53103 ZIP Code — Big Bend, WI

Waukesha County, Wisconsin

ZIP code 53103 is located in Big Bend, Wisconsin, within Waukesha County. It covers approximately 12.19 square miles and serves a population of 3,621 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 262.

About ZIP code 53103

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $359,500. Owner-occupancy is high at 93%, well above the national average.

Median household income is $132,598. 41% 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 near the national average, with 41% of residents holding a bachelor's degree or higher.

Notable community characteristics include a notable veteran presence at 14% of civilians, above the national average of 7%.

Overall, ZIP code 53103 reflects a community defined by a strong veteran community, high homeownership, and a significant Social Security-dependent population.

3,621

population

12.19

sq mi land

Standard

ZIP type

Central (CT)

timezone

53103 ZIP code map

Cities in ZIP code 53103

Below are the cities the US Postal Service accepts for ZIP code 53103. Using any city not on this list may result in mail delivery delays.

City	Status
Big Bend	Preferred

Nearby ZIP codes

53150 Muskego (4.4 mi) 53189 Waukesha (5.5 mi) 53149 Mukwonago (6.3 mi) 53185 Waterford (6.8 mi) 53130 Hales Corners (9.4 mi) 53186 Waukesha (9.9 mi) 53153 North Prairie (10 mi) 53228 Milwaukee (10.4 mi) 53188 Waukesha (10.6 mi) 53120 East Troy (11.1 mi) 53183 Wales (11.5 mi) 53227 Milwaukee (11.6 mi)

Demographics updated 05/2026

Population
Total population	3,621
Population density	297 / sq mi
State FIPS	55
County FIPS	133

Geography
Land area	12.19 sq mi
Water area	0.46 sq mi
Latitude	42.8858
Longitude	-88.2186
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	27.6%	26.7%	39.4%
$50k – $100k	26.4%	29.0%	33.0%
$100k – $200k	35.0%	32.1%	22.4%
Over $200k	11.0%	12.2%	5.2%

Demographics & statistics

3,621

Population

297

People per sq mi

50.9

Median age

$132,598

Median household income

$53,925

Per capita income

$359,500

Median home value

$1,036

Median monthly rent

93.4%

Home ownership

1.7%

Poverty rate

2.7%

Unemployment

1,507

Housing units

41.0%

Bachelor's or higher

Age distribution

Male Female

Under 5

108

5–9

111

10–14

100

15–19

20–24

127

25–34

108

241

35–44

206

319

45–54

271

137

55–59

116

241

60–64

206

328

65–74

279

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	695	19.2%
18 and over	2,926	80.8%
65 and over	845	23.3%
Median age	50.9 years

Race & ethnicity

White 91.9%

Two or more races 3.8%

Hispanic or Latino 3.3%

Other race 0.7%

Black or African American 0.3%

Group	Count	%
White	3,442	91.9%
Two or more races	142	3.8%
Hispanic or Latino	125	3.3%
Other race	25	0.7%
Black or African American	12	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	27.6%	26.7%	39.4%
$50k – $100k	26.4%	29.0%	33.0%
$100k – $200k	35.0%	32.1%	22.4%
Over $200k	11.0%	12.2%	5.2%

Under $10k 0.6%

$10k–$15k 0.9%

$15k–$25k 1.4%

$25k–$35k 5.3%

$35k–$50k 5.6%

$50k–$75k 10.3%

$75k–$100k 14.3%

$100k–$150k 32.7%

$150k–$200k 16.2%

$200k+ 12.8%

Range	% of households
Under $10k	0.6%
$10k–$15k	0.9%
$15k–$25k	1.4%
$25k–$35k	5.3%
$35k–$50k	5.6%
$50k–$75k	10.3%
$75k–$100k	14.3%
$100k–$150k	32.7%
$150k–$200k	16.2%
$200k+	12.8%
Median income	$132,598

Housing

Home values

Under $50k 1.2%

$50k–$100k 0.2%

$100k–$150k 1.0%

$150k–$200k 2.6%

$200k–$300k 26.0%

$300k–$500k 43.3%

$500k–$1M 24.9%

$1M+ 0.8%

Housing overview

Metric	Value
Median home value	$359,500
Median rent / month	$1,036
Owner occupied	93.4%
Renter occupied	6.6%
Vacant	3.7%
Single-family detached	95.8%
Large apartment buildings	0.0%
Mobile homes	0.0%
Median rooms	6.8
Avg household size (owned)	2.38

Year built

Era	%
2020 or later	0.0%
2010–2019	18.3%
2000–2009	9.1%
1990–1999	3.2%
1980–1989	12.2%
1970–1979	27.3%
1960–1969	10.2%
1950–1959	5.5%
1940–1949	2.9%
1939 or earlier	11.2%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.9%
2 bedrooms	9.5%
3 bedrooms	67.8%
4 bedrooms	18.3%
5+ bedrooms	3.5%

Vehicles per household

Vehicles	% of households
No vehicle	0.5%
1 vehicle	18.7%
2 vehicles	46.7%
3 or more	34.1%

