ZIP codes
10
Jefferson County, WI Demographics & ZIP Codes
Jefferson County, Wisconsin demographics and median household income by ZIP code — 10 ZIP codes — population 76,790 — avg. income $87,750 — avg. home value $280,710. Compare income, housing, and ZIP-level data on US5.
Population
76,790
Median household income (avg.)
$87,750
117% of U.S. median
Average home value
$280,710
81% of U.S. median
Average rent
$848
73% of U.S. median
Jefferson County demographics
Jefferson County, Wisconsin covers 10 ZIP codes, with a combined ZIP-area population of about 76,790.
Median household income in Jefferson County
The average median household income across ZIP codes in Jefferson County, Wisconsin is about $87,750 — about 15% above the WI ZIP average ($76,216), and about 17% above the U.S. median ($75,149).
Among ZIPs with income data, 53137 (Rome) is near the top at about $111,346, while 53094 (Watertown) is near the bottom at about $71,973.
Housing in Jefferson County
For housing in Jefferson County, Wisconsin, the average median home value is about $280,710 and the average median rent is about $848.
The most populous ZIP is 53538 (Lake Koshkonong) with about 18,604 residents. Use the table below to compare ZIP codes across the county.
ZIP codes in Jefferson County
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 53538 | Lake Koshkonong | Jefferson County | WI | 18,604 | $80,784 | $228,200 |
| 53094 | Watertown | Jefferson County | WI | 18,151 | $71,973 | $223,900 |
| 53549 | Jefferson | Jefferson County | WI | 9,901 | $78,058 | $247,200 |
| 53551 | Lake Mills | Jefferson County | WI | 9,485 | $89,841 | $322,700 |
| 53594 | Waterloo | Jefferson County | WI | 5,187 | $80,000 | $236,900 |
| 53038 | Johnson Creek | Jefferson County | WI | 4,319 | $93,333 | $298,700 |
| 53036 | Ixonia | Jefferson County | WI | 3,483 | $94,231 | $347,100 |
| 53156 | Palmyra | Jefferson County | WI | 3,314 | $83,413 | $235,700 |
| 53178 | Sullivan | Jefferson County | WI | 2,741 | $94,522 | $337,800 |
| 53137 | Rome | Jefferson County | WI | 1,605 | $111,346 | $328,900 |
Frequently asked questions
What are the demographics of Jefferson County?
Jefferson County, Wisconsin has a combined ZIP-area population of about 76,790 across 10 ZIP codes. Browse the ZIP table for population, income, and housing by code.
What is the median household income in Jefferson County?
The average median household income across ZIP codes in Jefferson County, Wisconsin is about $87,750, about 15% above the state ZIP average ($76,216), and about 17% above the U.S. median ($75,149). Average median home value is about $280,710. Among ZIPs with data, 53137 (Rome) is near the top ($111,346) and 53094 (Watertown) is near the bottom ($71,973).
How many ZIP codes are in Jefferson County?
Jefferson County, Wisconsin includes 10 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Jefferson County?
This page lists ZIP codes in Jefferson County, Wisconsin with population, median household income, and home value. Select a ZIP for a full demographics profile.