48079 ZIP Code, Saint Clair, MI

48079 is a ZIP code in Saint Clair, Michigan in St. Clair County. It covers 42 square miles of land. The closest ZIP codes are 48040, 48054 and 48074. 12,711 people live here in 5,348 households. With about 304 people per square mile it is lightly settled, and most homes are owner-occupied (82%). Median household income is $79,891, close to the Michigan median of $72,875; the median age is 45.3, older than most ZIP codes.

Quick facts

Key figures

MeasureValue
Residents12,711
Households5,348
Median household income$79,891
Income per person$42,948
Median age45.3
Homeowners82.1%
Median home value$293,000
Median rent$1,139
Bachelor's degree or higher26.5%
Average commute (minutes)25
Households with kids under 1826.2%
Moved in the past year7.2%
Below the poverty line6.1%
Broadband internet92.8%
Speak a non-English language at home3.3%

Household income

% of householdsValue
<$10K3.3%
$10–15K1.6%
$15–25K5.1%
$25–35K4.1%
$35–50K11.1%
$50–75K23.2%
$75–100K10.9%
$100–150K24.9%
$150–200K7.1%
$200K+8.7%

Age

% of all residentsValue
<108.8%
10–1914.4%
20–245.0%
25–3412.8%
35–448.6%
45–5414.2%
55–6416.1%
65–7411.4%
75+8.7%

Tenure

% of housing unitsValue
Owned, with mortgage48.4%
Owned outright33.2%
Rented17.2%
Vacant1.2%

Type of building

% of housing unitsValue
Detached house80.9%
Townhome7.3%
2–4 units3.8%
5–19 units4.4%
20+ units2.1%
Mobile / other1.5%

Businesses in 48079

288 business establishments with 4,103 employees (ZIP Codes Business Patterns 2023).

EDDM carrier routes

See every USPS carrier route in 48079 with residential and business mailbox counts on the route map. Open the EDDM route map.

Nearby ZIP codes

Areas that include 48079

Where it ranks

Mail every home in 48079

Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.

EDDM guides

ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 48079, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.

Frequently asked questions

What city is 48079 in?
48079 is a Saint Clair, MI mailing address. By land area, 7% lies inside St. Clair; the rest is outside any Census-defined city or community.
What county is 48079 in?
48079 is in St. Clair County.
What is the population of 48079?
About 12,711 people (±22), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 12,553.
What is the median household income in 48079?
$79,891 (±$10,579), compared with $72,875 for Michigan as a whole. Half the households in the ZIP code earn more and half earn less.
How many carrier routes and mailboxes are in 48079?
EDDM2GO's stored route library does not include 48079 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
What ZIP codes are near 48079?
The closest, measured center to center: 48040 (4.9 mi, Marysville), 48054 (6.2 mi), 48074 (6.3 mi, Marysville), 48063 (6.8 mi, Richmond), 48064 (8.9 mi, Richmond) and 48027 (9.4 mi).

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.