Algonac ZIP Code List — Saint Clair County, MI

There is one unique ZIP code in Algonac, Michigan and it is 48001. Area code: 810.

ZIP codes

19.03

sq mi land

5.08

sq mi water

810

area code

Algonac, MI ZIP code map

About Algonac, MI

Algonac, Michigan, is a charming city located in Saint Clair County. Known for its picturesque waterfront along the St. Clair River, Algonac offers residents and visitors alike a unique blend of recreational activities and small-town charm. This vibrant community caters to outdoor enthusiasts and those looking to enjoy a peaceful lifestyle.

Location & geography

Algonac is situated in the southeastern part of Michigan, approximately 25 miles northeast of Detroit. It shares its borders with several nearby cities, including Marine City to the south, about 6 miles away, and Port Huron to the north, approximately 12 miles distant. The city's landscape features a total land area of 38.06 square miles, complemented by a water area of 10.16 square miles, highlighting its intimate connection to the surrounding waterways.

Community & economy

The character of Algonac is defined by its friendly residents and a strong sense of community. Local industries primarily revolve around manufacturing and tourism, with many businesses supporting the recreational opportunities available in the area. Daily life in Algonac is characterized by a slow-paced atmosphere, where residents enjoy waterfront activities such as fishing, boating, and attending community events.

Transportation

Algonac is easily accessible through key roadways, including Highway M-29, which provides a direct route to nearby cities and attractions. The nearest airport is the Plympton Airport, located approximately 5 miles from the city. Public transportation options are limited, making personal transportation the primary means for residents and visitors.

History

Algonac was founded in the 19th century and became known as a vibrant shipbuilding center due to its strategic location on the river. Over the years, the city has witnessed significant industrial growth and continues to celebrate its maritime heritage. Notable events in Algonac's history include the establishment of local festivals that highlight the city’s legacy and community spirit.

Did you know?

One surprising fact about Algonac is that it is home to the Algonac-Clay Historical Society, which preserves the city's rich maritime history. Additionally, the city plays host to the annual Algonac Art Fair, attracting artists and visitors from all over the region.

ZIP codes for Algonac, MI (1)

ZIP code	City	County	Map
48001	Algonac	Saint Clair	View map

Demographics & statistics

11,691

Population

51.3

Median age

$63,272

Median household income

$37,042

Per capita income

$236,400

Median home value

$874

Median monthly rent

84.4%

Home ownership

13.5%

Poverty rate

5.2%

Unemployment

5,037

Housing units

17.6%

Bachelor's or higher

Age distribution

Male Female

314

Under 5

325

347

5–9

359

236

10–14

245

209

15–19

217

298

20–24

308

655

25–34

678

472

35–44

489

709

45–54

735

535

55–59

555

620

60–64

643

830

65–74

861

432

75–84

448

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	2,067	17.7%
18 and over	9,624	82.3%
65 and over	2,742	23.5%
Median age	51.3 years

Race & ethnicity

White 92.5%

Two or more races 3.5%

Hispanic or Latino 1.7%

Asian 1.3%

Other race 0.5%

Black or African American 0.3%

American Indian / Alaska Native 0.1%

Group	Count	%
White	11,005	92.5%
Two or more races	417	3.5%
Hispanic or Latino	208	1.7%
Asian	155	1.3%
Other race	65	0.5%
Black or African American	39	0.3%
American Indian / Alaska Native	10	0.1%

Household income

Under $10k 5.5%

$10k–$15k 3.2%

$15k–$25k 6.7%

$25k–$35k 7.3%

$35k–$50k 14.3%

$50k–$75k 20.8%

$75k–$100k 14.0%

$100k–$150k 14.6%

$150k–$200k 8.2%

$200k+ 5.3%

Range	% of households
Under $10k	5.5%
$10k–$15k	3.2%
$15k–$25k	6.7%
$25k–$35k	7.3%
$35k–$50k	14.3%
$50k–$75k	20.8%
$75k–$100k	14.0%
$100k–$150k	14.6%
$150k–$200k	8.2%
$200k+	5.3%
Median income	$63,272

Housing

Home values

Under $50k 6.2%

$50k–$100k 6.2%

$100k–$150k 15.1%

$150k–$200k 15.7%

$200k–$300k 21.3%

$300k–$500k 27.3%

$500k–$1M 7.7%

$1M+ 0.4%

Housing overview

Metric	Value
Median home value	$236,400
Median rent / month	$874
Owner occupied	84.4%
Renter occupied	15.6%
Vacant	11.5%
Single-family detached	85.8%
Large apartment buildings	1.2%
Mobile homes	5.3%
Median rooms	5.9
Avg household size (owned)	2.24

Year built

Era	%
2020 or later	0.2%
2010–2019	2.8%
2000–2009	7.9%
1990–1999	13.6%
1980–1989	11.3%
1970–1979	20.2%
1960–1969	11.7%
1950–1959	13.4%
1940–1949	5.7%
1939 or earlier	13.2%

Bedrooms

Size	% of units
No bedroom (studio)	0.6%
1 bedroom	7.1%
2 bedrooms	23.7%
3 bedrooms	51.9%
4 bedrooms	14.8%
5+ bedrooms	2.0%

