🇺🇸 United States ZIP Code

STANDARD

48079

Saint Clair

ZIP Code 48079 is a standard zip code serving Saint Clair, Saint Clair, Michigan (MI), in St. Clair County, United States. It has an estimated population of 12,304 with a median household income of $58,768. The area falls within the America/Detroit timezone.

Median Household Income vs. National Average

Location

Country: 🇺🇸 United States
State / Province: Michigan (MI)
County: St. Clair
City: Saint Clair
Timezone: America/Detroit

Coordinates

Latitude: 42.825500
Longitude: -82.513300

Geographic Details

Land Area: 41.70 mi²
Water Area: 1.42 mi²
Population Density: 295.0 people per mi² (65th percentile)
Bounding Box: 42.908399°N, 42.806802°S, -82.468144°E, -82.619681°W

With 12,304 residents spread across 41.70 square miles, this area has a population density of 295.0 people per square mile.

Demographics

12,304

Population

70th percentile

$58,768

Median Income

70th percentile

$158,500

Median Home Value

60th percentile

41.70 mi²

Land Area

The median household income in 48079 is $58,768, and the median home value is $158,500.

Housing

5,264

Total Units

4,840

Occupied Units

91.9%

Occupancy Rate

Similar ZIP Codes in Michigan

ZIP codes with similar median household income in Michigan.

49024

Portage

$61,907

49648

Kewadin

$63,438

49328

Hopkins

$52,863

48423

Davison

$51,156

49460

West Olive

$65,230

48105

Ann Arbor

$59,130

48317

Utica

$50,835

48917

Lansing

$51,830

Frequently Asked Questions

What information is available for each ZIP code?

Each ZIP code page shows city, state, county, geographic coordinates, timezone, population, median household income, median home value, housing units, land area, population density, commute time, educational attainment, area codes, and ZIP code type (Standard, PO Box, or Unique).

What are the different types of ZIP codes?

There are three types of ZIP codes: Standard (residential and commercial delivery areas), PO Box (assigned to post office box sections), and Unique (assigned to a single high-volume address like a government agency or large company). Standard ZIP codes are the most common.

How often is ZIP code data updated?

ZIP code assignments are updated quarterly by the USPS. Demographic data comes from the US Census Bureau's American Community Survey (ACS), which releases new 5-year estimates annually. ZipFYI updates its data to reflect the latest available information.

What is population density and why does it matter?

Population density measures the number of people per square mile in a ZIP code area. It helps identify urban vs. rural areas, affects real estate values, impacts service availability, and is used in market analysis. Dense urban ZIP codes may have 50,000+ people per square mile.

How are ZIP code boundaries determined?

ZIP code boundaries are determined by the USPS based on mail delivery routes, not political or geographic boundaries. They follow carrier routes and may cross city, county, or even state lines. Boundaries can change when the USPS reorganizes delivery operations.

What does median household income tell me about a ZIP code?

Median household income is the middle value when all household incomes in a ZIP code are sorted. Half of households earn more and half earn less. It is a better indicator of typical earnings than average income, which can be skewed by very high or very low outliers.