Underwood, IA ZIP Codes
One ZIP code serves Underwood, Iowa: 51576. Together they are home to 1,769 residents in 650 households. That is more than the 898 people counted inside Underwood city limits, because these ZIP codes reach past its boundary.
Underwood city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 898 |
| Households | 315 |
| Median household income | $105,341 |
| Median home value | $253,500 |
| Median age | 33.5 |
| Median rent | $1,063 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 1,769 |
| Households (sum of ZIP codes) | 650 |
| Median household income, range across ZIP codes | $110,476 (51576) to $110,476 (51576) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $110,476 |
| Homeowners | 89.2% |
| Households with kids under 18 | 26.8% |
| Moved in the past year | 4.9% |
| Carrier routes in EDDM2GO's route library | 3 routes, 689 homes (1 of 1 ZIP codes) |
Every ZIP code in Underwood
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 51576 | Underwood | 1,769 | 650 | $110,476 | $305,400 | 89.2% | 26.8% | 4.9% | 3 | 697 | 2% of its land; mailing city |
A ZIP code is listed for Underwood when at least 10% of its land lies inside Underwood city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Underwood. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Underwood.
Counties
- Pottawattamie County — 23 ZIP codes
Price a mailing to Underwood ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Underwood, IA?
- 51576. A ZIP code is listed for Underwood when at least 10% of its land lies inside Underwood city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Underwood.
- What is the population of Underwood, IA?
- The Census Bureau counts 898 residents inside Underwood city limits (ACS 2020–2024). The 1 ZIP code that serve Underwood hold 1,769 residents in all.
- What is the median household income in Underwood, IA?
- $105,341 inside Underwood city limits, per the Census Bureau. Across its ZIP codes the medians run from $110,476 to $110,476.
- How many carrier routes and mailboxes are in Underwood, IA?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 3 carrier routes reaching 689 residential and 8 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.