48079 ZIP Code — Saint Clair, MI

Saint Clair County, Michigan

ZIP code 48079 is located in Saint Clair, Michigan, within Saint Clair County. It covers approximately 41.85 square miles and serves a population of 12,572 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 810.

About ZIP code 48079

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $262,900. Owner-occupancy is high at 83%, well above the national average.

The gap between median ($83,841) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 7% is below the national average. 37% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 27 minutes is near the national average.

Educational attainment is near the national average, with 25% of residents holding a bachelor's degree or higher.

Overall, ZIP code 48079 reflects a community defined by high homeownership and a significant Social Security-dependent population.

12,572

population

41.85

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

48079 ZIP code map

Cities in ZIP code 48079

Below are the cities the US Postal Service accepts for ZIP code 48079. Using any city not on this list may result in mail delivery delays.

City	Status
Saint Clair	Acceptable
Saint Clair	Preferred

Nearby ZIP codes

48040 Marysville (5 mi) 48074 Smiths Creek (6.5 mi) 48027 Goodells (9.6 mi) 48060 Port Huron (10 mi) 48039 Marine City (11.2 mi) 48049 North Street (12.6 mi) 48023 Fair Haven (12.7 mi) 48062 Richmond (12.9 mi) 48050 New Haven (13.6 mi) 48041 Memphis (14 mi) 48048 New Haven (15 mi) 48001 Algonac (15.3 mi)

Demographics updated 06/2026

Population
Total population	12,572
Population density	300 / sq mi
State FIPS	26
County FIPS	147

Geography
Land area	41.85 sq mi
Water area	1.44 sq mi
Latitude	42.8556
Longitude	-82.5461
Timezone	Eastern (ET)
Area code	810

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	28.6%	43.0%	42.6%
$50k – $100k	34.6%	31.9%	31.1%
$100k – $200k	29.6%	21.1%	20.6%
Over $200k	7.1%	4.0%	5.7%

Demographics & statistics

12,572

Population

300

People per sq mi

44.3

Median age

$83,841

Median household income

$44,621

Per capita income

$262,900

Median home value

$1,096

Median monthly rent

83.3%

Home ownership

6.7%

Poverty rate

5.9%

Unemployment

4,493

Housing units

24.5%

Bachelor's or higher

Age distribution

Male Female

289

Under 5

282

298

5–9

291

505

10–14

495

374

15–19

365

430

20–24

420

749

25–34

733

605

35–44

591

924

45–54

905

564

55–59

552

440

60–64

431

660

65–74

645

355

75–84

347

163

85+

159

← Male

Female →

Age summary

Group	Count	%
Under 18	2,604	20.7%
18 and over	9,968	79.3%
65 and over	2,329	18.5%
Median age	44.3 years

Race & ethnicity

White 94.9%

Two or more races 2.3%

Hispanic or Latino 1.3%

Black or African American 0.8%

Asian 0.3%

Other race 0.3%

Native Hawaiian / Pacific Islander 0.1%

Group	Count	%
White	12,091	94.9%
Two or more races	295	2.3%
Hispanic or Latino	166	1.3%
Black or African American	98	0.8%
Asian	40	0.3%
Other race	40	0.3%
Native Hawaiian / Pacific Islander	8	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	28.6%	43.0%	42.6%
$50k – $100k	34.6%	31.9%	31.1%
$100k – $200k	29.6%	21.1%	20.6%
Over $200k	7.1%	4.0%	5.7%

Under $10k 2.5%

$10k–$15k 4.2%

$15k–$25k 4.6%

$25k–$35k 4.7%

$35k–$50k 9.8%

$50k–$75k 19.4%

$75k–$100k 13.2%

$100k–$150k 22.0%

$150k–$200k 8.9%

$200k+ 10.7%

Range	% of households
Under $10k	2.5%
$10k–$15k	4.2%
$15k–$25k	4.6%
$25k–$35k	4.7%
$35k–$50k	9.8%
$50k–$75k	19.4%
$75k–$100k	13.2%
$100k–$150k	22.0%
$150k–$200k	8.9%
$200k+	10.7%
Median income	$83,841

Housing

Home values

Under $50k 2.3%

$50k–$100k 2.0%

$100k–$150k 10.8%

$150k–$200k 17.4%

$200k–$300k 30.1%

$300k–$500k 29.6%

$500k–$1M 7.0%

$1M+ 0.7%

Housing overview

Metric	Value
Median home value	$262,900
Median rent / month	$1,096
Owner occupied	83.3%
Renter occupied	16.7%
Vacant	5.0%
Single-family detached	80.7%
Large apartment buildings	2.3%
Mobile homes	1.2%
Median rooms	6.4
Avg household size (owned)	2.60

Year built

Era	%
2020 or later	0.0%
2010–2019	4.2%
2000–2009	8.8%
1990–1999	22.3%
1980–1989	12.8%
1970–1979	10.9%
1960–1969	7.4%
1950–1959	9.5%
1940–1949	8.2%
1939 or earlier	15.9%

Bedrooms

Size	% of units
No bedroom (studio)	0.5%
1 bedroom	5.6%
2 bedrooms	20.3%
3 bedrooms	49.8%
4 bedrooms	20.4%
5+ bedrooms	3.4%

