21 ZIP Code Tabulation Areas in Portage County, Wisconsin. The population-weighted median household income is about $77,257, the median home value about $225,763, and 74.2% of occupied homes are owner-occupied.
- 21
- ZIP codes
- 145.9K
- Population
- 53
- Data points
Portage County at a glance
- $77,257
- Median household income
- $225,763
- Median home value
- 41.8
- Median age
- 74.2%
- Owner-occupied
- 68,951
- Housing units
Income, home value, and age are population-weighted averages of the ZIP-level medians in the file. Counts are exact.
Top 5 Portage County ZIP codes by median household income| # | ZIP | City | Population | Homeowner % | Median HH $ |
|---|
| 1 | 54423 | Polonia | 2,394 | 92.7% | $113,690 |
| 2 | 54407 | Amherst Junction | 1,350 | 91.1% | $101,563 |
| 3 | 54443 | Junction City | 2,145 | 89.9% | $99,423 |
| 4 | 54455 | Knowlton | 19,025 | 80.7% | $96,140 |
| 5 | 54482 | Stevens Point | 8,963 | 82% | $94,500 |
Top 5 Portage County ZIP codes by population| # | ZIP | City | Population | Homeowner % | Median HH $ |
|---|
| 1 | 54481 | Park Ridge | 28,242 | 57.4% | $59,545 |
| 2 | 54494 | Biron | 27,696 | 77.7% | $72,595 |
| 3 | 54455 | Knowlton | 19,025 | 80.7% | $96,140 |
| 4 | 54467 | Plover | 14,870 | 61.1% | $87,580 |
| 5 | 54981 | Chain O' Lakes | 14,870 | 76.5% | $72,640 |
Top 5 Portage County ZIP codes by Homeowner GDP| # | ZIP | City | Population | Homeowner % | Median HH $ | Homeowner GDP |
|---|
| 1 | 54494 | Biron | 27,696 | 77.7% | $72,595 | $678.2M |
| 2 | 54455 | Knowlton | 19,025 | 80.7% | $96,140 | $610M |
| 3 | 54481 | Park Ridge | 28,242 | 57.4% | $59,545 | $406.2M |
| 4 | 54981 | Chain O' Lakes | 14,870 | 76.5% | $72,640 | $379.5M |
| 5 | 54467 | Plover | 14,870 | 61.1% | $87,580 | $326.3M |
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: 54481 (Park Ridge) at 431 people/sq mi. Least dense: 54921 (Bancroft) at 17 people/sq mi.
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