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Onslow, IA
City in Jones County, Iowa.
Population
284
Land area
0.2sq mi
People per sq mi
1,464
ZIP codes
0
Onslow and its ZIP codes
Onslow at a glance
- Onslow is about 25 times as dense as Iowa as a whole.
Local data for Onslow, IA
Counts from official public data
Economy and federal money
Jobs, pay, income and spending are for Jones County. PPP loans are for Onslow.
Unemployment rate
3.5%
Aug 2026, -0.6 pts in a year
Average annual pay
$51,841
6,279 jobs, 2025
Income per person
$56,539
BEA, 2024
Federal spending
$148M
FY 2026, $7,152 per person
Environment and hazard risk
Onslow, IA, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: drought
Storm events since 1996
668
Countywide, mostly thunderstorm wind
Flood insurance policies
42
0.4% of homes, county
July high / Jan low
83° / 11°F
39.3 inches of rain a year
Health statistics
Share of adults in Onslow, IA, CDC PLACES estimates
Obesity
40.3%
U.S. 33.3% +7.0 pts
Diabetes
12.1%
U.S. 12.1% about the same
Smoking
16.5%
U.S. 12.8% +3.7 pts
Uninsured (18-64)
6.6%
U.S. 11.1% -4.5 pts
Cities near Onslow
| Name | Distance | Land area (sq mi) |
|---|---|---|
| WyomingCity | 3.4 mi | 0.5 |
| Center JunctionCensus-designated place | 3.9 mi | 0.7 |
| MonmouthCity | 7.1 mi | 0.6 |
| Oxford JunctionCity | 9.1 mi | 0.6 |
| BaldwinCity | 9.3 mi | 0.4 |
| OlinCity | 10 mi | 1 |
| MonticelloCity | 12 mi | 5.6 |
| CascadeCity | 13 mi | 1.9 |
| AnamosaCity | 14 mi | 2.5 |
| MorleyCity | 14 mi | 0.1 |
| Lost NationCity | 14 mi | 0.8 |
| ClarenceCity | 16 mi | 0.8 |
| TorontoCity | 16 mi | 0.2 |
| StanwoodCity | 16 mi | 0.8 |
| BernardCity | 17 mi | 0.1 |
| Stone CityCensus-designated place | 17 mi | 1.8 |
Frequently asked questions
- What county is Onslow, IA in?
- Onslow is in Jones County, Iowa.
- What is the population of Onslow, IA?
- About 284 people live in Onslow, based on American Community Survey 5-year estimates.
- What cities are near Onslow?
- Nearby places include Wyoming (3.4 mi), Center Junction (3.9 mi), Monmouth (7.1 mi), Oxford Junction (9.1 mi), Baldwin (9.3 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023