52321 ZIP Code, Onslow, IA
52321 is a ZIP code in Onslow, Iowa in Jones County. It covers 38 square miles of land. The closest ZIP codes are 52309, 52362 and 52212. 395 people live here in 146 households. It is rural, with fewer than 100 people per square mile, and most homes are owner-occupied (80%). Median household income is $77,708, close to the Iowa median of $75,059.
Quick facts
- Mailing city: Onslow, IA
- County: Jones County
- Land area: 38 sq mi
- Population: 395
- Median household income: $77,708
Key figures
| Measure | Value |
|---|---|
| Residents | 395 |
| Households | 146 |
| Median household income | $77,708 |
| Income per person | $29,969 |
| Median age | 40.2 |
| Homeowners | 80.1% |
| Median home value | $131,300 |
| Median rent | $861 |
| Bachelor's degree or higher | 13.5% |
| Average commute (minutes) | 28.7 |
| Households with kids under 18 | 39.7% |
| Moved in the past year | 0.3% |
| Below the poverty line | 21.0% |
| Broadband internet | 76.7% |
| Speak a non-English language at home | 0.0% |
Household income
| % of households | Value |
|---|---|
| <$10K | 3.4% |
| $10–15K | 1.4% |
| $15–25K | 12.3% |
| $25–35K | 8.2% |
| $35–50K | 14.4% |
| $50–75K | 9.6% |
| $75–100K | 20.5% |
| $100–150K | 27.4% |
| $150–200K | 2.1% |
| $200K+ | 0.7% |
Age
| % of all residents | Value |
|---|---|
| <10 | 13.7% |
| 10–19 | 14.4% |
| 20–24 | 6.1% |
| 25–34 | 5.1% |
| 35–44 | 18.0% |
| 45–54 | 10.1% |
| 55–64 | 6.5% |
| 65–74 | 19.2% |
| 75+ | 6.8% |
Tenure
| % of housing units | Value |
|---|---|
| Owned, with mortgage | 39.6% |
| Owned outright | 32.9% |
| Rented | 17.7% |
| Vacant | 9.8% |
Type of building
| % of housing units | Value |
|---|---|
| Detached house | 95.7% |
| Townhome | 0.0% |
| 2–4 units | 4.3% |
| 5–19 units | 0.0% |
| 20+ units | 0.0% |
| Mobile / other | 0.0% |
Businesses in 52321
5 business establishments with 13 employees (ZIP Codes Business Patterns 2023).
EDDM carrier routes
See every USPS carrier route in 52321 with residential and business mailbox counts on the route map. Open the EDDM route map.
Nearby ZIP codes
- 52309 — Monmouth city, IA (4.9 mi)
- 52362 — Wyoming city, IA (5.8 mi)
- 52212 — Center Junction CDP, IA (5.9 mi)
- 52207 — Baldwin city, IA (8.5 mi)
- 52033 — Cascade city, IA (9.6 mi)
- 52323 — Oxford Junction city, IA (11 mi)
- 52310 — Monticello city, IA (12.2 mi)
- 52032 — Bernard city, IA (12.6 mi)
Areas that include 52321
- Onslow, IA ZIP codes — 1 ZIP code
- Jones County ZIP codes — 15 ZIP codes
- Iowa ZIP code data
Mail every home in 52321
Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.
EDDM guides
ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 52321, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.
Frequently asked questions
- What city is 52321 in?
- 52321 is a Onslow, IA mailing address. None of its land lies inside a Census-defined city or community.
- What county is 52321 in?
- 52321 is in Jones County.
- What is the population of 52321?
- About 395 people (±120), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 451.
- What is the median household income in 52321?
- $77,708 (±$32,360), compared with $75,059 for Iowa as a whole. Half the households in the ZIP code earn more and half earn less.
- How many carrier routes and mailboxes are in 52321?
- EDDM2GO's stored route library does not include 52321 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
- What ZIP codes are near 52321?
- The closest, measured center to center: 52309 (4.9 mi, Monmouth), 52362 (5.8 mi, Wyoming), 52212 (5.9 mi, Center Junction), 52207 (8.5 mi, Baldwin), 52033 (9.6 mi, Cascade) and 52323 (11 mi, Oxford Junction).
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.