| ZIP Code | 52321 |
| City | Onslow |
| State | Iowa (IA) |
| County | Jones |
| Timezone | America/Chicago |
| Coordinates | 42.1416800, -90.9830700 |
| Population | 395 |
| ZIP Type | STANDARD |
| Country | United States |
Located in Iowa, the United States is home to the sparsely populated community of Onslow, served by ZIP code 52321. It sits within Jones County.
Onslow has a reported population of 395. That's below the Iowa average of about 3,313 people per ZIP code.
Population density runs around 4 people per sq. mile, making it a rural area.
Nearby communities in Iowa include Ankeny, Cedar Falls, Dubuque.
The ZIP code for Onslow, Iowa is 52321.
52321 is located in Jones County, Iowa.
The population of 52321 (Onslow) is approximately 395 people.
52321 is less populated than the typical Iowa ZIP code, which averages around 3,313 people.
ZIP code codes near 52321 include 50023, 50613, 52001.