OnslowIA
This town of 197 people was settled in 1871.
Is Onslow a good place to live?
29% of residents live below the poverty line in Onslow, against 11% in Iowa’s towns and 9.6% across U.S. towns. Of the 141 Iowa towns we compare, none has a higher average commute than Onslow. Onslow has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
197 people, and everyone knows the way
In a town this size, neighbors are the best guide. Ask them anything.
Moving to Onslow: who provides what
Who provides power, water and the rest in Onslow, and how to reach them.
EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Nov 18, 2024.
The data
Ordered by what stands out in Onslow.
Onslow has 0.1 jobs for every working resident, so most commute out
Half of commuters travel less than 38 miles. The top destinations are Cedar Rapids (18%), Anamosa (8%) and Monticello (6%).
Where working residents work
Census LEHD 2023 · ACS
High risk in Onslow, with inland flooding at the top
55% of Onslow’s expected losses from natural hazards come from inland flooding, followed by drought at 14%. FEMA expects more storm and flood damage in the town than in three quarters of U.S. communities. One declared disaster, in 2008, has brought federal aid to Onslow households.
FEMA disaster declarations and aid · FEMA National Risk Index · OpenFEMA
Expect four seasons and pleasant summers in Onslow
Expect July afternoons of 83° and January nights of 12°, with about 31 inches of snow a winter.
Typical low → high °F
NOAA U.S. Climate Normals, 1991–2020
How healthy Onslow is
For adults in Onslow, the share who smoke cigarettes is 17%. 40% of adults in the town have obesity; 30% feel lonely.
| Onslow | Iowa towns | U.S. towns | |
|---|---|---|---|
| Binge drink (CDC PLACES) | 20% | 20% | 16% |
| Obesity (CDC PLACES) | 40% | 38% | 35% |
| Feel lonely (CDC PLACES) | 30% | 32% | 33% |
| Smoke cigarettes (CDC PLACES) | 17% | 15% | 14% |
| What stands out | Onslow | IA |
|---|---|---|
| More adults who have had a stroke | 4% | 3.3% |
| More adults with heart disease | 7.7% | 6.6% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
A typical Onslow home is worth about $211K
The share of households in Onslow who own their home: 79%. Values rose 7.1% in the 12 months to September 2026.
Typical home value
Census ACS, 2020–24 · Zillow Home Value Index · Redfin Data Center
| Biggest places to walk | Trails | Acres |
|---|---|---|
| 1. Chamberlain Park | — | 5 |
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
Everything we know about Onslow
Colleges nearby
None within 15 miles of Onslow; the nearest are
About 3 of every 100 Onslow residents are enrolled in college, against 6 across Iowa.
100% of working residents leave Onslow for work
Where Onslow’s working residents go each day. Line width shows the share.
Census LEHD 2023
About Onslow
City in Iowa, United States
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.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
- Area
- 0.2 sq mi
- Elevation
- 919 ft
- ZIP code
- 52321
Questions about Onslow
Short answers, built from the data on this page.
Is Onslow, IA a good place to live?
Onslow has fewer than 1,000 residents, too few for fair grades; the figures below are still real.