ZIP code 52133: Castalia, IA
52133 is a ZIP code in Castalia, Iowa, mainly in Winneshiek County. About 673 people live here.
- Population
- 673
- Median household income
- $76,250
- Typical home value
- $287,500+10.9% in 12 months
- Median rent
- —gross, per month
- Median age
- 44.3
- Homeowners
- 92.2%of occupied homes
Shaded: ZIP code 52133's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 52133 details
| City | Castalia |
|---|---|
| State | Iowa |
| County | Winneshiek County (also partly Fayette County) |
| Metro area | Not in a metro or micro area |
| Time zone | Central Time (UTC−6), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 43.7 sq mi, plus 0 sq mi of water |
| Population density | 15 people per sq mi |
| Bachelor's degree or higher | 11.3% of adults 25+ |
| Average commute | 20.4 minutes |
| Center coordinates | 43.10891, -91.66058 |
ZIP codes near 52133
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 52161 | Ossian, IA | 5.0 mi | 1,532 |
| 52162 | Postville, IA | 5.4 mi | 3,744 |
| 52135 | Clermont, IA | 6.1 mi | 834 |
| 52156 | Luana, IA | 10.6 mi | 769 |
| 52175 | West Union, IA | 11.5 mi | 3,484 |
| 52141 | Elgin, IA | 12.3 mi | 1,259 |
| 52166 | Saint Lucas, IA | 14.2 mi | 137 |
| 52172 | Waukon, IA | 14.3 mi | 5,877 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Buying a home in 52133?
A typical home in ZIP code 52133 is worth about $287,500 (Zillow Home Value Index). The median household here earns $76,250 a year. See what buying here would cost per month, with Iowa average taxes and insurance filled in.
Monthly payment for a $287,500 homeWhat can a $76,250 income afford?Rental property numbers
About ZIP code 52133
What city is ZIP code 52133?
ZIP code 52133 is in Castalia, IA, in Winneshiek County.
What county is ZIP code 52133 in?
52133 is mainly in Winneshiek County, Iowa, and partly in Fayette County.
What is the population of ZIP code 52133?
About 673 people live in ZIP code 52133, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 52133 in?
52133 is in Central Time (UTC−6). It observes daylight saving time.