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US ZIP Code Profile

ZIP Code 48312
Sterling Heights, Michigan

ZIP code 48312 is in Sterling Heights, located in Macomb County, Michigan, within the Detroit-Warren-Dearborn metro area. Its 2020 Census population was 34,854. The estimated median adjusted gross income per tax return is $44,693, and about 3% of filers report $200,000 or more.

2020 Population
34,854
Census ZCTA
County
Macomb
FIPS 26099
Median income (est.)
$44,693
IRS SOI 2022
Land Area
11.254 mi²
+ 0.076 mi² water

01Location & Geography

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

Primary CitySterling Heights, 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
Coordinates42.558228, -83.00893
Land / Water Area11.254 mi² land · 0.076 mi² water

02Income & Economics

Distribution of the 17,930 individual tax returns filed in 48312 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
31.1%
$25K–$50K
24.0%
$50K–$75K
15.3%
$75K–$100K
10.8%
$100K–$200K
16.0%
$200K+
2.8%
The $200,000+ bracket accounts for 15% of 48312's total adjusted gross income, from 3% of returns — a concentration that drives the gap between the median ($44,693) 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 48312's IRS income metrics, 2020–2022.

Median income (2021→2022)
$44,693
▲ 0.6%
Filers earning $200K+
2.8%
▲ 0.3 pt
Total filers
17,930
▼ 0.1%
GET /zipc/v2/zipcodes/48312/soi?year=… $41K 2020 $44K 2021 $45K 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 48312 ZCTA.

2000
31,877
 
2010
32,720
▲ +2.6%
2020
34,854
▲ +6.5%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 48312. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 48312

Sterling Heights and its immediate neighbors, sorted by distance.

3 mi
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Distance from 48312 to any ZIP

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06USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypeBranch
Carrier Route SortB
USPS Finance Number259510
City AliasesSterling Heights, Sterling Hts, St Heights

07Frequently Asked Questions

What county is ZIP code 48312 in?

ZIP code 48312 is in Macomb County, Michigan (county FIPS code 26099).

What city is ZIP code 48312?

The primary USPS city for 48312 is Sterling Heights, MI.

What metro area (MSA) is 48312 in?

48312 is part of the Detroit-Warren-Dearborn, MI Metro Area (MSA code 19820).

What is the population of ZIP code 48312?

The 2020 Census population of 48312 was 34,854 residents.

What is the median income in ZIP code 48312?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 48312 is about $44,693, with around 3% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.