County · GEOID 55055
Jefferson County, WI ZIP codes
19 ZIP/ZCTAs intersecting this county.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: County Jefferson County (GEOID 55055). Methodology
Combined population of ZIP/ZCTAs intersecting this county: 193,521 (19 ZIPs).
Combined population of ZIP/ZCTAs intersecting this county. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census county ACS headline above. Methodology
ZIP/ZCTA overlap with Jefferson County
Population overlap
Share of each ZIP/ZCTA’s population located within Jefferson County, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- 5303689.4%
Directory county
- 53038100.0%
Directory county
- 530665.5%
- 53094100.0%
Directory county
- 530980.0%
- 531185.8%
- 531190.8%
- 53137100.0%
Directory county
- 53156100.0%
Directory county
- 53178100.0%
Directory county
- 5319020.8%
- 5352348.1%
- 535341.9%
- 5353899.3%
Directory county
- 53549100.0%
Directory county
- 53551100.0%
Directory county
- 535590.2%
- 535631.0%
- 5359483.0%
Directory county
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
ZIP codes intersecting Jefferson County
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 53036 | Ixonia | Jefferson County | 3,483 | $94,231 |
| 53038 | Johnson Creek | Jefferson County | 4,319 | $93,333 |
| 53066 | Oconomowoc | Waukesha County | 37,056 | $111,348 |
| 53094 | Watertown | Jefferson County | 18,151 | $71,973 |
| 53098 | Watertown | Dodge County | 11,505 | $73,147 |
| 53118 | Dousman | Waukesha County | 7,107 | $103,921 |
| 53119 | Eagle | Waukesha County | 5,732 | $115,292 |
| 53137 | Helenville | Jefferson County | 1,605 | $111,346 |
| 53156 | Palmyra | Jefferson County | 3,314 | $83,413 |
| 53178 | Sullivan | Jefferson County | 2,741 | $94,522 |
| 53190 | Whitewater | Walworth County | 20,461 | $59,598 |
| 53523 | Cambridge | Dane County | 5,077 | $100,903 |
| 53534 | Edgerton | Rock County | 12,344 | $94,250 |
| 53538 | Fort Atkinson | Jefferson County | 18,604 | $80,784 |
| 53549 | Jefferson | Jefferson County | 9,901 | $78,058 |
| 53551 | Lake Mills | Jefferson County | 9,485 | $89,841 |
| 53559 | Marshall | Dane County | 5,981 | $95,805 |
| 53563 | Milton | Rock County | 11,468 | $89,397 |
| 53594 | Waterloo | Jefferson County | 5,187 | $80,000 |