15 ZIP Code Tabulation Areas in Buchanan County, Iowa. The population-weighted median household income is about $74,814, the median home value about $171,794, and 82% of occupied homes are owner-occupied.
- 15
- ZIP codes
- 32.1K
- Population
- 53
- Data points
Buchanan County at a glance
- $74,814
- Median household income
- $171,794
- Median home value
- 42.1
- Median age
- 82%
- Owner-occupied
- 14,421
- Housing units
Income, home value, and age are population-weighted averages of the ZIP-level medians in the file. Counts are exact.
Top 5 Buchanan County ZIP codes by median household income| # | ZIP | City | Population | Homeowner % | Median HH $ |
|---|
| 1 | 50629 | Fairbank | 2,082 | 87.5% | $103,106 |
| 2 | 50648 | Gilbertville | 4,269 | 86.6% | $95,353 |
| 3 | 52352 | Walker | 1,833 | 85.4% | $92,321 |
| 4 | 50682 | Winthrop | 1,692 | 83.8% | $89,375 |
| 5 | 52218 | Coggon | 1,413 | 92.3% | $82,344 |
Top 5 Buchanan County ZIP codes by population| # | ZIP | City | Population | Homeowner % | Median HH $ |
|---|
| 1 | 50644 | Independence | 8,419 | 78.5% | $80,026 |
| 2 | 50662 | Oelwein | 6,576 | 77.7% | $48,646 |
| 3 | 50648 | Gilbertville | 4,269 | 86.6% | $95,353 |
| 4 | 50629 | Fairbank | 2,082 | 87.5% | $103,106 |
| 5 | 50641 | Hazleton | 1,950 | 88.9% | $67,115 |
Top 5 Buchanan County ZIP codes by Homeowner GDP| # | ZIP | City | Population | Homeowner % | Median HH $ | Homeowner GDP |
|---|
| 1 | 50644 | Independence | 8,419 | 78.5% | $80,026 | $228.6M |
| 2 | 50648 | Gilbertville | 4,269 | 86.6% | $95,353 | $134.5M |
| 3 | 50662 | Oelwein | 6,576 | 77.7% | $48,646 | $111.1M |
| 4 | 50629 | Fairbank | 2,082 | 87.5% | $103,106 | $72.2M |
| 5 | 52352 | Walker | 1,833 | 85.4% | $92,321 | $52.7M |
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: 52326 (Quasqueton) at 700 people/sq mi. Least dense: 50654 (Masonville) at 5 people/sq mi.
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