Residential delivery area · Iowa
ZIP Code 52133: Castalia, IA
ZIP code 52133 uses the postal name Castalia, Iowa and lies mostly in Winneshiek County (70% of its land) with the rest in Fayette County (Census 2020 ZIP-county file). About 670 people live there (Census Bureau, ACS 2020-2024). Median household income is $76,250 (Census Bureau, ACS 2020-2024). By Census place, 1% of its land lies in Castalia; 99% is outside any Census place.
- ACS2020-24
- Census2020
- ZBP2023
- IRS2022
- Town
- Castalia · its only residential ZIP
- County
- Winneshiek County (70%); Fayette County (30%)
- Census places
- Castalia
- House district
- IA-2 119th Congress
- State
- Iowa
- Time zone
- Central
- Land area
- 43.7 sq mi · 15 people per sq mi
Where is ZIP code 52133?
52133 centers on 43.109°, -91.661° and covers 43.7 square miles of land plus 0.0 of water. It borders 3 ZIP codes: 52161, 52162, 52135.
The map draws ZIP code areas only. For the streets inside 52133, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 52133 compare with the rest of Winneshiek County?
| Measure | 52133 | In Winneshiek County | In IA |
|---|---|---|---|
| People (ACS 2020-2024) | 673 | 10th of 12 | 599th of 970 |
| Median household income | $76k | not ranked | not ranked |
| Median home value | $246k | not ranked | not ranked |
52133's income and home value are not ranked: it has fewer than 1,000 residents (673). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
It is denser than 22% of U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 52133?
The 2020 Census counted 473 people in 52133; the ACS, which samples households over 2020-2024, estimates 673. Between the 2010 and 2020 censuses its population fell 15.2% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 673±240 (90% margin)
- 2020 Census count
- 473−15.2% since 2010 (558)
- Households
- 245
- Median age
- 44.3
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 52133?
Of the 673 people the ACS estimates in 52133, 23.6% are under 18 and 15.8% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (100.0%).
- Under 1823.6%
- 18 to 6460.6%
- 65 and older15.8%
- White, not Hispanic100.0%
- Hispanic or Latino0.0%
- Black, not Hispanic0.0%
- Asian, not Hispanic0.0%
- Other or two or more0.0%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 52133 earn?
Median household income is $76,250 (ACS 2020-2024). It is not measurably different from 2015-2019 ($82,822 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $76,250±$33,475
- Income per person
- $34,992
- Below the poverty line
- 1.6%
- Unemployed (of the labor force)
- 0.0%
- Adults 25+ with a bachelor's degree
- 11.3%
- Adjusted gross income per tax return, 2022
- $62,791220 returns; wages 62% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 52133?
- Median home value (owners' estimate)
- $246,100
- Median gross rent
- –
- Homes owned by their occupants
- 92.2%
- Housing units
- 276
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001).
What businesses are in 52133?
3 business establishments had a location in this ZIP code in 2023 (ZIP Code Business Patterns).
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 52133?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 52161 | Ossian | 1,532 | $88k | 5.0 mi |
| 52162 | Postville | 3,744 | $64k | 5.4 mi |
| 52135 | Clermont | 834 | $88k | 6.1 mi |
| 52156 | Luana | 769 | $100k | 10.6 mi (near) |
| 52175 | West Union | 3,484 | $60k | 11.5 mi (near) |
| 52141 | Elgin | 1,259 | $65k | 12.3 mi (near) |
| 52166 | Saint Lucas | 137 | $111k | 14.2 mi (near) |
| 52172 | Waukon | 5,877 | $69k | 14.3 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.