Williams Bay, Wisconsin Demographics & Population 2026
During the 2020–2024 ACS period, Williams Bay, Wisconsin had a total population of 2,981, the 220th largest village in Wisconsin, with a median household income of $84,113, which is 9% higher than the state average. The poverty rate is 8.7%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- 49.8% of adults hold a bachelor's degree or higher — top 10% in Wisconsin.
- Near full employment with an unemployment rate of just 2.4%.
Williams Bay Quick Facts
How Williams Bay 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 | 2,967 | 2,981 | +0.5% |
| Median household income | $70,568 | $84,113 | +19.2% |
| Median home value | $397,600 | $444,700 | +11.8% |
How Williams Bay 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+)
Williams Bay Rankings in Wisconsin
Explore Wisconsin Rankings
Other Cities in Walworth County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Whitewater | 15,807 | $54,969 | 26.8% | $229,400 |
| Elkhorn | 10,221 | $77,649 | 7.6% | $273,600 |
| Delavan | 8,689 | $65,357 | 10.2% | $218,800 |
| Lake Geneva | 8,521 | $75,629 | 10.7% | $343,800 |
| East Troy | 4,978 | $79,669 | 10.2% | $299,600 |
| Bloomfield | 4,780 | $98,068 | 7.5% | $236,100 |
| Walworth | 2,759 | $70,208 | 18.1% | $290,600 |
| Delavan Lake | 2,757 | $83,550 | 6.7% | $355,500 |
| Como | 2,197 | $75,266 | 3.2% | $278,400 |
| Fontana-on-Geneva Lake | 1,737 | $106,750 | 7.5% | $572,600 |
Cities Similar to Williams Bay
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Genoa City | 2,942 | $81,213 | $241,300 | 20.6% | 5.6% |
| Paddock Lake | 2,947 | $87,800 | $255,700 | 30.6% | 2.9% |
| Oostburg | 3,058 | $87,857 | $246,900 | 29.3% | 7.6% |
| Kewaunee | 2,806 | $82,028 | $159,600 | 21.2% | 7.6% |
| Delavan Lake | 2,757 | $83,550 | $355,500 | 34.7% | 6.7% |
Population Overview
Williams Bay is a small community located in Wisconsin, within Walworth County. The total population is 2,981. It ranks as the 220th most populous out of 808 Census-designated places in Wisconsin.
Age Demographics
The median age in Williams Bay is 45.9 years. This is 14% higher than the state median of 40.2 years. 10.6% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.
Economy, Income & Housing
The median household income in Williams Bay is $84,113. This is 9% higher than the state median of $77,485. It is also 4% higher than the national median of $80,734. The poverty rate stands at 8.7%. This is 18% lower than the state poverty rate of 10.5%. The unemployment rate is 2.4%. This is 26% lower than the state rate of 3.3%. The median home value is $444,700. Housing costs are 67% higher than the state median of $266,500. The home-value-to-income ratio is 5.3x. 77.2% of occupied housing units are owner-occupied. This homeownership rate is 14% higher than the state average of 67.8%.
Race & Ethnicity
Williams Bay has a predominantly White (non-Hispanic) population, comprising 89.7% of all residents. Hispanic or Latino residents account for 5.3%. The Asian population (1.4%) is well below the state average of 2.9%.
Education
49.8% of residents aged 25 and older hold a bachelor's degree or higher. This places Williams Bay in the top 10% of all cities in the state for educational attainment. This is 49% 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 98.7%. Notably, 19.1% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Williams Bay, 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.
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Frequently Asked Questions
What is the population of Williams Bay, Wisconsin?
Williams Bay, Wisconsin has a population of 2,981 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Williams Bay, WI?
The median household income in Williams Bay is $84,113, which is 4% higher than the national median of $80,734.
What is the poverty rate in Williams Bay, WI?
The poverty rate in Williams Bay is 8.7%. This means approximately 254 residents live below the federal poverty line.
What is the racial makeup of Williams Bay, Wisconsin?
Williams Bay's population is 89.7% White, 0.0% Black, 5.3% Hispanic/Latino, and 1.4% Asian.
What is the median home value in Williams Bay, WI?
The median home value in Williams Bay is $444,700. The home-value-to-income ratio is 5.3x.
How educated is Williams Bay, Wisconsin?
49.8% of adults (25+) in Williams Bay hold a bachelor's degree or higher, and 19.1% hold a graduate or professional degree.