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US ZIP Code Profile

ZIP Code 48091
Warren, Michigan

ZIP code 48091 is in Warren, located in Macomb County, Michigan, within the Detroit-Warren-Dearborn metro area. Its 2020 Census population was 32,267. The estimated median adjusted gross income per tax return is $32,651, and about 1% of filers report $200,000 or more.

2020 Population
32,267
Census ZCTA
County
Macomb
FIPS 26099
Median income (est.)
$32,651
IRS SOI 2022
Land Area
7.988 mi²
+ 0 mi² water

01Location & Geography

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

Primary CityWarren, MI
CountyMacomb County (FIPS 26099)
StateMichigan (FIPS 26)
Metro Area (MSA)Detroit-Warren-Dearborn, MI Metro Area (19820)
Census Region / DivisionMidwest Region · East North Central Division
Coordinates42.468163, -83.058
Land / Water Area7.988 mi² land · 0 mi² water

02Income & Economics

Distribution of the 14,650 individual tax returns filed in 48091 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
40.7%
$25K–$50K
30.4%
$50K–$75K
15.1%
$75K–$100K
6.8%
$100K–$200K
6.3%
$200K+
0.7%
The $200,000+ bracket accounts for 5% of 48091's total adjusted gross income, from 1% of returns — a concentration that drives the gap between the median ($32,651) 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 48091's IRS income metrics, 2020–2022.

Median income (2021→2022)
$32,651
▲ 0.2%
Filers earning $200K+
0.7%
▲ 0.2 pt
Total filers
14,650
▲ 0.8%
GET /zipc/v2/zipcodes/48091/soi?year=… $30K 2020 $33K 2021 $33K 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 48091 ZCTA.

2000
31,985
 
2010
31,106
▼ -2.7%
2020
32,267
▲ +3.7%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 48091. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 48091

Warren and its immediate neighbors, sorted by distance.

3 mi
GET /zipc/v2/distance

Distance from 48091 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 Number259735
City AliasesWarren

07Frequently Asked Questions

What county is ZIP code 48091 in?

ZIP code 48091 is in Macomb County, Michigan (county FIPS code 26099).

What city is ZIP code 48091?

The primary USPS city for 48091 is Warren, MI.

What metro area (MSA) is 48091 in?

48091 is part of the Detroit-Warren-Dearborn, MI Metro Area (MSA code 19820).

What is the population of ZIP code 48091?

The 2020 Census population of 48091 was 32,267 residents.

What is the median income in ZIP code 48091?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 48091 is about $32,651, 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.