Onslow
City in Jones County, Iowa

Onslow is a city in Jones County, Iowa, with 201 residents (2020 Census). It sits at 919 ft (280 m) above sea level. The nearest town is Wyoming, 3.3 miles S.
- 201residents (2020 Census)
- 919 ftelevation · 280 m
- 0.2 sq miland area · 0.5 km²
- 1,035 / sq mipopulation density
- 52321ZIP code
About Onslow
Onslow is a city in Jones County, Iowa, United States. The population was 201 at the time of the 2020 census. It is part of the Cedar Rapids metropolitan area.
Text: Wikipedia · CC BY-SA 4.0
Onslow weather: 7-day forecast
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Source: National Weather Service (NOAA).
Live webcams in Onslow
Webcams: Windy.com
Living in Onslow
- Median household income
- $65,313
- Median home value
- $100,000
- Median rent
- $1,250/mo
- Median age
- 30
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Map of Onslow
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Onslow Street View
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Open in Google Maps ›Onslow, IA population
Onslow had 201 residents in the 2020 Census.
| 2020 Census | 201 |
|---|---|
| Density | 1,035 per sq mi (400 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Onslow at a glance
| State | Iowa (IA) |
|---|---|
| County | Jones County |
| Type | City |
| Population | 201 (2020) |
| Land area | 0.19 sq mi (0.5 km²) |
| Elevation | 919 ft (280 m) |
| Coordinates | 42.1069° N, 91.0151° W |
| ZIP code | 52321 |
| Census code (GEOID) | 1959250 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Onslow
- Wyoming3.3 mi S
- Center Junction3.9 mi W
- Monmouth7.2 mi E
- Oxford Junction9.1 mi S
- Baldwin9.3 mi E
- Olin9.9 mi SW
- Monticello12.2 mi NW
- Anamosa13.3 mi W
- Cascade13.5 mi N
- Morley13.7 mi SW
- Lost Nation14.0 mi SE
- Clarence15.4 mi S
Straight-line distance between town centers.
Frequently asked questions about Onslow
What county is Onslow in?
Onslow is in Jones County, Iowa.
What is the population of Onslow, IA?
201 people lived in Onslow at the 2020 Census.
What is the ZIP code of Onslow, IA?
The ZIP code of Onslow is 52321.
What is the elevation of Onslow?
919 feet (280 m) above sea level.
What towns are near Onslow?
Wyoming (3.3 mi), Center Junction (3.9 mi), Monmouth (7.2 mi), Oxford Junction (9.1 mi), Baldwin (9.3 mi).
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