Charter Oak, IA ZIP Codes
One ZIP code serves Charter Oak, Iowa: 51439. Together they are home to 818 residents in 362 households. That is more than the 580 people counted inside Charter Oak city limits, because these ZIP codes reach past its boundary.
Charter Oak city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 580 |
| Households | 237 |
| Median household income | $53,042 |
| Median home value | $77,700 |
| Median age | 43.4 |
| Median rent | $1,050 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 818 |
| Households (sum of ZIP codes) | 362 |
| Median household income, range across ZIP codes | $52,941 (51439) to $52,941 (51439) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $52,941 |
| Homeowners | 71.8% |
| Households with kids under 18 | 20.2% |
| Moved in the past year | 3.3% |
| Carrier routes in EDDM2GO's route library | not loaded yet |
Every ZIP code in Charter Oak
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 51439 | Charter Oak | 818 | 362 | $52,941 | $87,900 | 71.8% | 20.2% | 3.3% | — | — | 1% of its land; mailing city |
A ZIP code is listed for Charter Oak when at least 10% of its land lies inside Charter Oak city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Charter Oak. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Charter Oak.
Counties
- Crawford County — 17 ZIP codes
Price a mailing to Charter Oak ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Charter Oak, IA?
- 51439. A ZIP code is listed for Charter Oak when at least 10% of its land lies inside Charter Oak city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Charter Oak.
- What is the population of Charter Oak, IA?
- The Census Bureau counts 580 residents inside Charter Oak city limits (ACS 2020–2024). The 1 ZIP code that serve Charter Oak hold 818 residents in all.
- What is the median household income in Charter Oak, IA?
- $53,042 inside Charter Oak city limits, per the Census Bureau. Across its ZIP codes the medians run from $52,941 to $52,941.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.