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US ZIP Code Profile

ZIP Code 53204
Milwaukee, Wisconsin

ZIP code 53204 is in Milwaukee, located in Milwaukee County, Wisconsin, within the Milwaukee-Waukesha-West Allis metro area. Its 2020 Census population was 39,728. The estimated median adjusted gross income per tax return is $32,054, and about 1% of filers report $200,000 or more.

2020 Population
39,728
Census ZCTA
County
Milwaukee
FIPS 55079
Median income (est.)
$32,054
IRS SOI 2022
Land Area
3.283 mi²
+ 0.087 mi² water

01Location & Geography

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

Primary CityMilwaukee, 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
Coordinates43.018585, -87.926056
Land / Water Area3.283 mi² land · 0.087 mi² water

02Income & Economics

Distribution of the 15,400 individual tax returns filed in 53204 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
39.7%
$25K–$50K
36.4%
$50K–$75K
13.7%
$75K–$100K
5.1%
$100K–$200K
3.7%
$200K+
1.4%
The $200,000+ bracket accounts for 30% of 53204's total adjusted gross income, from 1% of returns — a concentration that drives the gap between the median ($32,054) 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 53204's IRS income metrics, 2020–2022.

Median income (2021→2022)
$32,054
▲ 12.1%
Filers earning $200K+
1.4%
▲ 0.1 pt
Total filers
15,400
▼ 1.0%
GET /zipc/v2/zipcodes/53204/soi?year=… $25K 2020 $29K 2021 $32K 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 53204 ZCTA.

2000
42,382
 
2010
42,355
▼ -0.1%
2020
39,728
▼ -6.2%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 53204. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 53204

Milwaukee and its immediate neighbors, sorted by distance.

3 mi
GET /zipc/v2/distance

Distance from 53204 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 Number565480
City AliasesMilwaukee

07Frequently Asked Questions

What county is ZIP code 53204 in?

ZIP code 53204 is in Milwaukee County, Wisconsin (county FIPS code 55079).

What city is ZIP code 53204?

The primary USPS city for 53204 is Milwaukee, WI.

What metro area (MSA) is 53204 in?

53204 is part of the Milwaukee-Waukesha-West Allis, WI Metro Area (MSA code 33340).

What is the population of ZIP code 53204?

The 2020 Census population of 53204 was 39,728 residents.

What is the median income in ZIP code 53204?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 53204 is about $32,054, with around 1% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.