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US ZIP Code Profile

ZIP Code 53129
Greendale, Wisconsin

ZIP code 53129 is in Greendale, located in Milwaukee County, Wisconsin, within the Milwaukee-Waukesha-West Allis metro area. Its 2020 Census population was 14,793. The estimated median adjusted gross income per tax return is $64,316, and about 6% of filers report $200,000 or more.

2020 Population
14,793
Census ZCTA
County
Milwaukee
FIPS 55079
Median income (est.)
$64,316
IRS SOI 2022
Land Area
5.142 mi²
+ 0.009 mi² water

01Location & Geography

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

Primary CityGreendale, WI
CountyMilwaukee County (FIPS 55079)
StateWisconsin (FIPS 55)
Metro Area (MSA)Milwaukee-Waukesha-West Allis, WI Metro Area (33340)
Census Region / DivisionMidwest Region · East North Central Division
Coordinates42.939995, -88.000854
Land / Water Area5.142 mi² land · 0.009 mi² water

02Income & Economics

Distribution of the 7,420 individual tax returns filed in 53129 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
22.5%
$25K–$50K
18.5%
$50K–$75K
15.8%
$75K–$100K
12.4%
$100K–$200K
24.4%
$200K+
6.5%
The $200,000+ bracket accounts for 26% of 53129's total adjusted gross income, from 6% of returns — a concentration that drives the gap between the median ($64,316) 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 53129's IRS income metrics, 2020–2022.

Median income (2021→2022)
$64,316
▲ 3.4%
Filers earning $200K+
6.5%
▲ 0.0 pt
Total filers
7,420
▼ 0.3%
GET /zipc/v2/zipcodes/53129/soi?year=… $58K 2020 $62K 2021 $64K 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 53129 ZCTA.

2000
14,163
 
2010
13,973
▼ -1.3%
2020
14,793
▲ +5.9%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 53129. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 53129

Greendale and its immediate neighbors, sorted by distance.

3 mi
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Distance from 53129 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 TypePost Office
Carrier Route SortD
USPS Finance Number563420
City AliasesGreendale

07Frequently Asked Questions

What county is ZIP code 53129 in?

ZIP code 53129 is in Milwaukee County, Wisconsin (county FIPS code 55079).

What city is ZIP code 53129?

The primary USPS city for 53129 is Greendale, WI.

What metro area (MSA) is 53129 in?

53129 is part of the Milwaukee-Waukesha-West Allis, WI Metro Area (MSA code 33340).

What is the population of ZIP code 53129?

The 2020 Census population of 53129 was 14,793 residents.

What is the median income in ZIP code 53129?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 53129 is about $64,316, with around 6% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.