Vehicles per household

Vehicles	% of households
No vehicle	5.4%
1 vehicle	28.7%
2 vehicles	37.1%
3 or more	28.8%

Heating fuel

Fuel type	%
Utility gas	80.3%
Electricity	9.0%
Propane / LP gas	6.1%
Fuel oil	0.5%
Wood	2.0%
No fuel used	0.8%

Households & families

Household type	Count	%
Married-couple family	2,859	56.3%
Cohabiting couple	283	5.6%
Male householder, no spouse	761	15.0%
Female householder, no spouse	1,171	23.1%
Households with children under 18	1,394	27.5%
Households with seniors (65+)	1,787	35.2%
Average household size	2.47

Marital status

Status	Male	Female
Never married	32.3%	18.6%
Married	56.4%	57.2%
Separated	1.2%	0.2%
Widowed	2.4%	11.6%
Divorced	7.7%	12.4%

Education

Less than 9th grade 0.8%

Some HS, no diploma 3.8%

HS graduate 28.5%

Some college, no degree 28.0%

Associate's degree 14.4%

Bachelor's degree 16.3%

Graduate / professional 8.2%

Metric	%
HS diploma or higher	95.4%
Bachelor's or higher	24.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	152	5.4%
Kindergarten	148	5.2%
Elementary school	1,291	45.7%
High school	679	24.0%
College / grad school	556	19.7%

Employment

Industry of employment

Education & healthcare 23.1%

Manufacturing 19.0%

Construction 11.1%

Retail trade 9.9%

Arts, food & hospitality 7.7%

Professional & management 6.9%

Public administration 5.9%

Transportation & utilities 4.8%

Other services 3.2%

Finance & real estate 2.7%

Wholesale trade 2.4%

Information 1.9%

Agriculture & mining 1.4%

Occupation

Category	%
Management, business & arts	38.3%
Service	14.5%
Sales & office	19.1%
Natural resources & construction	14.4%
Production & transportation	13.7%

Employment type

Type	%
Private sector	82.4%
Government	13.3%
Self-employed	4.3%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	84.9%
Carpool	8.0%
Public transit	0.0%
Walk	1.7%
Work from home	5.0%
Other means	0.3%
Avg commute (minutes)	26.5

Poverty

All people 6.7%

Under 18 years 7.1%

18 and over 6.6%

Married-couple families 2.4%

Female-led households 16.0%

Income support

Source	% of households
Social Security	36.5%
Retirement income	31.1%
Supplemental Security	4.7%
Cash public assistance	2.1%
Food stamps / SNAP	6.4%

Health indicators

Condition	%
Obesity	35.0%
High blood pressure	31.9%
High cholesterol	35.0%
Diabetes	9.7%
Heart disease	6.2%
Stroke	2.7%
Asthma	10.5%
Arthritis	29.3%
Kidney disease	2.7%
Pulmonary disease	6.8%
Cancer	7.3%

Behavior / access	%
Smoking	17.8%
Binge drinking	19.8%
No physical activity	17.5%
Less than 7 hrs sleep	30.9%
Depression	20.3%
Fair or poor health	11.8%
Poor mental health	15.1%
Poor physical health	9.7%
No health insurance	7.9%
Visited doctor (checkup)	74.1%
Visited dentist	75.7%
Cholesterol screening	92.6%
Teeth loss	9.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	653	6.6%

Disability	%
Any disability	12.2%
Under 18	1.8%
18–64 years	8.9%
65 and over	34.4%

Health insurance coverage

Type	%
Private insurance	83.3%
Public insurance	28.9%
No insurance	4.1%
Uninsured under 19	6.3%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	12,001	95.5%
Spanish	53	0.4%
Other Indo-European	20	0.2%
Asian & Pacific Islander	27	0.2%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	12,268	97.6%
Born in same state	12,190	97.0%
Born in different state	10,733	85.4%
Foreign born	78	0.6%
Naturalized citizen	304	2.4%
Not a US citizen	173	56.9%

Ancestry

Ancestry	Count	%
Italian	1,541	12.3%
French	1,342	10.7%
Arab	494	3.9%
German	424	3.4%
English	148	1.2%

Ancestry	Count	%
Polish	139	1.1%
Irish	47	0.4%
Dutch	26	0.2%
Norwegian	2	0%

Technology access

Metric	% of households
Computer access	40.4%
Internet access	93.2%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 48079

What city is ZIP code 48079 in?

ZIP code 48079 is primarily assigned to Saint Clair, Michigan.

What county is ZIP code 48079 in?

ZIP code 48079 falls within Saint Clair County, Michigan.

Is ZIP code 48079 mostly owner-occupied?

83% of occupied units in ZIP code 48079 are owner-occupied, well above the national average.

Does ZIP code 48079 have a large retiree population?

37% of households in ZIP code 48079 receive Social Security income, suggesting a significant retiree or disability population.

What is the population of ZIP code 48079?

ZIP code 48079 has an estimated population of 12,572 residents, with a density of 300 people per square mile.

What is the median household income in ZIP code 48079?

The median household income in ZIP code 48079 is $83,841, above the national median of ~$75,000.

What timezone is ZIP code 48079 in?

ZIP code 48079 observes the EST timezone.