Onslow, IA ZIP Codes
One ZIP code serves Onslow, Iowa: 52321. Together they are home to 395 residents in 146 households. That is more than the 284 people counted inside Onslow city limits, because these ZIP codes reach past its boundary.
Onslow city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 284 |
| Households | 96 |
| Median household income | $65,313 |
| Median home value | $100,000 |
| Median age | 30 |
| Median rent | $1,250 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 395 |
| Households (sum of ZIP codes) | 146 |
| Median household income, range across ZIP codes | $77,708 (52321) to $77,708 (52321) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $77,708 |
| Homeowners | 80.1% |
| Households with kids under 18 | 39.7% |
| Moved in the past year | 0.3% |
| Carrier routes in EDDM2GO's route library | not loaded yet |
Every ZIP code in Onslow
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 52321 | Onslow | 395 | 146 | $77,708 | $131,300 | 80.1% | 39.7% | 0.3% | — | — | 1% of its land; mailing city |
A ZIP code is listed for Onslow when at least 10% of its land lies inside Onslow city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Onslow. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Onslow.
Counties
- Jones County — 15 ZIP codes
Price a mailing to Onslow ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Onslow, IA?
- 52321. A ZIP code is listed for Onslow when at least 10% of its land lies inside Onslow city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Onslow.
- What is the population of Onslow, IA?
- The Census Bureau counts 284 residents inside Onslow city limits (ACS 2020–2024). The 1 ZIP code that serve Onslow hold 395 residents in all.
- What is the median household income in Onslow, IA?
- $65,313 inside Onslow city limits, per the Census Bureau. Across its ZIP codes the medians run from $77,708 to $77,708.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.