Castana, IA ZIP Codes
One ZIP code serves Castana, Iowa: 51010. Together they are home to 425 residents in 208 households. That is more than the 162 people counted inside Castana city limits, because these ZIP codes reach past its boundary.
Castana city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 162 |
| Households | 81 |
| Median household income | $55,469 |
| Median home value | $74,400 |
| Median age | 43.8 |
| Median rent | $638 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 425 |
| Households (sum of ZIP codes) | 208 |
| Median household income, range across ZIP codes | $89,063 (51010) to $89,063 (51010) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $89,063 |
| Homeowners | 87.5% |
| Households with kids under 18 | 21.2% |
| Moved in the past year | 0.0% |
| Carrier routes in EDDM2GO's route library | 2 routes, 142 homes (1 of 1 ZIP codes) |
Every ZIP code in Castana
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 51010 | Castana | 425 | 208 | $89,063 | $114,800 | 87.5% | 21.2% | 0.0% | 2 | 145 | 1% of its land; mailing city |
A ZIP code is listed for Castana when at least 10% of its land lies inside Castana city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Castana. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Castana.
Counties
- Monona County — 14 ZIP codes
Price a mailing to Castana ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Castana, IA?
- 51010. A ZIP code is listed for Castana when at least 10% of its land lies inside Castana city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Castana.
- What is the population of Castana, IA?
- The Census Bureau counts 162 residents inside Castana city limits (ACS 2020–2024). The 1 ZIP code that serve Castana hold 425 residents in all.
- What is the median household income in Castana, IA?
- $55,469 inside Castana city limits, per the Census Bureau. Across its ZIP codes the medians run from $89,063 to $89,063.
- How many carrier routes and mailboxes are in Castana, IA?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 2 carrier routes reaching 142 residential and 3 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.