
StateIowa
CountryUnited States
TimezoneCentral Time (CT)
Timezone IDAmerica/Chicago
Latitude42.0307
Longitude-96.0706
ZIP TypeStandard ZIP

Post Office

Address1017 IOWA AVE
CityONAWA
StateIA

Nearby ZIP Codes in Iowa

51523
Blencoe
51010
Castana
51063
Whiting
51026
Hornick
51545
Little Sioux
51051
Rodney

Frequently Asked Questions

What city is ZIP code 51040 in?

ZIP code 51040 is in Onawa, Monona County, Iowa, United States.

What county is ZIP code 51040 in?

ZIP code 51040 is in Monona County, Iowa.

What timezone is ZIP code 51040 in?

ZIP code 51040 is in the Central Time (CT) zone (America/Chicago).

What is the population of ZIP code 51040?

The estimated population of ZIP code 51040 is 3,500 people with a density of 10.4 people per square mile.

What state is ZIP code 51040 in?

ZIP code 51040 is in Iowa (IA), United States.

📋 Data Source: United States Postal Service (USPS) & US Census Bureau (ZCTA data) · Public domain government data. For official ZIP code information visit tools.usps.com. Data is periodically updated but may not reflect the most recent changes.