Jefferson County, WI ZIP Codes
14 ZIP codes cover all or part of Jefferson County, Wisconsin. The Census Bureau counts 86,003 residents in the county, with a median household income of $83,750 and a median home value of $274,100. Median household income ranges from $66,069 in 53190 to $116,550 in 53137. Its largest communities include Watertown, Fort Atkinson, Jefferson, Lake Mills and Waterloo.
Jefferson County (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 86,003 |
| Households | 34,873 |
| Median household income | $83,750 |
| Median home value | $274,100 |
| Median age | 41.5 |
| Median rent | $1,035 |
All 14 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 147,600 |
| Households (sum of ZIP codes) | 58,875 |
| Median household income, range across ZIP codes | $66,069 (53190) to $116,550 (53137) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $91,540 |
| Homeowners | 72.7% |
| Households with kids under 18 | 25.1% |
| Moved in the past year | 11.8% |
| Carrier routes in EDDM2GO's route library | 87 routes, 51,414 homes (10 of 14 ZIP codes) |
Top facts
- Highest median household income in Jefferson County: 53137 ($116,550)
- Most residents: 53066 (37,558 people)
- Highest homeownership: 53137 (94.9% own their home)
- Most households with kids: 53038 (28.7% of households)
- Most new movers: 53190 (29.7% moved in last year)
- Youngest median age: 53190 (23.7 years)
- Highest median home value: 53066 ($427,900)
Every ZIP code in Jefferson County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 53066 | Oconomowoc | 37,558 | 15,148 | $113,114 | $427,900 | 78.2% | 27.1% | 11.0% | 28 | 18,636 | 17% of its land |
| 53190 | Whitewater | 20,499 | 7,126 | $66,069 | $265,100 | 46.9% | 19.2% | 29.7% | 12 | 7,637 | 24% of its land |
| 53538 | Fort Atkinson | 18,813 | 7,960 | $82,783 | $245,900 | 74.3% | 22.8% | 8.5% | 14 | 8,558 | 98% of its land |
| 53094 | Watertown | 17,998 | 7,214 | $73,443 | $237,500 | 68.4% | 27.1% | 11.7% | 13 | 7,912 | 100% of its land |
| 53549 | Jefferson | 9,873 | 4,292 | $80,101 | $262,200 | 72.1% | 24.2% | 8.3% | — | — | 100% of its land |
| 53551 | Lake Mills | 9,731 | 3,769 | $94,401 | $357,400 | 74.5% | 26.4% | 6.4% | — | — | 100% of its land |
| 53118 | Dousman | 7,554 | 2,990 | $108,772 | $372,600 | 86.9% | 25.0% | 3.7% | 5 | 3,116 | 13% of its land |
| 53594 | Waterloo | 5,199 | 2,212 | $88,390 | $244,200 | 73.8% | 27.7% | 7.1% | 4 | 2,343 | 52% of its land |
| 53523 | Cambridge | 5,074 | 2,158 | $102,188 | $345,300 | 80.9% | 27.2% | 10.4% | — | — | 35% of its land |
| 53038 | Johnson Creek | 4,192 | 1,616 | $96,127 | $327,400 | 81.2% | 28.7% | 7.2% | 3 | 1,922 | 100% of its land |
| 53036 | Ixonia | 3,730 | 1,405 | $92,674 | $352,300 | 82.1% | 28.6% | 5.1% | 3 | 1,430 | 71% of its land |
| 53156 | Palmyra | 3,232 | 1,306 | $85,313 | $238,200 | 79.2% | 24.5% | 7.6% | 2 | 1,267 | 100% of its land |
| 53178 | Sullivan | 2,497 | 1,028 | $99,875 | $371,500 | 72.8% | 19.5% | 4.1% | 3 | 1,185 | 100% of its land |
| 53137 | Helenville | 1,650 | 651 | $116,550 | $366,200 | 94.9% | 23.7% | 4.3% | — | — | 100% of its land |
A ZIP code is listed for Jefferson County when at least 10% of its land is in the county, when it holds at least 10% of the county's land, or when the county is its main county. Totals add up whole ZIP codes, including parts that cross the county line; the Census county figures above do not.
Cities and communities
- Watertown — 22,774 residents · 2 ZIP codes
- Fort Atkinson — 12,463 residents · 1 ZIP code
- Jefferson — 7,732 residents · 1 ZIP code
- Lake Mills — 6,470 residents · 1 ZIP code
- Waterloo — 3,600 residents · 1 ZIP code
- Johnson Creek — 3,362 residents · 2 ZIP codes
- Ixonia — 2,684 residents · 1 ZIP code
- Palmyra — 2,195 residents · 1 ZIP code
- Lake Koshkonong — 1,010 residents · 2 ZIP codes
- Ashippun — 919 residents · 3 ZIP codes
- Sullivan — 663 residents · 1 ZIP code
- Rome — 620 residents · 2 ZIP codes
- Hebron — 344 residents · 1 ZIP code
- Lac La Belle — 259 residents · 2 ZIP codes
- Helenville — 96 residents · 1 ZIP code
Rankings
- Richest ZIP codes in Jefferson County — 14 ZIP codes ranked
- ZIP codes with the highest home values in Jefferson County — 14 ZIP codes ranked
- ZIP codes with the highest homeownership in Jefferson County — 14 ZIP codes ranked
- ZIP codes with the most families with kids in Jefferson County — 14 ZIP codes ranked
- ZIP codes with the most new movers in Jefferson County — 14 ZIP codes ranked
- Youngest ZIP codes in Jefferson County — 14 ZIP codes ranked
- Oldest ZIP codes in Jefferson County — 14 ZIP codes ranked
- Fastest-growing ZIP codes in Jefferson County — 14 ZIP codes ranked
Price a mailing to Jefferson County ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Jefferson County, WI?
- 53066, 53190, 53538, 53094, 53549, 53551, 53118, 53594, 53523, 53038, 53036, 53156, 53178 and 53137. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of Jefferson County?
- 86,003 residents in 34,873 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in Jefferson County?
- $83,750 for the county as a whole. Its ZIP codes range from $66,069 (53190) to $116,550 (53137).
- Which Jefferson County ZIP code has the highest median household income?
- 53137, at $116,550, among ZIP codes with at least 1,000 residents. See the full ranking of Jefferson County ZIP codes by income.
- How many carrier routes and mailboxes are in Jefferson County?
- For the 10 of 14 ZIP codes in EDDM2GO's stored route library: 87 carrier routes reaching 51,414 residential and 2,586 business mailboxes. The route map loads the rest when you search them.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.