Griswold, IA ZIP Codes
One ZIP code serves Griswold, Iowa: 51535. Together they are home to 1,697 residents in 740 households. That is more than the 975 people counted inside Griswold city limits, because these ZIP codes reach past its boundary.
Griswold city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 975 |
| Households | 436 |
| Median household income | $55,000 |
| Median home value | $98,900 |
| Median age | 50 |
| Median rent | $907 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 1,697 |
| Households (sum of ZIP codes) | 740 |
| Median household income, range across ZIP codes | $76,371 (51535) to $76,371 (51535) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $76,371 |
| Homeowners | 78.6% |
| Households with kids under 18 | 25.5% |
| Moved in the past year | 9.4% |
| Carrier routes in EDDM2GO's route library | not loaded yet |
Every ZIP code in Griswold
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 51535 | Griswold | 1,697 | 740 | $76,371 | $152,300 | 78.6% | 25.5% | 9.4% | — | — | 0% of its land; mailing city |
A ZIP code is listed for Griswold when at least 10% of its land lies inside Griswold city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Griswold. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Griswold.
Counties
- Cass County — 9 ZIP codes
Price a mailing to Griswold ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Griswold, IA?
- 51535. A ZIP code is listed for Griswold when at least 10% of its land lies inside Griswold city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Griswold.
- What is the population of Griswold, IA?
- The Census Bureau counts 975 residents inside Griswold city limits (ACS 2020–2024). The 1 ZIP code that serve Griswold hold 1,697 residents in all.
- What is the median household income in Griswold, IA?
- $55,000 inside Griswold city limits, per the Census Bureau. Across its ZIP codes the medians run from $76,371 to $76,371.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.