Get API Key →
US ZIP Code Profile

ZIP Code 53151
New Berlin, Wisconsin

ZIP code 53151 is in New Berlin, located in Waukesha County, Wisconsin, within the Milwaukee-Waukesha-West Allis metro area. Its 2020 Census population was 32,535. The estimated median adjusted gross income per tax return is $69,780, and about 10% of filers report $200,000 or more.

2020 Population
32,535
Census ZCTA
County
Waukesha
FIPS 55133
Median income (est.)
$69,780
IRS SOI 2022
Land Area
17.766 mi²
+ 0.153 mi² water

01Location & Geography

Authoritative geographic identifiers from the U.S. Census Bureau, ANSI, and FIPS standards.

Primary CityNew Berlin, WI
CountyWaukesha County (FIPS 55133)
StateWisconsin (FIPS 55)
Metro Area (MSA)Milwaukee-Waukesha-West Allis, WI Metro Area (33340)
Census Region / DivisionMidwest Region · East North Central Division
Coordinates42.97393, -88.095566
Land / Water Area17.766 mi² land · 0.153 mi² water

02Income & Economics

Distribution of the 17,520 individual tax returns filed in 53151 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
20.2%
$25K–$50K
17.5%
$50K–$75K
15.6%
$75K–$100K
11.6%
$100K–$200K
25.2%
$200K+
9.9%
The $200,000+ bracket accounts for 36% of 53151's total adjusted gross income, from 10% of returns — a concentration that drives the gap between the median ($69,780) and the average.
Estimated median = median adjusted gross income per tax return, interpolated from IRS SOI brackets. Differs from U.S. Census household income.

03Income Over Time

Year-over-year change in 53151's IRS income metrics, 2020–2022.

Median income (2021→2022)
$69,780
▲ 1.9%
Filers earning $200K+
9.9%
▲ 0.5 pt
Total filers
17,520
▲ 0.0%
GET /zipc/v2/zipcodes/53151/soi?year=… $63K 2020 $69K 2021 $70K 2022
Median = adjusted gross income per return, interpolated from IRS SOI brackets. Figures are nominal (not inflation-adjusted).

04Population Trend

Decennial U.S. Census population for the 53151 ZCTA.

2000
30,903
 
2010
31,987
▲ +3.5%
2020
32,535
▲ +1.7%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 53151. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 53151

New Berlin and its immediate neighbors, sorted by distance.

3 mi
GET /zipc/v2/distance

Distance from 53151 to any ZIP

Enter a 5-digit ZIP to calculate the distance.

06USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypeBranch
Carrier Route SortD
USPS Finance Number568640
City AliasesNew Berlin

07Frequently Asked Questions

What county is ZIP code 53151 in?

ZIP code 53151 is in Waukesha County, Wisconsin (county FIPS code 55133).

What city is ZIP code 53151?

The primary USPS city for 53151 is New Berlin, WI.

What metro area (MSA) is 53151 in?

53151 is part of the Milwaukee-Waukesha-West Allis, WI Metro Area (MSA code 33340).

What is the population of ZIP code 53151?

The 2020 Census population of 53151 was 32,535 residents.

What is the median income in ZIP code 53151?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 53151 is about $69,780, with around 10% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.