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US ZIP Code Profile

ZIP Code 48009
Birmingham, Michigan

ZIP code 48009 is in Birmingham, located in Oakland County, Michigan, within the Detroit-Warren-Dearborn metro area. Its 2020 Census population was 21,817. The estimated median adjusted gross income per tax return is $128,571, and about 36% of filers report $200,000 or more.

2020 Population
21,817
Census ZCTA
County
Oakland
FIPS 26125
Median income (est.)
$128,571
IRS SOI 2022
Land Area
5.044 mi²
+ 0.012 mi² water

01Location & Geography

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

Primary CityBirmingham, MI
CountyOakland County (FIPS 26125)
StateMichigan (FIPS 26)
Metro Area (MSA)Detroit-Warren-Dearborn, MI Metro Area (19820)
Census Region / DivisionMidwest Region · East North Central Division
Coordinates42.54405, -83.21765
Land / Water Area5.044 mi² land · 0.012 mi² water

02Income & Economics

Distribution of the 10,620 individual tax returns filed in 48009 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
18.4%
$25K–$50K
9.0%
$50K–$75K
8.8%
$75K–$100K
8.4%
$100K–$200K
19.1%
$200K+
36.4%
The $200,000+ bracket accounts for 88% of 48009's total adjusted gross income, from 36% of returns — a concentration that drives the gap between the median ($128,571) 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 48009's IRS income metrics, 2020–2022.

Median income (2021→2022)
$128,571
▲ 3.3%
Filers earning $200K+
36.4%
▲ 0.7 pt
Total filers
10,620
▼ 1.9%
GET /zipc/v2/zipcodes/48009/soi?year=… $103K 2020 $125K 2021 $129K 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 48009 ZCTA.

2000
19,239
 
2010
20,107
▲ +4.5%
2020
21,817
▲ +8.5%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 48009. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 48009

Birmingham and its immediate neighbors, sorted by distance.

3 mi
GET /zipc/v2/distance

Distance from 48009 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 SortB
USPS Finance Number250980
City AliasesBirmingham, Bham

07Frequently Asked Questions

What county is ZIP code 48009 in?

ZIP code 48009 is in Oakland County, Michigan (county FIPS code 26125).

What city is ZIP code 48009?

The primary USPS city for 48009 is Birmingham, MI.

What metro area (MSA) is 48009 in?

48009 is part of the Detroit-Warren-Dearborn, MI Metro Area (MSA code 19820).

What is the population of ZIP code 48009?

The 2020 Census population of 48009 was 21,817 residents.

What is the median income in ZIP code 48009?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 48009 is about $128,571, with around 36% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.