48059 ZIP Code — Fort Gratiot, MI

Saint Clair County, Michigan

ZIP code 48059 is located in Fort Gratiot, Michigan, within Saint Clair County. It covers approximately 31.70 square miles and serves a population of 15,314 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 810.

About ZIP code 48059

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 $192,700. Owner-occupancy is high at 83%, well above the national average.

Median household income is $77,696. 40% 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 25 minutes is near the national average.

Educational attainment is near the national average, with 28% of residents holding a bachelor's degree or higher.

Overall, ZIP code 48059 reflects a community defined by high homeownership and a significant Social Security-dependent population.

15,314

population

31.70

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

48059 ZIP code map

Cities in ZIP code 48059

Below are the cities the US Postal Service accepts for ZIP code 48059. Using any city not on this list may result in mail delivery delays.

City	Status
Fort Gratiot	Acceptable

Demographics updated 06/2026

Population
Total population	15,314
Population density	483 / sq mi
State FIPS	26
County FIPS	147

Geography
Land area	31.70 sq mi
Water area	7.21 sq mi
Latitude	43.0869
Longitude	-82.5002
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	39.1%	43.0%	42.6%
$50k – $100k	34.7%	31.9%	31.1%
$100k – $200k	20.2%	21.1%	20.6%
Over $200k	6.1%	4.0%	5.7%

Demographics & statistics

15,314

Population

483

People per sq mi

47.6

Median age

$77,696

Median household income

$40,292

Per capita income

$192,700

Median home value

$998

Median monthly rent

82.7%

Home ownership

8.9%

Poverty rate

6.3%

Unemployment

5,904

Housing units

27.9%

Bachelor's or higher

Age distribution

Male Female

332

Under 5

364

340

5–9

373

459

10–14

502

483

15–19

528

381

20–24

417

689

25–34

755

792

35–44

867

980

45–54

1,074

554

55–59

607

508

60–64

557

1,082

65–74

1,185

508

75–84

556

201

85+

220

← Male

Female →

Age summary

Group	Count	%
Under 18	3,006	19.6%
18 and over	12,308	80.4%
65 and over	3,752	24.5%
Median age	47.6 years

Race & ethnicity

White 92.4%

Two or more races 2.4%

Hispanic or Latino 2.2%

Other race 1.4%

Black or African American 0.8%

Asian 0.5%

American Indian / Alaska Native 0.2%

Group	Count	%
White	14,473	92.4%
Two or more races	383	2.4%
Hispanic or Latino	344	2.2%
Other race	221	1.4%
Black or African American	129	0.8%
Asian	83	0.5%
American Indian / Alaska Native	25	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	39.1%	43.0%	42.6%
$50k – $100k	34.7%	31.9%	31.1%
$100k – $200k	20.2%	21.1%	20.6%
Over $200k	6.1%	4.0%	5.7%

Under $10k 3.3%

$10k–$15k 2.8%

$15k–$25k 7.5%

$25k–$35k 5.9%

$35k–$50k 11.4%

$50k–$75k 17.9%

$75k–$100k 18.7%

$100k–$150k 16.5%

$150k–$200k 8.5%

$200k+ 7.6%

Range	% of households
Under $10k	3.3%
$10k–$15k	2.8%
$15k–$25k	7.5%
$25k–$35k	5.9%
$35k–$50k	11.4%
$50k–$75k	17.9%
$75k–$100k	18.7%
$100k–$150k	16.5%
$150k–$200k	8.5%
$200k+	7.6%
Median income	$77,696

Housing

Home values

Under $50k 9.2%

$50k–$100k 9.1%

$100k–$150k 14.5%

$150k–$200k 19.8%

$200k–$300k 25.7%

$300k–$500k 14.9%

$500k–$1M 4.3%

$1M+ 2.4%

Housing overview

Metric	Value
Median home value	$192,700
Median rent / month	$998
Owner occupied	82.7%
Renter occupied	17.3%
Vacant	10.1%
Single-family detached	75.6%
Large apartment buildings	6.2%
Mobile homes	11.2%
Median rooms	6.3
Avg household size (owned)	2.44

Year built

Era	%
2020 or later	0.8%
2010–2019	3.7%
2000–2009	14.5%
1990–1999	16.9%
1980–1989	9.9%
1970–1979	12.2%
1960–1969	12.6%
1950–1959	14.4%
1940–1949	5.0%
1939 or earlier	10.2%

Bedrooms

Size	% of units
No bedroom (studio)	2.5%
1 bedroom	5.9%
2 bedrooms	23.6%
3 bedrooms	43.2%
4 bedrooms	17.5%
5+ bedrooms	7.3%

Vehicles per household

Vehicles	% of households
No vehicle	7.1%
1 vehicle	25.3%
2 vehicles	44.3%
3 or more	23.4%