Vehicles per household

Vehicles	% of households
No vehicle	2.8%
1 vehicle	29.1%
2 vehicles	44.2%
3 or more	23.9%

Heating fuel

Fuel type	%
Utility gas	87.7%
Electricity	7.8%
Propane / LP gas	2.2%
Fuel oil	0.1%
Wood	0.9%
Solar	0.3%
No fuel used	0.3%

Households & families

Household type	Count	%
Married-couple family	2,426	46.9%
Cohabiting couple	448	8.7%
Male householder, no spouse	1,261	24.4%
Female householder, no spouse	1,035	20.0%
Households with children under 18	1,014	19.6%
Households with seniors (65+)	1,959	37.9%
Average household size	2.25

Marital status

Status	Male	Female
Never married	30.6%	22.7%
Married	49.3%	53.6%
Separated	3.3%	1.7%
Widowed	4.1%	10.0%
Divorced	12.6%	12.0%

Education

Less than 9th grade 0.6%

Some HS, no diploma 6.4%

HS graduate 37.9%

Some college, no degree 25.2%

Associate's degree 12.3%

Bachelor's degree 11.4%

Graduate / professional 6.3%

Metric	%
HS diploma or higher	93.0%
Bachelor's or higher	17.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	174	8.6%
Kindergarten	114	5.7%
Elementary school	877	43.5%
High school	380	18.9%
College / grad school	469	23.3%

Employment

Industry of employment

Education & healthcare 20.6%

Manufacturing 17.1%

Retail trade 14.6%

Construction 12.9%

Arts, food & hospitality 8.4%

Professional & management 7.1%

Other services 7.0%

Public administration 4.7%

Transportation & utilities 3.9%

Finance & real estate 2.1%

Wholesale trade 0.6%

Information 0.5%

Agriculture & mining 0.3%

Occupation

Category	%
Management, business & arts	31.4%
Service	20.9%
Sales & office	17.6%
Natural resources & construction	15.6%
Production & transportation	14.5%

Employment type

Type	%
Private sector	84.4%
Government	9.6%
Self-employed	6.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	85.0%
Carpool	6.3%
Public transit	1.5%
Walk	0.6%
Other means	1.2%
Avg commute (minutes)	37.1

Poverty

All people 13.5%

Under 18 years 22.1%

18 and over 11.7%

Married-couple families 5.2%

Female-led households 33.7%

Income support

Source	% of households
Social Security	42.6%
Retirement income	35.8%
Supplemental Security	4.3%
Cash public assistance	2.2%
Food stamps / SNAP	12.1%

Health indicators

Condition	%
High blood pressure	34.8%
High cholesterol	37.2%
Heart disease	7.3%
Stroke	3.3%
Asthma	11.0%
Arthritis	31.9%
Kidney disease	3.0%
Pulmonary disease	8.3%
Cancer	7.5%

Behavior / access	%
Binge drinking	19.2%
No physical activity	20.3%
Less than 7 hrs sleep	32.1%
Fair or poor health	14.4%
Poor mental health	16.0%
Poor physical health	11.3%
No health insurance	9.0%
Visited doctor (checkup)	74.3%
Visited dentist	71.6%
Cholesterol screening	91.8%
Teeth loss	11.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	743	7.7%

Disability	%
Any disability	15.9%
Under 18	9.4%
18–64 years	13.2%
65 and over	27.6%

Health insurance coverage

Type	%
Private insurance	68.3%
Public insurance	47.1%
Uninsured under 19	1.3%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	11,052	94.5%
Spanish	61	0.6%
Other Indo-European	17	0.2%
Asian & Pacific Islander	7	0.1%
Other languages	35	0.3%

Place of birth & citizenship

Origin	Count	%
Native born (US)	11,404	97.5%
Born in same state	11,338	97.0%
Born in different state	10,223	87.4%
Foreign born	66	0.6%
Naturalized citizen	287	2.5%
Not a US citizen	187	65.2%

Ancestry

Ancestry	Count	%
Italian	1,491	12.8%
French	964	8.2%
Arab	646	5.5%
German	226	1.9%

Ancestry	Count	%
English	154	1.3%
Polish	55	0.5%
Irish	43	0.4%
Norwegian	9	0.1%

Technology access

Metric	% of households
Computer access	44.2%
Internet access	95.4%

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

Frequently asked questions

What is the ZIP code for Algonac, MI?

Algonac, MI has one ZIP code: 48001.

What is the main ZIP code for Algonac, MI?

The primary ZIP code for Algonac, MI is 48001. The city uses area code 810 for phone service.

What county is Algonac, MI in?

Algonac is located in Saint Clair County, Michigan.

How many ZIP codes are in Algonac, MI?

Algonac, MI has 1 ZIP code.

What ZIP code covers the downtown Algonac waterfront area along the St. Clair River?

The downtown Algonac waterfront area, including the riverfront parks and marinas along the St. Clair River, is located in ZIP code 48001.

What is the ZIP code for the Algonac State Park area in Saint Clair County?

Algonac State Park and the surrounding park facilities in Algonac are served by ZIP code 48001.