Onawa

City in Monona County, Iowa

View of Onawa, Iowa
Photo: JERRYE AND ROY KLOTZ MD · CC BY-SA 3.0

Onawa is a city in Monona County, Iowa, with 2,906 residents (2020 Census). It sits at 1,050 ft (320 m) above sea level. The nearest town is Turin, 6.4 miles E.

About Onawa

Onawa is a city in and the county seat of Monona County, Iowa, United States. The population was 2,906 at the time of the 2020 Census. It is the largest town on the Iowa side of the Missouri River between Council Bluffs and Sioux City.

Text: Wikipedia · CC BY-SA 4.0

Onawa weather: 7-day forecast

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Living in Onawa

Median household income
$62,143
Median home value
$145,800
Median rent
$1,037/mo
Median age
35.5
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Map of Onawa

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Onawa, IA population

Onawa had 2,906 residents in the 2020 Census.

2020 Census2,906
Density552 per sq mi (213 per km²)

Source: U.S. Census Bureau, Decennial Census.

Onawa at a glance

StateIowa (IA)
CountyMonona County
TypeCity
Population2,906 (2020)
Land area5.27 sq mi (13.6 km²)
Elevation1,050 ft (320 m)
Coordinates42.0265° N, 96.0909° W
ZIP code51040
Official websiteonawa.com
Census code (GEOID)1959115

Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.

Towns near Onawa

Straight-line distance between town centers.

Frequently asked questions about Onawa

What county is Onawa in?

Onawa is in Monona County, Iowa.

What is the population of Onawa, IA?

2,906 people lived in Onawa at the 2020 Census.

What is the ZIP code of Onawa, IA?

The ZIP code of Onawa is 51040.

What is the elevation of Onawa?

1,050 feet (320 m) above sea level.

What towns are near Onawa?

Turin (6.4 mi), Blencoe (6.7 mi), Whiting (7.6 mi), Decatur (8.2 mi), Castana (9.8 mi).

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