Heating fuel

Fuel type	%
Utility gas	84.2%
Electricity	5.6%
Propane / LP gas	2.0%
Fuel oil	6.9%
Wood	1.2%

Households & families

Household type	Count	%
Married-couple family	972	62.8%
Cohabiting couple	48	3.1%
Male householder, no spouse	360	23.2%
Female householder, no spouse	169	10.9%
Households with children under 18	375	24.2%
Households with seniors (65+)	642	41.4%
Average household size	2.34

Marital status

Status	Male	Female
Never married	34.1%	22.0%
Married	59.4%	66.2%
Separated	0.0%	0.0%
Widowed	2.6%	8.8%
Divorced	4.0%	3.1%

Education

Less than 9th grade 0.4%

Some HS, no diploma 2.8%

HS graduate 26.8%

Some college, no degree 18.0%

Associate's degree 11.0%

Bachelor's degree 33.1%

Graduate / professional 8.0%

Metric	%
HS diploma or higher	96.8%
Bachelor's or higher	41.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	59	8.4%
Kindergarten	29	4.1%
Elementary school	322	45.8%
High school	209	29.7%
College / grad school	84	11.9%

Employment

Industry of employment

Education & healthcare 19.9%

Manufacturing 18.8%

Finance & real estate 13.4%

Construction 10.9%

Retail trade 9.5%

Transportation & utilities 8.1%

Arts, food & hospitality 6.5%

Professional & management 3.6%

Other services 3.2%

Public administration 3.1%

Wholesale trade 1.4%

Information 1.4%

Agriculture & mining 0.4%

Occupation

Category	%
Management, business & arts	47.9%
Service	11.2%
Sales & office	21.6%
Natural resources & construction	10.2%
Production & transportation	9.1%

Employment type

Type	%
Private sector	83.0%
Government	16.2%
Self-employed	0.8%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	86.6%
Carpool	1.7%
Public transit	0.5%
Walk	0.0%
Work from home	11.2%
Other means	0.0%
Avg commute (minutes)	30.0

Poverty

All people 1.7%

Under 18 years 0.0%

18 and over 2.1%

Married-couple families 0.3%

Female-led households 0.0%

Income support

Source	% of households
Social Security	40.6%
Retirement income	43.8%
Supplemental Security	4.2%
Cash public assistance	0.6%
Food stamps / SNAP	0.9%

Health indicators

Condition	%
Obesity	31.2%
High blood pressure	28.5%
High cholesterol	33.6%
Diabetes	8.0%
Heart disease	5.1%
Stroke	2.3%
Asthma	8.9%
Arthritis	23.2%
Kidney disease	2.3%
Pulmonary disease	5.0%
Cancer	6.9%

Behavior / access	%
Smoking	14.9%
Binge drinking	24.6%
No physical activity	16.7%
Less than 7 hrs sleep	29.0%
Depression	19.3%
Fair or poor health	9.2%
Poor mental health	12.1%
Poor physical health	8.4%
No health insurance	8.1%
Visited doctor (checkup)	76.9%
Visited dentist	77.4%
Cholesterol screening	89.9%
Teeth loss	8.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	398	13.6%

Disability	%
Any disability	10.2%
Under 18	7.3%
18–64 years	4.9%
65 and over	25.7%

Health insurance coverage

Type	%
Private insurance	87.0%
Public insurance	26.9%
No insurance	1.7%
Uninsured under 19	0.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	3,498	96.6%
Spanish	31	0.9%
Other Indo-European	0	0.0%
Asian & Pacific Islander	31	0.9%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	3,554	98.1%
Born in same state	3,532	97.5%
Born in different state	2,959	81.7%
Foreign born	22	0.6%
Naturalized citizen	67	1.9%
Not a US citizen	55	82.1%

Ancestry

Ancestry	Count	%
Italian	377	10.4%
Polish	137	3.8%
Arab	127	3.5%
French	100	2.8%
Dutch	49	1.4%

Ancestry	Count	%
Irish	48	1.3%
Norwegian	26	0.7%
English	20	0.6%
German	3	0.1%

Technology access

Metric	% of households
Computer access	42.8%
Internet access	97.4%

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

Frequently asked questions about ZIP code 53103

What city is ZIP code 53103 in?

ZIP code 53103 is primarily assigned to Big Bend, Wisconsin.

What county is ZIP code 53103 in?

ZIP code 53103 falls within Waukesha County, Wisconsin.

Is ZIP code 53103 mostly owner-occupied?

93% of occupied units in ZIP code 53103 are owner-occupied, well above the national average.

Does ZIP code 53103 have a large retiree population?

41% of households in ZIP code 53103 receive Social Security income, suggesting a significant retiree or disability population.

Does ZIP code 53103 have a large veteran population?

14% of civilians in ZIP code 53103 are veterans, above the national average of ~7%.

What is the median household income in ZIP code 53103?

The median household income in ZIP code 53103 is $132,598, above the national median of ~$75,000.

What timezone is ZIP code 53103 in?

ZIP code 53103 observes the CST timezone.