Lake Wisconsin, Wisconsin Demographics & Population 2026
During the 2020–2024 ACS period, Lake Wisconsin, Wisconsin had a total population of 5,384, the 150th largest community in Wisconsin, with a median household income of $124,127, which is 60% higher than the state average. The poverty rate is 3.0%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 60% above the state average — one of the wealthiest communities in Wisconsin.
- An exceptionally low poverty rate of 3.0% — among the lowest in Wisconsin.
- Near full employment with an unemployment rate of just 2.0%.
Lake Wisconsin Quick Facts
How Lake Wisconsin Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 5,051 | 5,384 | +6.6% |
| Median household income | $116,053 | $124,127 | +7.0% |
| Median home value | $421,500 | $452,400 | +7.3% |
How Lake Wisconsin Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 37 | National average: 61
Education
Educational Attainment (Adults 25+)
Lake Wisconsin Rankings in Wisconsin
Explore Wisconsin Rankings
Other Cities in Sauk County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Baraboo | 12,769 | $69,750 | 8.4% | $222,100 |
| Reedsburg | 10,168 | $75,028 | 8.3% | $229,100 |
| Prairie du Sac | 4,382 | $101,049 | 7.7% | $321,300 |
| Sauk City | 3,483 | $91,042 | 8.4% | $291,400 |
| Lake Delton | 3,482 | $51,964 | 12.6% | $178,300 |
| Wisconsin Dells | 2,547 | $54,688 | 11.3% | $207,100 |
| West Baraboo | 1,577 | $60,880 | 9.6% | $224,700 |
| Spring Green | 1,397 | $87,344 | 6.8% | $248,800 |
| Plain | 780 | $96,000 | 6.5% | $234,200 |
| North Freedom | 716 | $83,750 | 15.3% | $157,700 |
Cities Similar to Lake Wisconsin
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Bristol | 5,207 | $123,648 | $312,800 | 36.4% | 1.9% |
| Tichigan | 5,052 | $126,933 | $445,800 | 44.5% | 3.6% |
| Summit | 5,114 | $140,682 | $533,300 | 54.3% | 5.0% |
| West Salem | 5,330 | $97,019 | $277,100 | 46.0% | 8.6% |
| Union Grove | 5,036 | $107,482 | $277,400 | 31.7% | 4.0% |
Population Overview
Lake Wisconsin is a small city located in Wisconsin, within Sauk County. The total population is 5,384. It ranks as the 150th most populous out of 808 Census-designated places in Wisconsin.
Age Demographics
The median age in Lake Wisconsin is 51.3 years. This is 28% higher than the state median of 40.2 years.
Economy, Income & Housing
The median household income in Lake Wisconsin is $124,127. This is 60% higher than the state median of $77,485. It is also 54% higher than the national median of $80,734. The poverty rate stands at 3.0%. This is 72% lower than the state poverty rate of 10.5%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 2.0%. This is 38% lower than the state rate of 3.3%. The median home value is $452,400. Housing costs are 70% higher than the state median of $266,500. The home-value-to-income ratio is 3.6x. 94.1% of occupied housing units are owner-occupied. This homeownership rate is 39% higher than the state average of 67.8%.
Race & Ethnicity
Lake Wisconsin has a predominantly White (non-Hispanic) population, comprising 93.7% of all residents. Hispanic or Latino residents account for 2.1%. The Black or African American population (0.4%) is well below the state average of 5.9%. The Hispanic or Latino population (2.1%) is well below the state average of 8.0%. The Asian population (1.3%) is well below the state average of 2.9%.
Education
42.6% of residents aged 25 and older hold a bachelor's degree or higher. This is 28% higher than the state rate of 33.4%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 98.4%. Notably, 16.3% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Lake Wisconsin, Wisconsin is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Wisconsin state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 808 Census-designated places in Wisconsin. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
Free data download: Get all Wisconsin city and county demographics as CSV. Download Cities CSV | Download Counties CSV
Frequently Asked Questions
What is the population of Lake Wisconsin, Wisconsin?
Lake Wisconsin, Wisconsin has a population of 5,384 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Lake Wisconsin, WI?
The median household income in Lake Wisconsin is $124,127, which is 54% higher than the national median of $80,734.
What is the poverty rate in Lake Wisconsin, WI?
The poverty rate in Lake Wisconsin is 3.0%. This means approximately 161 residents live below the federal poverty line.
What is the racial makeup of Lake Wisconsin, Wisconsin?
Lake Wisconsin's population is 93.7% White, 0.4% Black, 2.1% Hispanic/Latino, and 1.3% Asian.
What is the median home value in Lake Wisconsin, WI?
The median home value in Lake Wisconsin is $452,400. The home-value-to-income ratio is 3.6x.
How educated is Lake Wisconsin, Wisconsin?
42.6% of adults (25+) in Lake Wisconsin hold a bachelor's degree or higher, and 16.3% hold a graduate or professional degree.