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Williams Bay, WI
Key Indicators
A quick look at key numbers
Population
2,981
Source: U.S. Census Bureau American Community Survey (ACS) 2020-2024 5-Year Estimates
Median Age
45.9
years ∙ half population younger than 45.9, half older
Diversity Index
19.2%
chance two random people differ in race and ethnicity
Nativity
1.9%
foreign-born population
Geographic Context
Location, size, and surroundings
About
Williams Bay is a village within Walworth County, Wisconsin, United States.
Co-ordinates
DEC42.578848° N, 88.545719° W
DMS42° 34′ 43.85″ N, 88° 32′ 44.59″ W
Population Density & area
1,072/sq mi
(414.6/km²)
Demographics & Living
Who lives here, how households are formed, and community composition
Population Composition
Key characteristics of the population
Sex Distribution
47.4%
male
Male
47.4%
Female
52.6%
males per 100 females
Williams Bay
90.2
Walworth County
101.2
Wisconsin
100.3
Nativity
1.9%
foreign-born population
% Foreign-born
Williams Bay
1.9%
Walworth County
6.2%
Wisconsin
5.2%
Age Distribution
How the population is spread across age groups
Median Age
45.9
years ∙ half population younger than 45.9, half older
Dependency ratio
106.9
dependents per 100 working-age adults
Williams Bay
106.9
Walworth County
65.2
Wisconsin
66.4
AGE DISTRIBUTION
Distribution of age group
Median age
| Williams Bay | Walworth County | Wisconsin | |
|---|---|---|---|
| Age Group | |||
| Children (Under 18) | 24.1% | 19.5% | 21.4% |
| Working age (18-64) | 48.3% | 60.5% | 60.1% |
| Senior (65+) | 27.6% | 20% | 18.5% |
| Dependency ratio | |||
| Total dependency ratio | 106.9 | 65.2 | 66.4 |
| Child dependency ratio | 49.8 | 32.2 | 35.6 |
| Old-age dependency ratio | 57 | 33 | 30.8 |
Racial & Ethnic Composition
Racial and ethnic makeup and how it compares
Race & Ethnicity
Note: White, Black, and Asian refer to individuals belonging to a single race and not of Hispanic origin. Hispanics may be of any race.
Diversity Index
19.2%
chance two random people differ in race and ethnicity
Williams Bay
19.2%
Walworth County
29.4%
Wisconsin
37%
Note: The Diversity Index (DI), based on the Blau Index, measures the probability that two randomly selected individuals differ in race and ethnicity. Values range from 0 (no diversity) to 1 (high diversity) and are shown as percentages.
RACIAL & ETHNIC COMPOSITION
Race & Ethnicity
Percentage of Williams Bay population
| Williams Bay | Walworth County | Wisconsin | |
|---|---|---|---|
| Hispanic or Latino | 5.3% | 12.1% | 8% |
| Mexican | 4.8% | 10.1% | 5.4% |
| Puerto Rican | 0% | 0.4% | 1.1% |
| Cuban | 0% | 0.3% | 0.1% |
| Other Hispanic / Latino | 0.6% | 1.4% | 1.3% |
| Not Hispanic or Latino | 94.7% | 87.9% | 92% |
| One race | 92.2% | 85.1% | 88.3% |
| White | 89.7% | 83.1% | 78.6% |
| Black or African American | 0% | 0.7% | 5.9% |
| American Indian and Alaska Native | 0% | 0.1% | 0.5% |
| Asian | 1.4% | 0.8% | 2.9% |
| Native Hawaiian and Other Pacific Islander | 0% | 0% | 0% |
| Some Other Race | 1.1% | 0.3% | 0.3% |
| Two or more races (Multiracial) | 2.5% | 2.8% | 3.7% |
Household & Families Composition
Household size, type, and family structure
Household structure
64.4%
family
Family
64.4%
Non family
35.6%
% family households
Williams Bay
64.4%
Walworth County
64.3%
Wisconsin
60.5%
Average household size
2.47
persons per household
Household & Family COMPOSITION
Households
Percentage of Williams Bay population
| Williams Bay | Walworth County | Wisconsin | |
|---|---|---|---|
| Total households | 1,184 | 43,087 | 2,479,480 |
| Average houshold size | 2.47 | 2.38 | 2.33 |
| Family households | 763 | 27,703 | 1,500,296 |
| Average family size | 3.21 | 2.91 | 2.95 |
| Married couple family | 643 | 21,580 | 1,161,326 |
| Other families | 120 | 6,123 | 338,970 |
| Male householder | 86 | 2,295 | 112,650 |
| Female householder | 34 | 3,828 | 226,320 |
| Non-family households | 421 | 15,384 | 979,184 |
| One-person households | 386 | 12,062 | 781,452 |
| Male householder | 136 | 5,658 | 373,428 |
| Senior (65+) living alone | 38 | 1,854 | 109,743 |
| Female householder | 250 | 6,404 | 408,024 |
| Senior (65+) living alone | 182 | 4,033 | 210,915 |
| Other living arrangements | 35 | 3,322 | 197,732 |
Housing Profile
Housing stock, ownership, rentals, and cost burdens
Total housing units
2,173
housing units
Williams Bay
2,173
Walworth County
54,124
Wisconsin
2,778,572
Occupancy status
54.5%
occupied
Occupied
54.5%
Vacant
45.5%
vacancy rate
Williams Bay
45.5%
Walworth County
20.4%
Wisconsin
10.8%
Housing Characteristics
How the housing supply is structured and used
Types of Housing unit
71.7%
Single family houses
Median Year Built
1991
Half of houses were built before 1991, and half after.
