Williams Bay ZIP Codes — Walworth County, WI

There is one unique ZIP code in Williams Bay, Wisconsin and it is 53191. Area code: 262.

ZIP codes

3.96

sq mi land

1.45

sq mi water

262

area code

Williams Bay, WI ZIP code map

About Williams Bay, WI

Williams Bay is a charming village located in Walworth County, Wisconsin. Nestled along the shores of Geneva Lake, it offers picturesque views and a tranquil lifestyle. This small community is well-known for its blend of scenic beauty and recreational opportunities.

Location & geography

Williams Bay is situated in southeastern Wisconsin, within Walworth County. It is approximately 3 miles northeast of Lake Geneva and about 17 miles southwest of Delavan, making it a convenient spot for visitors exploring the region. The village covers an area of 3.96 square miles of land and 1.45 square miles of water, allowing for a variety of outdoor activities.

Community & economy

The character of Williams Bay is defined by its welcoming and friendly community, making it an attractive place for families and retirees alike. The local economy is supported by tourism, with many visitors drawn to the recreational options around Geneva Lake. Daily life here is relaxed and often revolves around outdoor activities such as boating, fishing, and hiking.

Transportation

Williams Bay is accessible via Highway 67, which runs through the village and connects it to nearby communities. The nearest airport is the Lake Geneva Airport, located approximately 5 miles away, while larger regional airports can be found in Milwaukee and Rockford. Public transportation options are limited, but the village's layout encourages a walkable lifestyle.

History

Williams Bay was officially founded in the late 19th century, emerging as a popular destination for summer tourism around Geneva Lake. The area was historically known for its resorts and recreational industry, which continue to play a significant role today. Over the years, the village has developed a reputation for its commitment to preserving its natural beauty and outdoor heritage.

Did you know?

A surprising fact about Williams Bay is that it is home to the Yerkes Observatory, which has played a significant role in astronomical research since its construction in 1897. Despite its small size, the observatory attracts visitors from across the country, eager to learn about the stars and planets.

ZIP codes for Williams Bay, WI (1)

ZIP code	City	County	Map
53191	Williams Bay	Walworth	View map

Demographics & statistics

3,268

Population

50.0

Median age

$62,003

Median household income

$49,687

Per capita income

$325,800

Median home value

$793

Median monthly rent

78.6%

Home ownership

8.6%

Poverty rate

3.8%

Unemployment

2,031

Housing units

47.6%

Bachelor's or higher

Age distribution

Male Female

123

Under 5

125

108

5–9

110

10–14

15–19

20–24

116

25–34

117

133

35–44

135

226

45–54

229

113

55–59

114

107

60–64

108

245

65–74

247

168

75–84

170

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	754	23.1%
18 and over	2,514	76.9%
65 and over	970	29.7%
Median age	50.0 years

Race & ethnicity

White 89.4%

Hispanic or Latino 4.9%

Other race 4.6%

Two or more races 0.7%

Asian 0.4%

Group	Count	%
White	3,072	89.4%
Hispanic or Latino	170	4.9%
Other race	158	4.6%
Two or more races	25	0.7%
Asian	13	0.4%

Household income

Under $10k 1.5%

$10k–$15k 4.8%

$15k–$25k 7.7%

$25k–$35k 16.7%

$35k–$50k 8.2%

$50k–$75k 16.0%

$75k–$100k 6.5%

$100k–$150k 15.3%

$150k–$200k 8.3%

$200k+ 14.8%

Range	% of households
Under $10k	1.5%
$10k–$15k	4.8%
$15k–$25k	7.7%
$25k–$35k	16.7%
$35k–$50k	8.2%
$50k–$75k	16.0%
$75k–$100k	6.5%
$100k–$150k	15.3%
$150k–$200k	8.3%
$200k+	14.8%
Median income	$62,003

Housing

Home values

Under $50k 2.9%

$50k–$100k 4.7%

$100k–$150k 0.8%

$150k–$200k 4.7%

$200k–$300k 31.7%

$300k–$500k 41.7%

$500k–$1M 9.8%

$1M+ 3.7%

Housing overview

Metric	Value
Median home value	$325,800
Median rent / month	$793
Owner occupied	78.6%
Renter occupied	21.4%
Vacant	39.1%
Single-family detached	72.7%
Large apartment buildings	5.0%
Mobile homes	0.0%
Median rooms	5.9
Avg household size (owned)	2.38

Year built

Era	%
2020 or later	0.7%
2010–2019	9.0%
2000–2009	12.0%
1990–1999	16.9%
1980–1989	10.9%
1970–1979	7.5%
1960–1969	9.1%
1950–1959	7.0%
1940–1949	7.0%
1939 or earlier	19.9%

