52133 ZIP Code, Castalia, IA
52133 is a ZIP code in Castalia, Iowa — mostly in Winneshiek County (70% of its land), with smaller parts in Fayette County. It covers 44 square miles of land. The closest ZIP codes are 52161, 52162 and 52135. 673 people live here in 245 households. It is rural, with fewer than 100 people per square mile, and most homes are owner-occupied (92%). Median household income is $76,250, close to the Iowa median of $75,059.
Quick facts
- Mailing city: Castalia, IA
- County: Winneshiek County
- Land area: 44 sq mi
- Population: 673
- Median household income: $76,250
Key figures
| Measure | Value |
|---|---|
| Residents | 673 |
| Households | 245 |
| Median household income | $76,250 |
| Income per person | $34,992 |
| Median age | 44.3 |
| Homeowners | 92.2% |
| Median home value | $246,100 |
| Median rent | not published |
| Bachelor's degree or higher | 11.3% |
| Average commute (minutes) | 20.4 |
| Households with kids under 18 | 38.8% |
| Moved in the past year | 1.5% |
| Below the poverty line | 1.6% |
| Broadband internet | 94.3% |
| Speak a non-English language at home | 0.3% |
Household income
| % of households | Value |
|---|---|
| <$10K | 0.4% |
| $10–15K | 0.0% |
| $15–25K | 6.5% |
| $25–35K | 1.6% |
| $35–50K | 18.0% |
| $50–75K | 22.9% |
| $75–100K | 10.2% |
| $100–150K | 23.3% |
| $150–200K | 14.7% |
| $200K+ | 2.4% |
Age
| % of all residents | Value |
|---|---|
| <10 | 23.2% |
| 10–19 | 1.0% |
| 20–24 | 0.6% |
| 25–34 | 17.5% |
| 35–44 | 7.9% |
| 45–54 | 11.6% |
| 55–64 | 22.4% |
| 65–74 | 11.4% |
| 75+ | 4.3% |
Tenure
| % of housing units | Value |
|---|---|
| Owned, with mortgage | 58.3% |
| Owned outright | 23.6% |
| Rented | 6.9% |
| Vacant | 11.2% |
Type of building
| % of housing units | Value |
|---|---|
| Detached house | 91.7% |
| Townhome | 1.8% |
| 2–4 units | 1.1% |
| 5–19 units | 0.0% |
| 20+ units | 0.0% |
| Mobile / other | 5.4% |
Businesses in 52133
3 business establishments with 3 employees (ZIP Codes Business Patterns 2023).
EDDM carrier routes
See every USPS carrier route in 52133 with residential and business mailbox counts on the route map. Open the EDDM route map.
Nearby ZIP codes
- 52161 — Ossian city, IA (5 mi)
- 52162 — Postville city, IA (5.4 mi)
- 52135 — Clermont city, IA (6.1 mi)
- 52156 — Luana city, IA (10.6 mi)
- 52175 — West Union city, IA (11.5 mi)
- 52141 — Elgin city, IA (12.3 mi)
- 52166 — St. Lucas city, IA (14.2 mi)
- 52172 — Waukon city, IA (14.3 mi)
Areas that include 52133
- Castalia, IA ZIP codes — 1 ZIP code
- Fayette County ZIP codes — 21 ZIP codes
- Winneshiek County ZIP codes — 9 ZIP codes
- Iowa ZIP code data
Mail every home in 52133
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) 52133, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.
Frequently asked questions
- What city is 52133 in?
- 52133 is a Castalia, IA mailing address. By land area, 1% lies inside Castalia; the rest is outside any Census-defined city or community.
- What county is 52133 in?
- 52133 is mostly in Winneshiek County (70% of its land), with smaller parts in Fayette County.
- What is the population of 52133?
- About 673 people (±240), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 473.
- What is the median household income in 52133?
- $76,250 (±$33,475), 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 52133?
- EDDM2GO's stored route library does not include 52133 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
- What ZIP codes are near 52133?
- The closest, measured center to center: 52161 (5 mi, Ossian), 52162 (5.4 mi, Postville), 52135 (6.1 mi, Clermont), 52156 (10.6 mi, Luana), 52175 (11.5 mi, West Union) and 52141 (12.3 mi, Elgin).
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.