ZIP code 51535
Where is ZIP code 51535?
Griswold, Iowa
Cass County · Standard ZIP code
ZIP code 51535 belongs to Griswold, Iowa in Cass County. 51535 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Central Time zone and uses area code 712. About 1,697 people live in the 51535 area, where the median household income is $76,371. The closest ZIP codes are 51544 (Lewis, 5.8 mi northeast), 51532 (Elliott, 7.3 mi south) and 50847 (Grant, 10.2 mi southeast).
| ZIP code | 51535 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Griswold |
| State | Iowa (IA) |
| County | Cass County |
| Time zone | Central Time · now |
| Area code | 712 |
| Coordinates | 41.235, -95.1375 map |
| 3-digit prefix | 515 |
Population and income in 51535
| Population | 1,697 · higher than 68% of Iowa ZIP codes |
|---|---|
| People per square mile | 13 · lower than 74% of Iowa ZIP codes |
| Median age | 50.4 years · higher than 80% of Iowa ZIP codes |
| Men / women | 53% / 47% |
| Median household income | $76,371 · higher than 57% of Iowa ZIP codes |
| Income per person | $43,285 |
| Below the poverty line | 7.9% |
| Bachelor’s degree or higher | 23% of adults 25+ |
| Median home value | $152,300 · lower than 57% of Iowa ZIP codes |
| Median rent | $950 a month |
| Housing units | 791 |
| Households | 740 (2.25 people on average) |
| Owners / renters | 79% / 21% |
| Land area | 135.33 sq mi (plus 0.01 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 51535. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 51535
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 51544 | Lewis, IA | 5.8 mi NE | Standard |
| 51532 | Elliott, IA | 7.3 mi S | Standard |
| 50847 | Grant, IA | 10.2 mi SE | PO Box only |
| 50022 | Atlantic, IA | 13.2 mi NE | Standard |
| 51560 | Oakland, IA | 13.6 mi NW | Standard |
| 50843 | Cumberland, IA | 14 mi E | Standard |
| 51591 | Red Oak, IA | 14.2 mi S | PO Box only |
| 51525 | Carson, IA | 14.6 mi W | Standard |
| 51536 | Hancock, IA | 14.8 mi NW | Standard |
| 51552 | Marne, IA | 15.3 mi N | Standard |
| 51549 | Macedonia, IA | 15.6 mi W | Standard |
| 51577 | Walnut, IA | 16.3 mi N | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 51535 or measure the distance to another ZIP code.
How to address mail to 51535
123 MAIN ST
GRISWOLD IA 51535
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (51535-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 51535?
- 51535 is a Griswold, Iowa ZIP code.
- What county is 51535 in?
- ZIP code 51535 is in Cass County, Iowa.
- What time zone is ZIP code 51535 in?
- 51535 is in the Central Time zone (America/Chicago).
- What area code is 51535?
- Phone numbers in ZIP code 51535 use area code 712.
- What is the population of ZIP code 51535?
- About 1,697 people live in ZIP code 51535, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 51535?
- The median household income in 51535 is $76,371 a year, higher than 57% of Iowa ZIP codes.
- What ZIP codes are near 51535?
- The nearest ZIP codes to 51535 are 51544 (Lewis, 5.8 miles), 51532 (Elliott, 7.3 miles), 50847 (Grant, 10.2 miles) and 50022 (Atlantic, 13.2 miles).