Castalia, IA
Single-footprint Census roll-up for Castalia, IA: 1 USPS ZIP, population 558. Open the primary ZIP for household income, housing tenure, and commute from ACS 2023 5-Year Estimates.
U.S. Census Bureau, SimpleMaps US ZIP Code Database, delivery-area ZIP coverage
ACS city ledger plate
Sheet CASTALIA-IA · Castalia, IA 1 ZIPs · 558 pop · #10636/25278 · Winneshiek County
INC-HIGH · RANK-MID · ABOVE-PEER · BOOK-ONE · OWN-HIGH · POP-VILLAGE · SPREAD-UNK · HOME-MID
- INC-HIGH $76,250
- RANK-MID #10636/25278
- ABOVE-PEER over Decorah
- BOOK-ONE 1 ZIP
- OWN-HIGH 92% owners
- POP-VILLAGE 558
- SPREAD-UNK Single-ZIP book
- HOME-MID $246,100
Nearest income peer: Decorah, IA ( $2,766 income $)
Instrument codes from this city’s ACS household income, national rank, county-peer gap, ZIP book, owner tenure, population scale, intra-city income spread, and home-value band, not a moving recommendation.
Income neighbourhood around Castalia
Lowest/highest poles plus county-sharing cities nearest Castalia on average ZIP median household income. Full ladder: /cities.
- Spillville · lowest
Spillville · lowest
$54,375 median HH income
- Decorah · near
Decorah · near
$73,484 median HH income
- Castalia · this city
Castalia · this city
$76,250 median HH income
- Fort Atkinson · near
Fort Atkinson · near
$84,609 median HH income
- Ridgeway · near
Ridgeway · near
$85,227 median HH income
- Ossian · near
Ossian · near
$87,870 median HH income
- Calmar · highest
Calmar · highest
$100,559 median HH income
What this shows County-sharing peers only, not the full US city board. Open a near peer when the gap is small; open the poles when the mosaic is wide.
National city placement
According to ACS 5-Year Estimates, Castalia, IA sits among US cities with an above-median household income, on a village-scale population base, across a single-ZIP footprint.
- Top 42%
- household income vs 25,278 US cities
- 558
- city population (Census)
- 1
- USPS ZIP codes covered
- $76,250
- avg ZIP median income
Income percentile ranks this city's average ZIP median household income against 25,278 US cities with ACS income on at least one ZIP. Scale and ZIP-spread words come from Census population and USPS ZIP coverage.
Above-median income on a short ZIP list (1) - lead code 52133 (558 residents). Household income $76,250 is the roll-up; open the ZIP for tenure and commute.
Owner-occupancy here runs high (92.2%) - tenure is stable enough that the ZIP detail's owner share is the right next click, not a renter-heavy compare.
Within Iowa, Humboldt is the closest lower-income city and Griswold the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Castalia.
Population concentration
Castalia reads through its lone ZIP, 52133
558 ACS residents, one ZIP: 52133 is not the leading code inside Castalia, it is the only one on file. Treat the ZIP page as the primary source for anything below the city-wide total.
Census ZBP business roll-up
Sparse ZBP book inside single-ZIP Castalia
Citywide ZBP: 3 establishments, 3 employees , annual payroll $65k (~5 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 52133 (3 units) .
ZIP Codes in Castalia, IA
These ZIP codes sit in Winneshiek County, which covers 8 ZIP codes in all; 1 of them fall in Castalia. See the Winneshiek County roll-up →
Castalia sits in the lower half of Winneshiek County on income: Calmar, Ossian and Fort Atkinson report more, Decorah and Spillville report less. Calmar marks the far end of that range at $100,559, 32% above Castalia.
| ZIP Code | Population | Median income | Establishments | Density |
|---|---|---|---|---|
| 52133 | 558 | $76,250 | 3 | 5 |
Castalia roll-ups here are for informational purposes only and do not constitute financial or relocation advice. ACS and Census ZBP figures are estimates; confirm the current table against Census before a money or move decision involving Castalia, .