18 ZIP Code Tabulation Areas in Jefferson County, Wisconsin. The population-weighted median household income is about $92,136, the median home value about $324,895, and 74.8% of occupied homes are owner-occupied.
- 18
- ZIP codes
- 183K
- Population
- 53
- Data points
Jefferson County at a glance
- $92,136
- Median household income
- $324,895
- Median home value
- 41.5
- Median age
- 74.8%
- Owner-occupied
- 79,047
- Housing units
Income, home value, and age are population-weighted averages of the ZIP-level medians in the file. Counts are exact.
Top 5 Jefferson County ZIP codes by median household income| # | ZIP | City | Population | Homeowner % | Median HH $ |
|---|
| 1 | 53119 | Eagle | 5,803 | 95.7% | $117,759 |
| 2 | 53137 | Helenville | 1,650 | 94.9% | $116,550 |
| 3 | 53066 | Ashippun | 37,558 | 78.2% | $113,114 |
| 4 | 53118 | Dousman | 7,554 | 86.9% | $108,772 |
| 5 | 53523 | Cambridge | 5,074 | 80.9% | $102,188 |
Top 5 Jefferson County ZIP codes by population| # | ZIP | City | Population | Homeowner % | Median HH $ |
|---|
| 1 | 53066 | Ashippun | 37,558 | 78.2% | $113,114 |
| 2 | 53190 | Lake Lorraine | 20,499 | 46.9% | $66,069 |
| 3 | 53538 | Fort Atkinson | 18,813 | 74.3% | $82,783 |
| 4 | 53094 | Johnson Creek | 17,998 | 68.4% | $73,443 |
| 5 | 53534 | Edgerton | 12,241 | 78.1% | $89,045 |
Top 5 Jefferson County ZIP codes by Homeowner GDP| # | ZIP | City | Population | Homeowner % | Median HH $ | Homeowner GDP |
|---|
| 1 | 53066 | Ashippun | 37,558 | 78.2% | $113,114 | $1.3B |
| 2 | 53538 | Fort Atkinson | 18,813 | 74.3% | $82,783 | $489.4M |
| 3 | 53094 | Johnson Creek | 17,998 | 68.4% | $73,443 | $362.6M |
| 4 | 53563 | Janesville | 11,280 | 84.6% | $89,528 | $350.9M |
| 5 | 53534 | Edgerton | 12,241 | 78.1% | $89,045 | $334.2M |
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: 53066 (Ashippun) at 364 people/sq mi. Least dense: 53137 (Helenville) at 50 people/sq mi.
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