Marshalltown, IA ZIP Codes
One ZIP code serves Marshalltown, Iowa: 50158. Together they are home to 31,396 residents in 11,788 households.
Marshalltown city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 27,626 |
| Households | 10,135 |
| Median household income | $69,068 |
| Median home value | $127,700 |
| Median age | 35.7 |
| Median rent | $891 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 31,396 |
| Households (sum of ZIP codes) | 11,788 |
| Median household income, range across ZIP codes | $70,367 (50158) to $70,367 (50158) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $70,367 |
| Homeowners | 71.6% |
| Households with kids under 18 | 31.4% |
| Moved in the past year | 9.5% |
| Carrier routes in EDDM2GO's route library | 23 routes, 12,585 homes (1 of 1 ZIP codes) |
Every ZIP code in Marshalltown
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 50158 | Marshalltown | 31,396 | 11,788 | $70,367 | $140,700 | 71.6% | 31.4% | 9.5% | 23 | 13,320 | 9% of its land; mailing city |
A ZIP code is listed for Marshalltown when at least 10% of its land lies inside Marshalltown city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Marshalltown. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Marshalltown.
Counties
- Marshall County — 17 ZIP codes
Price a mailing to Marshalltown ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Marshalltown, IA?
- 50158. A ZIP code is listed for Marshalltown when at least 10% of its land lies inside Marshalltown city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Marshalltown.
- What is the population of Marshalltown, IA?
- The Census Bureau counts 27,626 residents inside Marshalltown city limits (ACS 2020–2024). The 1 ZIP code that serve Marshalltown hold 31,396 residents in all.
- What is the median household income in Marshalltown, IA?
- $69,068 inside Marshalltown city limits, per the Census Bureau. Across its ZIP codes the medians run from $70,367 to $70,367.
- How many carrier routes and mailboxes are in Marshalltown, IA?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 23 carrier routes reaching 12,585 residential and 732 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.