17 ZIP Code Tabulation Areas in Poweshiek County, Iowa. The population-weighted median household income is about $71,924, the median home value about $176,462, and 74% of occupied homes are owner-occupied.
- 17
- ZIP codes
- 33.4K
- Population
- 53
- Data points
Poweshiek County at a glance
- $71,924
- Median household income
- $176,462
- Median home value
- 41.8
- Median age
- 74%
- Owner-occupied
- 15,575
- Housing units
Income, home value, and age are population-weighted averages of the ZIP-level medians in the file. Counts are exact.
Top 5 Poweshiek County ZIP codes by median household income| # | ZIP | City | Population | Homeowner % | Median HH $ |
|---|
| 1 | 50157 | Malcom | 473 | 82.4% | $115,000 |
| 2 | 50106 | Gilman | 1,163 | 92.2% | $101,193 |
| 3 | 52232 | Hartwick | 277 | 94.1% | $99,391 |
| 4 | 52221 | Guernsey | 332 | 82.5% | $86,473 |
| 5 | 52222 | Deep River | 631 | 86.3% | $81,964 |
Top 5 Poweshiek County ZIP codes by population| # | ZIP | City | Population | Homeowner % | Median HH $ |
|---|
| 1 | 50112 | Grinnell | 11,862 | 68.7% | $67,078 |
| 2 | 52339 | Tama | 4,326 | 67.6% | $67,612 |
| 3 | 52208 | Belle Plaine | 2,877 | 82% | $74,127 |
| 4 | 52211 | Brooklyn | 2,795 | 74.4% | $73,922 |
| 5 | 50171 | Barnes City | 2,524 | 71.1% | $65,000 |
Top 5 Poweshiek County ZIP codes by Homeowner GDP| # | ZIP | City | Population | Homeowner % | Median HH $ | Homeowner GDP |
|---|
| 1 | 50112 | Grinnell | 11,862 | 68.7% | $67,078 | $215.3M |
| 2 | 52208 | Belle Plaine | 2,877 | 82% | $74,127 | $76.5M |
| 3 | 52339 | Tama | 4,326 | 67.6% | $67,612 | $68.2M |
| 4 | 52211 | Brooklyn | 2,795 | 74.4% | $73,922 | $67.3M |
| 5 | 50171 | Barnes City | 2,524 | 71.1% | $65,000 | $56.9M |
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: 50112 (Grinnell) at 65 people/sq mi. Least dense: 50027 (Barnes City) at 5 people/sq mi.
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