15 ZIP Code Tabulation Areas in Plymouth County, Iowa. The population-weighted median household income is about $82,671, the median home value about $204,706, and 77.4% of occupied homes are owner-occupied.
- 15
- ZIP codes
- 38.5K
- Population
- 53
- Data points
Plymouth County at a glance
- $82,671
- Median household income
- $204,706
- Median home value
- 40.7
- Median age
- 77.4%
- Owner-occupied
- 15,971
- Housing units
Income, home value, and age are population-weighted averages of the ZIP-level medians in the file. Counts are exact.
Top 5 Plymouth County ZIP codes by median household income| # | ZIP | City | Population | Homeowner % | Median HH $ |
|---|
| 1 | 51024 | Hinton | 2,081 | 84% | $114,219 |
| 2 | 51045 | Oyens | 66 | 91.7% | $113,750 |
| 3 | 51027 | Ireton | 1,280 | 82.7% | $100,893 |
| 4 | 51022 | Granville | 960 | 89.1% | $96,505 |
| 5 | 51038 | Merrill | 1,449 | 87.9% | $95,893 |
Top 5 Plymouth County ZIP codes by population| # | ZIP | City | Population | Homeowner % | Median HH $ |
|---|
| 1 | 51031 | Craig | 12,808 | 65.1% | $76,525 |
| 2 | 51108 | Sioux City | 5,960 | 83.3% | $81,205 |
| 3 | 51109 | Sioux City | 3,606 | 87% | $79,034 |
| 4 | 51050 | Remsen | 2,962 | 85.9% | $92,500 |
| 5 | 51001 | Akron | 2,342 | 76.1% | $75,404 |
Top 5 Plymouth County ZIP codes by Homeowner GDP| # | ZIP | City | Population | Homeowner % | Median HH $ | Homeowner GDP |
|---|
| 1 | 51031 | Craig | 12,808 | 65.1% | $76,525 | $259.9M |
| 2 | 51108 | Sioux City | 5,960 | 83.3% | $81,205 | $146.2M |
| 3 | 51109 | Sioux City | 3,606 | 87% | $79,034 | $99.5M |
| 4 | 51050 | Remsen | 2,962 | 85.9% | $92,500 | $84.4M |
| 5 | 51024 | Hinton | 2,081 | 84% | $114,219 | $78.6M |
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: 51045 (Oyens) at 999 people/sq mi. Least dense: 51062 (Westfield) at 9 people/sq mi.
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