Delaware, IA ZIP Codes
2 ZIP codes serve Delaware, Iowa: 52223 and 52036. Together they are home to 1,334 residents in 664 households. That is more than the 138 people counted inside Delaware city limits, because these ZIP codes reach past its boundary.
Delaware city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 138 |
| Households | 68 |
| Median household income | $78,750 |
| Median home value | $143,400 |
| Median age | 55 |
| Median rent | $618 |
All 2 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 1,334 |
| Households (sum of ZIP codes) | 664 |
| Median household income, range across ZIP codes | $89,250 (52223) to $89,250 (52223) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $89,250 |
| Homeowners | 88.0% |
| Households with kids under 18 | 14.6% |
| Moved in the past year | 4.8% |
| Carrier routes in EDDM2GO's route library | 1 routes, 77 homes (1 of 2 ZIP codes) |
Every ZIP code in Delaware
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 52223 | Delhi | 1,199 | 599 | $89,250 | $204,000 | 88.5% | 14.4% | 4.7% | — | — | 0% of its land |
| 52036 | Delaware | 135 | 65 | $85,208 | $144,100 | 83.1% | 16.9% | 5.9% | 1 | 82 | 100% of its land; mailing city |
A ZIP code is listed for Delaware when at least 10% of its land lies inside Delaware city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Delaware. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Delaware.
Counties
- Delaware County — 16 ZIP codes
Price a mailing to Delaware ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Delaware, IA?
- 52223 and 52036. A ZIP code is listed for Delaware when at least 10% of its land lies inside Delaware city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Delaware.
- What is the population of Delaware, IA?
- The Census Bureau counts 138 residents inside Delaware city limits (ACS 2020–2024). The 2 ZIP codes that serve Delaware hold 1,334 residents in all.
- What is the median household income in Delaware, IA?
- $78,750 inside Delaware city limits, per the Census Bureau. Across its ZIP codes the medians run from $89,250 to $89,250.
- How many carrier routes and mailboxes are in Delaware, IA?
- For the 1 of 2 ZIP codes in EDDM2GO's stored route library: 1 carrier routes reaching 77 residential and 5 business mailboxes. The route map loads the rest when you search them.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.