Note: Median year built reflects occupied units only; distribution includes all units.
Housing Characteristics
Units, rooms & bedrooms
Physical characteristics of housing units
| Williams Bay | Walworth County | Wisconsin | |
|---|---|---|---|
| Rooms per unit | |||
| Median rooms | 6 | 5.7 | 5.6 |
| 1–3 rooms | 7% | 10.8% | 13.2% |
| 4–6 rooms | 53.2% | 53.6% | 52% |
| 7+ rooms | 39.7% | 35.5% | 34.9% |
| Bedrooms | |||
| No bedroom / studio | 0.4% | 1.7% | 2.1% |
| 1 bedroom | 6.6% | 7.8% | 10% |
| 2 bedrooms | 27.3% | 27.2% | 27.8% |
| 3 bedrooms | 42.3% | 40.2% | 40% |
| 4+ bedrooms | 23.4% | 23.1% | 20.1% |
| At a glance | |||
| Median year built | 1991 | 1978 | 1975 |
| Total housing units | 2,173 | 54,124 | 2,778,572 |
Occupancy Profile
Who is inside and how they use it
Homeownership
77.2%
owners
Renter-occupied
22.8%
Owner-occupied
77.2%
homeownership rate
Williams Bay
77.2%
Walworth County
70.6%
Wisconsin
67.8%
Average household size
2.63
Owner-occupied
1.92
Renter-occupied
owner-occupied average size
Williams Bay
2.63
Walworth County
2.5
Wisconsin
2.49
Housing Characteristics
Occupied unit characteristics
Tenure, crowding, and utilities
| Williams Bay | Walworth County | Wisconsin | |
|---|---|---|---|
| Total occupied units | 1,184 | 43,087 | 2,479,480 |
| Year moved in | |||
| 2020 or later | 21.9% | 23.5% | 23.1% |
| 2010 to 2019 | 51.3% | 38.2% | 38% |
| 2000 to 2009 | 19.9% | 17% | 17.1% |
| 1999 or earlier | 6.9% | 21.3% | 21.8% |
| Occupants per room | |||
| 1.00 or fewer | 99.1% | 98.1% | 98.3% |
| 1.01 to 1.50 | 0.9% | 1.3% | 1.2% |
| 1.51 or more | 0% | 0.5% | 0.5% |
| Vehicles availability | |||
| No vehicles | 8.4% | 3.9% | 6.4% |
| 1 vehicle | 23.2% | 28.8% | 33% |
| 2 vehicles | 48.7% | 40.5% | 39.5% |
| 3 or more vehicles | 19.6% | 26.8% | 21.1% |
| House heating fuel used | |||
| Gas | 87.2% | 82.3% | 76.6% |
| Electricity | 6% | 14.9% | 17.8% |
| Solar | 0% | 0% | 0.1% |
| Fuel oil, kerosene etc | 0% | 0.6% | 1.4% |
| All other fuels | 0.4% | 1.6% | 3.5% |
| No fuel used | 6.3% | 0.6% | 0.6% |
| Selected characteristics | |||
| Lacking complete plumbing | 1.1% | 0.4% | 0.4% |
| Lacking complete kitchen | 0.3% | 1.1% | 0.8% |
| No telephone service available | 0.3% | 1% | 0.8% |
Housing Value
What owner-occupied units are worth
Median home value
$444,700
owner-occupied units
Housing Cost Burden
27.1%
of homeowners with a mortgage are cost-burdened
Note: Households spending 30% or more of their income on housing costs are considered cost-burdened.
