| ZIP Code | 51535 |
|---|---|
| City | Griswold |
| State | Iowa (IA) |
| County | Cass County |
| Area Code | 712 |
| Elevation | 1,121 ft |
| Latitude | 41.226474 |
|---|---|
| Longitude | -95.126714 |
| Timezone | Chicago (DST) |
| FIPS | 19029 |
| ZIP Type | Standard |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 50.0 yrs ↑ 22% since 2019 |
|---|---|
| Avg Household Size | 2.32 |
| Below Poverty | 6.5% ▼ 35% below avg |
| College Grads | 33.4% ▼ 14% below avg |
| Unemployment | 2.5% ▼ 48% below avg |
| No HS Diploma | 9 (0.8%) |
| HS Graduate | 434 (36.3%) |
| Some College | 135 (11.3%) |
| Associates | 218 (18.2%) |
| Bachelors | 155 (13%) |
| Graduate Degree | 245 (20.5%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $83,929 ▲ 10% above avg ↑ 36% since 2019 |
|---|---|
| Median Home Value | $135,500 ▼ 51% below avg ↑ 37% since 2019 |
| Home/Income Ratio | 1.6x (nat avg ~3.5x) |
| Median Rent | $952/mo ↑ 25% since 2019 |
| Total Units | 825 |
| Vacant Units | 79 |
| Avg HH Size | 2.32 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 825 |
|---|---|
| Vacant | 79 |
| Owner Occupied | 82.8% |
| Renter Occupied | 17.2% |
| Avg HH Size | 2.32 |
ZIP code 51535 is located in Griswold, Iowa, within Cass County. With a population of 1,768, this is a sparsely populated ZIP code with a mature community — the median age is 50 years. Economically, 51535 is a middle-income ZIP code: the median household income of $83,929 is near the national average.
Real estate in ZIP code 51535 represents one of the more affordable housing markets in the country. The median home value of $135,500 is well below the national average. Renters can expect to pay around $952 per month in median rent. Homeownership is strong here — 82.8% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 37% since 2019.
The population of 51535 is primarily White (93.27%). Residents are moderately educated — 33.4% hold a bachelor's degree or higher, which is near the national average. Poverty affects a relatively small share of residents at 6.5%. Household income has grown by 36% since 2019.
The unemployment rate in 51535 stands at 2.5%, which is below the national average. About 14% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 72%.
Overall, ZIP code 51535 in Griswold, IA is characterized as middle-income, moderately educated, a mature community, and predominantly owner-occupied. With 1,768 residents, a median household income of $83,929, and a median home value of $135,500, it offers a clear picture of life in this part of Iowa.