Lake Wisconsin, WI ZIP Codes
3 ZIP codes serve Lake Wisconsin, Wisconsin: 53555, 53578 and 53955. Together they are home to 21,561 residents in 9,136 households. That is more than the 5,384 people counted inside Lake Wisconsin Census-designated place, because these ZIP codes reach past its boundary. Median household income ranges from $101,134 in 53955 to $119,305 in 53555.
Lake Wisconsin Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 5,384 |
| Households | 2,419 |
| Median household income | $124,127 |
| Median home value | $452,400 |
| Median age | 51.3 |
| Median rent | $1,515 |
All 3 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 21,561 |
| Households (sum of ZIP codes) | 9,136 |
| Median household income, range across ZIP codes | $101,134 (53955) to $119,305 (53555) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $110,179 |
| Homeowners | 82.7% |
| Households with kids under 18 | 26.5% |
| Moved in the past year | 8.1% |
| Carrier routes in EDDM2GO's route library | 5 routes, 2,737 homes (1 of 3 ZIP codes) |
Top facts
- Highest median household income in Lake Wisconsin: 53555 ($119,305)
- Most residents: 53555 (8,933 people)
- Highest homeownership: 53555 (86.8% own their home)
- Most households with kids: 53578 (27.9% of households)
- Most new movers: 53555 (9.3% moved in last year)
- Youngest median age: 53578 (42.6 years)
- Highest median home value: 53555 ($392,200)
Every ZIP code in Lake Wisconsin
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 53555 | Lodi | 8,933 | 3,890 | $119,305 | $392,200 | 86.8% | 24.5% | 9.3% | — | — | 9% of its land |
| 53578 | Prairie Du Sac | 6,503 | 2,669 | $105,610 | $347,000 | 75.6% | 27.9% | 7.3% | 5 | 2,913 | 5% of its land |
| 53955 | Poynette | 6,125 | 2,577 | $101,134 | $332,000 | 83.7% | 27.9% | 7.2% | — | — | 5% of its land |
A ZIP code is listed for Lake Wisconsin when at least 10% of its land lies inside the Lake Wisconsin Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Lake Wisconsin. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Lake Wisconsin.
Counties
- Columbia County — 18 ZIP codes
- Sauk County — 18 ZIP codes
Price a mailing to Lake Wisconsin ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Lake Wisconsin, WI?
- 53555, 53578 and 53955. A ZIP code is listed for Lake Wisconsin when at least 10% of its land lies inside the Lake Wisconsin Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Lake Wisconsin.
- What is the population of Lake Wisconsin, WI?
- The Census Bureau counts 5,384 residents inside Lake Wisconsin Census-designated place (ACS 2020–2024). The 3 ZIP codes that serve Lake Wisconsin hold 21,561 residents in all.
- What is the median household income in Lake Wisconsin, WI?
- $124,127 inside Lake Wisconsin Census-designated place, per the Census Bureau. Across its ZIP codes the medians run from $101,134 to $119,305.
- Which Lake Wisconsin ZIP code has the highest median household income?
- 53555, at $119,305, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Lake Wisconsin, WI?
- For the 1 of 3 ZIP codes in EDDM2GO's stored route library: 5 carrier routes reaching 2,737 residential and 175 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.