53191 ZIP Code — Williams Bay, WI

Walworth County, Wisconsin

ZIP code 53191 is located in Williams Bay, Wisconsin, within Walworth County. It covers approximately 3.96 square miles and serves a population of 3,268 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 262.

About ZIP code 53191

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $325,800. Owner-occupancy is high at 79%, well above the national average.

The gap between median ($62,003) and mean household income suggests income inequality — a small number of higher earners pull the average up. 49% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 30 minutes is near the national average.

Educational attainment is high — 48% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 53191 reflects a community defined by high homeownership and a significant Social Security-dependent population.

3,268

population

3.96

sq mi land

Standard

ZIP type

Central (CT)

timezone

53191 ZIP code map

Cities in ZIP code 53191

Below are the cities the US Postal Service accepts for ZIP code 53191. Using any city not on this list may result in mail delivery delays.

City	Status
Williams Bay	Preferred

Nearby ZIP codes

53125 Fontana (2.5 mi) 53184 Walworth (4 mi) 53147 Lake Geneva (4.1 mi) 53115 Delavan (8.4 mi) 53128 Genoa City (9.9 mi) 60034 Hebron (10.2 mi) 53585 Sharon (10.2 mi) 53121 Elkhorn (10.2 mi) 53114 Darien (10.9 mi) 60033 Harvard (12.3 mi) 53105 Burlington (13.9 mi) 60071 Richmond (14.4 mi)

Demographics updated 05/2026

Population
Total population	3,268
Population density	825 / sq mi
State FIPS	55
County FIPS	127

Geography
Land area	3.96 sq mi
Water area	1.45 sq mi
Latitude	42.5765
Longitude	-88.5387
Timezone	Central (CT)
Area code	262

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	42.5%	37.4%	39.4%
$50k – $100k	22.7%	34.4%	33.0%
$100k – $200k	25.9%	22.8%	22.4%
Over $200k	8.9%	5.5%	5.2%

Demographics & statistics

3,268

Population

825

People per sq mi

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

Income range	This ZIP	County avg	State avg
Under $50k	42.5%	37.4%	39.4%
$50k – $100k	22.7%	34.4%	33.0%
$100k – $200k	25.9%	22.8%	22.4%
Over $200k	8.9%	5.5%	5.2%

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%
Work from home	19.8%
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	%
Obesity	35.1%
High blood pressure	32.9%
High cholesterol	33.7%
Diabetes	9.6%
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	%
Smoking	15.1%
Binge drinking	21.7%
No physical activity	19.0%
Less than 7 hrs sleep	28.9%
Depression	19.2%
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%
No insurance	5.7%
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 about ZIP code 53191

What city is ZIP code 53191 in?

ZIP code 53191 is primarily assigned to Williams Bay, Wisconsin.

What county is ZIP code 53191 in?

ZIP code 53191 falls within Walworth County, Wisconsin.

Does ZIP code 53191 have an older population?

30% of residents in ZIP code 53191 are 65 or older, above the national average of ~17%.

Does ZIP code 53191 have a large retiree population?

49% of households in ZIP code 53191 receive Social Security income, suggesting a significant retiree or disability population.

How educated is the population of ZIP code 53191?

48% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What is the typical home value in ZIP code 53191?

The median home value in ZIP code 53191 is $325,800.

What timezone is ZIP code 53191 in?

ZIP code 53191 observes the CST timezone.