Grinnell, IA ZIP Codes
One ZIP code serves Grinnell, Iowa: 50112. Together they are home to 11,862 residents in 4,671 households.
Grinnell city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 9,505 |
| Households | 3,635 |
| Median household income | $65,320 |
| Median home value | $209,500 |
| Median age | 36.5 |
| Median rent | $895 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 11,862 |
| Households (sum of ZIP codes) | 4,671 |
| Median household income, range across ZIP codes | $67,078 (50112) to $67,078 (50112) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $67,078 |
| Homeowners | 68.7% |
| Households with kids under 18 | 21.3% |
| Moved in the past year | 19.4% |
| Carrier routes in EDDM2GO's route library | 11 routes, 4,820 homes (1 of 1 ZIP codes) |
Every ZIP code in Grinnell
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 50112 | Grinnell | 11,862 | 4,671 | $67,078 | $214,900 | 68.7% | 21.3% | 19.4% | 11 | 5,104 | 3% of its land; mailing city |
A ZIP code is listed for Grinnell when at least 10% of its land lies inside Grinnell city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Grinnell. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Grinnell.
Counties
- Poweshiek County — 11 ZIP codes
Price a mailing to Grinnell ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Grinnell, IA?
- 50112. A ZIP code is listed for Grinnell when at least 10% of its land lies inside Grinnell city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Grinnell.
- What is the population of Grinnell, IA?
- The Census Bureau counts 9,505 residents inside Grinnell city limits (ACS 2020–2024). The 1 ZIP code that serve Grinnell hold 11,862 residents in all.
- What is the median household income in Grinnell, IA?
- $65,320 inside Grinnell city limits, per the Census Bureau. Across its ZIP codes the medians run from $67,078 to $67,078.
- How many carrier routes and mailboxes are in Grinnell, IA?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 11 carrier routes reaching 4,820 residential and 278 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.