Heating fuel

Fuel type	%
Utility gas	80.1%
Electricity	11.8%
Propane / LP gas	6.2%
Fuel oil	0.3%
Wood	0.2%
No fuel used	0.6%

Households & families

Household type	Count	%
Married-couple family	3,436	54.7%
Cohabiting couple	327	5.2%
Male householder, no spouse	744	11.8%
Female householder, no spouse	1,780	28.3%
Households with children under 18	1,741	27.7%
Households with seniors (65+)	2,445	38.9%
Average household size	2.40

Marital status

Status	Male	Female
Never married	26.9%	20.2%
Married	59.8%	52.8%
Separated	0.6%	1.8%
Widowed	2.9%	12.2%
Divorced	9.8%	13.1%

Education

Less than 9th grade 1.5%

Some HS, no diploma 4.9%

HS graduate 28.7%

Some college, no degree 24.7%

Associate's degree 12.3%

Bachelor's degree 13.5%

Graduate / professional 14.4%

Metric	%
HS diploma or higher	93.7%
Bachelor's or higher	27.9%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	166	5.3%
Kindergarten	208	6.7%
Elementary school	1,329	42.6%
High school	795	25.5%
College / grad school	624	20.0%

Employment

Industry of employment

Education & healthcare 25.6%

Manufacturing 17.9%

Retail trade 11.3%

Arts, food & hospitality 10.7%

Transportation & utilities 7.4%

Public administration 6.7%

Professional & management 6.6%

Construction 4.7%

Other services 3.6%

Finance & real estate 2.5%

Wholesale trade 1.9%

Information 0.9%

Agriculture & mining 0.4%

Occupation

Category	%
Management, business & arts	38.1%
Service	18.2%
Sales & office	19.1%
Natural resources & construction	6.5%
Production & transportation	18.0%

Employment type

Type	%
Private sector	79.9%
Government	14.7%
Self-employed	5.4%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	80.9%
Carpool	11.3%
Public transit	0.5%
Walk	0.7%
Work from home	6.1%
Other means	0.5%
Avg commute (minutes)	24.8

Poverty

All people 8.9%

Under 18 years 14.4%

18 and over 7.6%

Married-couple families 2.1%

Female-led households 16.6%

Income support

Source	% of households
Social Security	40.2%
Retirement income	34.4%
Supplemental Security	4.9%
Cash public assistance	1.9%
Food stamps / SNAP	8.5%

Health indicators

Condition	%
Obesity	36.6%
High blood pressure	35.5%
High cholesterol	37.0%
Diabetes	11.6%
Heart disease	7.6%
Stroke	3.5%
Asthma	11.0%
Arthritis	32.7%
Kidney disease	3.3%
Pulmonary disease	8.5%
Cancer	7.9%

Behavior / access	%
Smoking	19.7%
Binge drinking	18.3%
No physical activity	20.7%
Less than 7 hrs sleep	31.6%
Depression	20.7%
Fair or poor health	14.9%
Poor mental health	15.7%
Poor physical health	11.4%
No health insurance	9.0%
Visited doctor (checkup)	75.2%
Visited dentist	71.6%
Cholesterol screening	92.1%
Teeth loss	12.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,023	8.3%

Disability	%
Any disability	15.1%
Under 18	4.8%
18–64 years	12.0%
65 and over	31.3%

Health insurance coverage

Type	%
Private insurance	77.0%
Public insurance	41.2%
No insurance	3.5%
Uninsured under 19	0.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	14,618	95.5%
Spanish	172	1.2%
Other Indo-European	86	0.6%
Asian & Pacific Islander	8	0.1%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	15,009	98.0%
Born in same state	14,945	97.6%
Born in different state	12,984	84.8%
Foreign born	64	0.4%
Naturalized citizen	305	2.0%
Not a US citizen	214	70.2%

Ancestry

Ancestry	Count	%
French	1,706	11.1%
Italian	1,637	10.7%
Arab	494	3.2%
German	283	1.8%

Ancestry	Count	%
Irish	177	1.2%
English	147	1%
Polish	72	0.5%
Norwegian	27	0.2%

Technology access

Metric	% of households
Computer access	41.1%
Internet access	93.2%

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

Frequently asked questions about ZIP code 48059

What city is ZIP code 48059 in?

ZIP code 48059 is primarily assigned to Fort Gratiot, Michigan.

What county is ZIP code 48059 in?

ZIP code 48059 falls within Saint Clair County, Michigan.

Is ZIP code 48059 mostly owner-occupied?

83% of occupied units in ZIP code 48059 are owner-occupied, well above the national average.

Does ZIP code 48059 have a large retiree population?

40% of households in ZIP code 48059 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 48059?

The median home value in ZIP code 48059 is $192,700.

What is the population of ZIP code 48059?

ZIP code 48059 has an estimated population of 15,314 residents, with a density of 483 people per square mile.

What timezone is ZIP code 48059 in?

ZIP code 48059 observes the EST timezone.