53146 ZIP Code — New Berlin, WI

Waukesha County, Wisconsin

ZIP code 53146 is located in New Berlin, Wisconsin, within Waukesha County. It covers approximately 18.30 square miles and serves a population of 7,746 residents. This is a po box ZIP code in the Central (CT) timezone, served by area code 262/414.

About ZIP code 53146

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1960s, giving the area an established character. Median home value is $302,400. Owner-occupancy is high at 97%, well above the national average.

The gap between median ($91,123) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 5% is below the national average. 45% 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 23 minutes is near the national average.

Educational attainment is near the national average, with 43% of residents holding a bachelor's degree or higher.

Overall, ZIP code 53146 reflects a community defined by high homeownership and a significant Social Security-dependent population.

7,746

population

18.30

sq mi land

PO Box

ZIP type

Central (CT)

timezone

53146 ZIP code map

Cities in ZIP code 53146

Below are the cities the US Postal Service accepts for ZIP code 53146. Using any city not on this list may result in mail delivery delays.

City	Status
New Berlin	Acceptable

Demographics updated 06/2026

Population
Total population	7,746
Population density	423 / sq mi
State FIPS	55
County FIPS	133

Geography
Land area	18.30 sq mi
Water area	0.28 sq mi
Latitude	42.9710
Longitude	-88.1580
Timezone	Central (CT)
Area code	262/414

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	24.9%	26.7%	39.4%
$50k – $100k	32.7%	29.0%	33.0%
$100k – $200k	27.2%	32.1%	22.4%
Over $200k	15.2%	12.2%	5.2%

Demographics & statistics

7,746

Population

423

People per sq mi

50.4

Median age

$91,123

Median household income

$54,398

Per capita income

$302,400

Median home value

$1,047

Median monthly rent

96.6%

Home ownership

5.1%

Poverty rate

0.8%

Unemployment

3,045

Housing units

42.5%

Bachelor's or higher

Age distribution

Male Female

225

Under 5

215

182

5–9

173

190

10–14

182

346

15–19

331

20–24

229

25–34

219

470

35–44

448

551

45–54

525

312

55–59

298

323

60–64

308

522

65–74

499

381

75–84

364

158

85+

150

← Male

Female →

Age summary

Group	Count	%
Under 18	1,635	21.1%
18 and over	6,111	78.9%
65 and over	2,074	26.8%
Median age	50.4 years

Race & ethnicity

White 95%

Black or African American 2.3%

Two or more races 1.3%

Asian 1.1%

Hispanic or Latino 0.2%

Other race 0.1%

Group	Count	%
White	7,373	95%
Black or African American	175	2.3%
Two or more races	102	1.3%
Asian	86	1.1%
Hispanic or Latino	18	0.2%
Other race	10	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	24.9%	26.7%	39.4%
$50k – $100k	32.7%	29.0%	33.0%
$100k – $200k	27.2%	32.1%	22.4%
Over $200k	15.2%	12.2%	5.2%

Under $10k 1.6%

$10k–$15k 1.3%

$15k–$25k 6.4%

$25k–$35k 4.2%

$35k–$50k 10.0%

$50k–$75k 14.0%

$75k–$100k 17.6%

$100k–$150k 18.4%

$150k–$200k 12.5%

$200k+ 13.9%

Range	% of households
Under $10k	1.6%
$10k–$15k	1.3%
$15k–$25k	6.4%
$25k–$35k	4.2%
$35k–$50k	10.0%
$50k–$75k	14.0%
$75k–$100k	17.6%
$100k–$150k	18.4%
$150k–$200k	12.5%
$200k+	13.9%
Median income	$91,123

Housing

Home values

Under $50k 1.5%

$100k–$150k 2.0%

$150k–$200k 2.8%

$200k–$300k 43.0%

$300k–$500k 36.2%

$500k–$1M 11.9%

$1M+ 2.5%

Housing overview

Metric	Value
Median home value	$302,400
Median rent / month	$1,047
Owner occupied	96.6%
Renter occupied	3.4%
Vacant	0.4%
Single-family detached	91.8%
Large apartment buildings	0.0%
Mobile homes	0.4%
Median rooms	6.6
Avg household size (owned)	2.44

Year built

Era	%
2020 or later	0.0%
2010–2019	6.1%
2000–2009	9.9%
1990–1999	4.6%
1980–1989	3.4%
1970–1979	20.5%
1960–1969	26.3%
1950–1959	18.7%
1940–1949	3.8%
1939 or earlier	6.8%

Bedrooms

Size	% of units
No bedroom (studio)	0.4%
1 bedroom	0.8%
2 bedrooms	10.8%
3 bedrooms	61.1%
4 bedrooms	21.1%
5+ bedrooms	5.8%

Vehicles per household

Vehicles	% of households
No vehicle	1.2%
1 vehicle	16.0%
2 vehicles	57.1%
3 or more	25.7%

Heating fuel

Fuel type	%
Utility gas	89.9%
Electricity	3.7%
Propane / LP gas	2.8%
Fuel oil	2.7%
No fuel used	0.8%

