51040 Zip Code

About 51040 Zip Code

ZIP Code: 51040
Latitude: 42.03073
Longitude: -96.0706
Population: 3,388
Density: 10.1
City: Onawa
State: Iowa
County: Monona County
All Counties: Monona
Time Zone: America/Chicago

ZIP code 51040 covers the area of Onawa, Iowa in the United States. It is primarily associated with Monona County and lies in the America/Chicago time zone.

ZIP Code 51040 Overview

ZIP code 51040 serves the community of Onawa, Iowa. Based on available data, this ZIP code has an estimated population of around 3,388 people and a population density of roughly 10.1 people per square kilometer.

The primary county linked to this ZIP code is Monona County. In some datasets, ZIP codes can overlap multiple counties. For ZIP code 51040, the extended county coverage is recorded as: Monona.

Location and Coordinates

The geographic center (approximate) of ZIP code 51040 is located near latitude 42.03073 and longitude -96.0706. This information is useful for mapping, distance calculations, and understanding how this ZIP fits within Iowa.

Time Zone

ZIP code 51040 falls under the America/Chicago time zone. This can be important for scheduling, logistics, and travel planning.

Related ZIP Code Pages

Explore other related ZIP code resources on Burning Compass:

• All ZIP codes in Iowa
• All ZIP codes for the city of Onawa
• All ZIP codes in Monona County