15 ZIP Code Tabulation Areas in Calhoun County, Iowa. The population-weighted median household income is about $67,090, the median home value about $126,073, and 77.9% of occupied homes are owner-occupied.
- 15
- ZIP codes
- 15.3K
- Population
- 53
- Data points
Calhoun County at a glance
- $67,090
- Median household income
- $126,073
- Median home value
- 43.8
- Median age
- 77.9%
- Owner-occupied
- 7,601
- Housing units
Income, home value, and age are population-weighted averages of the ZIP-level medians in the file. Counts are exact.
Top 5 Calhoun County ZIP codes by median household income| # | ZIP | City | Population | Homeowner % | Median HH $ |
|---|
| 1 | 50552 | Knierim | 76 | 88.5% | $89,000 |
| 2 | 51453 | Lanesboro | 500 | 69% | $86,563 |
| 3 | 50566 | Moorland | 325 | 94.9% | $78,750 |
| 4 | 51449 | Lake City | 1,950 | 80.6% | $75,329 |
| 5 | 50540 | Fonda | 998 | 72.9% | $73,438 |
Top 5 Calhoun County ZIP codes by population| # | ZIP | City | Population | Homeowner % | Median HH $ |
|---|
| 1 | 50579 | Rockwell City | 3,034 | 78.2% | $61,108 |
| 2 | 50563 | Knierim | 2,505 | 79.2% | $71,094 |
| 3 | 50583 | Sac City | 2,288 | 71.7% | $62,981 |
| 4 | 51449 | Lake City | 1,950 | 80.6% | $75,329 |
| 5 | 50540 | Fonda | 998 | 72.9% | $73,438 |
Top 5 Calhoun County ZIP codes by Homeowner GDP| # | ZIP | City | Population | Homeowner % | Median HH $ | Homeowner GDP |
|---|
| 1 | 50563 | Knierim | 2,505 | 79.2% | $71,094 | $62M |
| 2 | 50583 | Sac City | 2,288 | 71.7% | $62,981 | $52.9M |
| 3 | 50579 | Rockwell City | 3,034 | 78.2% | $61,108 | $51.8M |
| 4 | 51449 | Lake City | 1,950 | 80.6% | $75,329 | $49.9M |
| 5 | 50540 | Fonda | 998 | 72.9% | $73,438 | $18.8M |
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: 50552 (Knierim) at 152 people/sq mi. Least dense: 50551 (Jolley) at 4 people/sq mi.
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