Households & families

Household type	Count	%
Married-couple family	1,940	61.8%
Cohabiting couple	143	4.6%
Male householder, no spouse	303	9.6%
Female householder, no spouse	754	24.0%
Households with children under 18	998	31.8%
Households with seniors (65+)	1,455	46.3%
Average household size	2.46

Marital status

Status	Male	Female
Never married	26.1%	17.0%
Married	63.5%	61.8%
Separated	0.0%	0.0%
Widowed	4.0%	10.7%
Divorced	6.4%	10.4%

Education

Less than 9th grade 1.2%

Some HS, no diploma 4.0%

HS graduate 29.9%

Some college, no degree 15.6%

Associate's degree 6.7%

Bachelor's degree 31.2%

Graduate / professional 11.4%

Metric	%
HS diploma or higher	94.8%
Bachelor's or higher	42.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	38	2.5%
Kindergarten	120	7.9%
Elementary school	474	31.1%
High school	670	44.0%
College / grad school	221	14.5%

Employment

Industry of employment

Education & healthcare 25.0%

Manufacturing 19.2%

Professional & management 10.9%

Finance & real estate 8.9%

Retail trade 7.7%

Construction 7.6%

Arts, food & hospitality 7.1%

Public administration 3.8%

Transportation & utilities 3.2%

Other services 3.0%

Wholesale trade 2.7%

Information 1.0%

Occupation

Category	%
Management, business & arts	48.7%
Service	11.0%
Sales & office	18.9%
Natural resources & construction	9.4%
Production & transportation	12.1%

Employment type

Type	%
Private sector	87.6%
Government	8.7%
Self-employed	3.7%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	79.2%
Carpool	5.9%
Public transit	0.0%
Walk	0.5%
Work from home	12.2%
Other means	2.2%
Avg commute (minutes)	23.4

Poverty

All people 5.1%

Under 18 years 0.9%

18 and over 6.1%

Married-couple families 1.0%

Female-led households 35.2%

Income support

Source	% of households
Social Security	45.4%
Retirement income	44.3%
Supplemental Security	2.4%
Cash public assistance	0.0%
Food stamps / SNAP	1.4%

Health indicators

Condition	%
Obesity	30.1%
High blood pressure	29.0%
High cholesterol	34.3%
Diabetes	8.0%
Heart disease	5.4%
Stroke	2.4%
Asthma	8.6%
Arthritis	23.7%
Kidney disease	2.5%
Pulmonary disease	4.9%
Cancer	7.5%

Behavior / access	%
Smoking	13.5%
Binge drinking	23.2%
No physical activity	16.3%
Less than 7 hrs sleep	27.9%
Depression	18.4%
Fair or poor health	9.0%
Poor mental health	11.3%
Poor physical health	8.1%
No health insurance	7.8%
Visited doctor (checkup)	77.7%
Visited dentist	78.4%
Cholesterol screening	90.7%
Teeth loss	7.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	496	8.1%

Disability	%
Any disability	12.0%
Under 18	7.0%
18–64 years	8.0%
65 and over	23.5%

Health insurance coverage

Type	%
Private insurance	81.0%
Public insurance	34.5%
No insurance	3.1%
Uninsured under 19	3.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	7,306	94.3%
Spanish	66	0.9%
Other Indo-European	28	0.4%
Asian & Pacific Islander	0	0.0%
Other languages	38	0.5%

Place of birth & citizenship

Origin	Count	%
Native born (US)	7,524	97.1%
Born in same state	7,512	97.0%
Born in different state	6,416	82.8%
Foreign born	12	0.2%
Naturalized citizen	222	2.9%
Not a US citizen	203	91.4%

Ancestry

Ancestry	Count	%
Italian	620	8%
Polish	449	5.8%
French	330	4.3%
Arab	218	2.8%

Ancestry	Count	%
English	155	2%
Irish	58	0.7%
Dutch	45	0.6%
Norwegian	26	0.3%

Technology access

Metric	% of households
Computer access	40.5%
Internet access	89.8%

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

Frequently asked questions about ZIP code 53146

What city is ZIP code 53146 in?

ZIP code 53146 is primarily assigned to New Berlin, Wisconsin.

What county is ZIP code 53146 in?

ZIP code 53146 falls within Waukesha County, Wisconsin.

Is ZIP code 53146 mostly owner-occupied?

97% of occupied units in ZIP code 53146 are owner-occupied, well above the national average.

Does ZIP code 53146 have an older population?

27% of residents in ZIP code 53146 are 65 or older, above the national average of ~17%.

Does ZIP code 53146 have a large retiree population?

45% of households in ZIP code 53146 receive Social Security income, suggesting a significant retiree or disability population.

What is the population of ZIP code 53146?

ZIP code 53146 has an estimated population of 7,746 residents, with a density of 423 people per square mile.

What timezone is ZIP code 53146 in?

ZIP code 53146 observes the CST timezone.