17 ZIP Code Tabulation Areas in Clay County, Iowa. The population-weighted median household income is about $66,695, the median home value about $163,328, and 76.4% of occupied homes are owner-occupied.
- 17
- ZIP codes
- 23.5K
- Population
- 53
- Data points
Clay County at a glance
- $66,695
- Median household income
- $163,328
- Median home value
- 42.8
- Median age
- 76.4%
- Owner-occupied
- 11,745
- Housing units
Income, home value, and age are population-weighted averages of the ZIP-level medians in the file. Counts are exact.
Top 5 Clay County ZIP codes by median household income| # | ZIP | City | Population | Homeowner % | Median HH $ |
|---|
| 1 | 51333 | Dickens | 374 | 92.1% | $110,833 |
| 2 | 51047 | Peterson | 693 | 88.9% | $101,000 |
| 3 | 51340 | Fostoria | 75 | 89.2% | $90,250 |
| 4 | 51366 | Webb | 245 | 84.6% | $87,500 |
| 5 | 51346 | Hartley | 2,247 | 82.7% | $72,426 |
Top 5 Clay County ZIP codes by population| # | ZIP | City | Population | Homeowner % | Median HH $ |
|---|
| 1 | 51301 | Fostoria | 12,638 | 70.3% | $63,402 |
| 2 | 51346 | Hartley | 2,247 | 82.7% | $72,426 |
| 3 | 51358 | Ruthven | 1,213 | 82.1% | $64,583 |
| 4 | 51058 | Sutherland | 1,096 | 82.3% | $63,036 |
| 5 | 50585 | Sioux Rapids | 1,080 | 83.6% | $71,346 |
Top 5 Clay County ZIP codes by Homeowner GDP| # | ZIP | City | Population | Homeowner % | Median HH $ | Homeowner GDP |
|---|
| 1 | 51301 | Fostoria | 12,638 | 70.3% | $63,402 | $253.2M |
| 2 | 51346 | Hartley | 2,247 | 82.7% | $72,426 | $57.7M |
| 3 | 51047 | Peterson | 693 | 88.9% | $101,000 | $28.2M |
| 4 | 51358 | Ruthven | 1,213 | 82.1% | $64,583 | $26.9M |
| 5 | 50585 | Sioux Rapids | 1,080 | 83.6% | $71,346 | $26.1M |
Homeowner GDP = owner-occupied units × median household income — a proxy for aggregate homeowner spending power in a ZIP, useful for scoring market opportunity. Not an official economic statistic.
Densest: 51340 (Fostoria) at 627 people/sq mi. Least dense: 51366 (Webb) at 4 people/sq mi.
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