Bedrooms

Size	% of units
No bedroom (studio)	1.0%
1 bedroom	8.3%
2 bedrooms	35.5%
3 bedrooms	33.7%
4 bedrooms	14.5%
5+ bedrooms	6.9%

Vehicles per household

Vehicles	% of households
No vehicle	7.7%
1 vehicle	28.1%
2 vehicles	45.7%
3 or more	18.4%

Heating fuel

Fuel type	%
Utility gas	90.4%
Electricity	2.7%
Propane / LP gas	1.2%
Wood	0.2%
No fuel used	5.6%

Households & families

Household type	Count	%
Married-couple family	715	50.3%
Cohabiting couple	56	3.9%
Male householder, no spouse	255	17.9%
Female householder, no spouse	395	27.8%
Households with children under 18	324	22.8%
Households with seniors (65+)	704	49.5%
Average household size	2.26

Marital status

Status	Male	Female
Never married	28.5%	17.0%
Married	56.6%	52.2%
Separated	2.9%	1.1%
Widowed	4.3%	16.8%
Divorced	7.7%	12.9%

Education

Less than 9th grade 0.4%

Some HS, no diploma 0.7%

HS graduate 21.1%

Some college, no degree 23.2%

Associate's degree 7.1%

Bachelor's degree 27.3%

Graduate / professional 20.2%

Metric	%
HS diploma or higher	98.9%
Bachelor's or higher	47.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	53	8.2%
Kindergarten	58	9.0%
Elementary school	258	40.1%
High school	165	25.6%
College / grad school	110	17.1%

Employment

Industry of employment

Education & healthcare 24.3%

Manufacturing 17.4%

Construction 11.7%

Retail trade 11.7%

Arts, food & hospitality 10.5%

Wholesale trade 7.4%

Professional & management 6.4%

Finance & real estate 5.2%

Transportation & utilities 3.7%

Other services 0.8%

Information 0.7%

Public administration 0.3%

Occupation

Category	%
Management, business & arts	52.2%
Service	10.7%
Sales & office	24.8%
Natural resources & construction	5.2%
Production & transportation	7.0%

Employment type

Type	%
Private sector	80.7%
Government	7.5%
Self-employed	11.5%
Unpaid family workers	0.3%

Commute

Method	%
Drive alone	72.5%
Carpool	4.4%
Public transit	2.6%
Walk	0.8%
Other means	0.0%
Avg commute (minutes)	29.9

Poverty

All people 8.6%

Under 18 years 16.2%

18 and over 6.3%

Married-couple families 1.8%

Female-led households 9.6%

Income support

Source	% of households
Social Security	49.3%
Retirement income	40.0%
Supplemental Security	9.1%
Cash public assistance	1.5%
Food stamps / SNAP	6.0%

Health indicators

Condition	%
High blood pressure	32.9%
High cholesterol	33.7%
Heart disease	6.5%
Stroke	3.0%
Asthma	9.6%
Arthritis	26.3%
Kidney disease	3.0%
Pulmonary disease	6.1%
Cancer	7.9%

Behavior / access	%
Binge drinking	21.7%
No physical activity	19.0%
Less than 7 hrs sleep	28.9%
Fair or poor health	11.7%
Poor mental health	12.3%
Poor physical health	9.7%
No health insurance	8.9%
Visited doctor (checkup)	75.3%
Visited dentist	71.3%
Cholesterol screening	89.7%
Teeth loss	9.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	139	5.5%

Disability	%
Any disability	18.7%
Under 18	9.4%
18–64 years	11.5%
65 and over	37.7%

Health insurance coverage

Type	%
Private insurance	72.7%
Public insurance	45.7%
Uninsured under 19	4.8%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	3,020	92.4%
Spanish	23	0.8%
Other Indo-European	10	0.3%
Asian & Pacific Islander	0	0.0%
Other languages	13	0.4%

Place of birth & citizenship

Origin	Count	%
Native born (US)	3,192	97.7%
Born in same state	3,179	97.3%
Born in different state	1,457	44.6%
Foreign born	13	0.4%
Naturalized citizen	76	2.3%
Not a US citizen	62	81.6%

Ancestry

Ancestry	Count	%
Italian	620	19%
French	386	11.8%
Polish	111	3.4%
English	55	1.7%

Ancestry	Count	%
Arab	45	1.4%
Norwegian	33	1%
Irish	26	0.8%
Dutch	13	0.4%

Technology access

Metric	% of households
Computer access	43.5%
Internet access	91.1%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What ZIP codes does Williams Bay, WI have?

Williams Bay, WI has one ZIP code: 53191. Each ZIP code serves a distinct delivery area within the city and surrounding region.