4 ZIP Code Tabulation Areas in Johnston, Iowa. The population-weighted median household income is about $103,766, the median home value about $316,211, and 72.5% of occupied homes are owner-occupied.
- 4
- ZIP codes
- 76.7K
- Population
- 54
- Data points
Johnston at a glance
- $103,766
- Median household income
- $316,211
- Median home value
- 38.7
- Median age
- 72.5%
- Owner-occupied
- 31,299
- Housing units
Income, home value, and age are population-weighted averages of the ZIP-level medians in the file. Counts are exact.
Top 4 Johnston ZIP codes by median household income| # | ZIP | City | Population | Homeowner % | Median HH $ |
|---|
| 1 | 50111 | Granger | 16,865 | 71.7% | $120,769 |
| 2 | 50109 | Granger | 3,309 | 85.7% | $118,669 |
| 3 | 50131 | Johnston | 24,583 | 71.1% | $106,551 |
| 4 | 50322 | Des Moines | 31,931 | 72.8% | $92,085 |
Top 4 Johnston ZIP codes by population| # | ZIP | City | Population | Homeowner % | Median HH $ |
|---|
| 1 | 50322 | Des Moines | 31,931 | 72.8% | $92,085 |
| 2 | 50131 | Johnston | 24,583 | 71.1% | $106,551 |
| 3 | 50111 | Granger | 16,865 | 71.7% | $120,769 |
| 4 | 50109 | Granger | 3,309 | 85.7% | $118,669 |
Top 4 Johnston ZIP codes by Homeowner GDP| # | ZIP | City | Population | Homeowner % | Median HH $ | Homeowner GDP |
|---|
| 1 | 50322 | Des Moines | 31,931 | 72.8% | $92,085 | $869.2M |
| 2 | 50131 | Johnston | 24,583 | 71.1% | $106,551 | $708.9M |
| 3 | 50111 | Granger | 16,865 | 71.7% | $120,769 | $544.7M |
| 4 | 50109 | Granger | 3,309 | 85.7% | $118,669 | $126M |
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: 50322 (Des Moines) at 2,950 people/sq mi. Least dense: 50109 (Granger) at 165 people/sq mi.
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