Financial characteristics
Property value and housing costs
Tenure, crowding, and utilities
| Williams Bay | Walworth County | Wisconsin | |
|---|---|---|---|
| Property value | |||
| Median Value | $444,700 | $302,700 | $266,500 |
| Under $100,000 | 5.4% | 5% | 9.1% |
| $100,000 - $200,000 | 3.7% | 15.8% | 23% |
| $200,000 - $300,000 | 14.4% | 28.7% | 25.5% |
| $300,000 - $500,000 | 37.9% | 31.9% | 29.4% |
| $500,000 - $1,000,000 | 30.5% | 15.4% | 11.4% |
| $1,000,000 and more | 8.1% | 3.3% | 1.7% |
| Owner-occupied households | |||
| With a mortgage | 57% | 62.6% | 61.1% |
| Without a mortgage | 43% | 37.4% | 38.9% |
| Median monthly owner costs | |||
| With a mortgage | $2,042 | $1,746 | $1,689 |
| Without a mortgage | $752 | $723 | $659 |
| Gross rent | |||
| Median rent | $900 | $1,150 | $1,087 |
Education Profile
How educated is the community and how education pays off
Adults with a college degree
49.8%
of adults 25+ with a bachelor's degree or higher
Williams Bay
49.8%
Walworth County
32.4%
Wisconsin
33.4%
Adults without a high school diploma
1.4%
of adults (25+) without a high school diploma
Williams Bay
1.4%
Walworth County
7%
Wisconsin
6.4%
School Enrollment
Who is enrolled in school and at what level
School enrollment
715
population (age 3+) enrolled in school
College-going rate (18-24 yr olds)
44.7%
of 18-24-year-olds in college or graduate school
Enrollment & school type
Enrollment levels, college-going rate, and public vs private school split
Population 3+ currently enrolled in a school
| Williams Bay | Walworth County | Wisconsin | |
|---|---|---|---|
| Total enrolled (age 3+) | 715 | 25,447 | 1,356,381 |
| Nursery / preschool | 12.4% | 3.4% | 5.3% |
| K–12 | 65.2% | 64.3% | 69.3% |
| Kindergarten | 9.8% | 4.8% | 5.5% |
| Elementary: Grades 1–4 | 21.5% | 18.5% | 20.2% |
| Elementary: Grades 5–8 | 8.7% | 18.5% | 21.3% |
| High School: Grades 9–12 | 25.2% | 22.5% | 22.3% |
| College or graduate school | 22.4% | 32.3% | 25.3% |
| College, undergraduate | 18.7% | 28.4% | 20.7% |
| Graduate, professional school | 3.6% | 3.9% | 4.7% |
| College-going rate · 18-24 yr olds | 44.7% | 45.1% | 39.8% |
| School type | |||
| Public school | 85.7% | 87.7% | 82.4% |
| Private school | 14.3% | 12.3% | 17.6% |
Education Attainment by Level & Gender
What is the highest level of education completed among adults
Education attainment
2,104
population 25 years and over
Attainment by gender
Male vs Female
Adults (25+) · Share within each education level
Educational Attainment Overview
Distribution and key education attainment rates for adults (25+)
Highest credential completed · adults 25+
| Williams Bay | Walworth County | Wisconsin | |
|---|---|---|---|
| Population (25+) | 2,104 | 71,642 | 4,099,973 |
| Less than 9th grade | 0.5% | 2.8% | 2.3% |
| 9th–12th, no diploma | 0.9% | 4.2% | 4.1% |
| High school diploma or GED | 17.9% | 28.9% | 29.4% |
| Some college, no degree | 23.6% | 21.5% | 19.5% |
| Associate's degree | 7.5% | 10.2% | 11.3% |
| Bachelor's degree or higher | 49.8% | 32.4% | 33.4% |
| Bachelor's degree | 30.6% | 21.3% | 22% |
| Graduate or professional | 19.2% | 11.1% | 11.4% |
| High School or higher | 98.7% | 93% | 93.6% |
Earnings by education level
percentage as applicable
Median Earnings
$62,287
Median earnings for adults 25+, by level
Poverty Rate
4%
for ages 25+, with bachelors degree or higher
Outcomes by Education Level
Earnings and poverty rates across education levels (25+)
Adults 25+
| Williams Bay | Walworth County | Wisconsin | |
|---|---|---|---|
| Median earnings | |||
| Population 25+, with earnings | $62,287 | $52,409 | $53,060 |
| Less than high school graduate | $— | $41,322 | $36,585 |
| High school graduate (includes equivalency) | $58,750 | $42,695 | $42,367 |
| Some college or associate's degree | $48,333 | $48,478 | $49,438 |
| Bachelor's degree | $76,150 | $62,089 | $66,239 |
| Graduate or professional degree | $88,594 | $80,359 | $79,916 |
| Poverty rates | |||
| Less than high school graduate | 34.8% | 13.1% | 22.6% |
| High school graduate (includes equivalency) | 12% | 10.5% | 12.2% |
| Some college or associate's degree | 9.1% | 7.4% | 7.9% |
| Bachelor's degree or higher | 4% | 3.3% | 3.7% |
About Neilsberg Research
Neilsberg Research team are data scientists with expertise in processing, analysis and visualization of big data helping small businesses make right decisions.
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