South Lyon ZIP Code List — Oakland County, MI

There is one unique ZIP code in South Lyon, Michigan and it is 48178. Area code: 248.

ZIP codes

47.96

sq mi land

1.74

sq mi water

248

area code

South Lyon, MI ZIP code map

About South Lyon, MI

South Lyon, Michigan is a charming city located in Oakland County. With a rich blend of history and modern amenities, this city is known for its welcoming community and vibrant local culture. Residents and visitors alike enjoy the picturesque surroundings and small-town atmosphere that South Lyon offers.

Location & geography

South Lyon is situated approximately 30 miles northwest of Detroit, providing easy access to the larger metropolitan area. It is bordered by several cities, including Novi to the east, and Brighton to the west, with distances of around 10 miles to each. The city encompasses a land area of 47.96 square miles, along with a water area of 1.74 square miles, featuring a mix of natural landscapes and urban developments.

Community & economy

The character of South Lyon is defined by its friendly residents and active community life. Industries in the area include retail, manufacturing, and healthcare, which contribute to the local economy and job market. Daily life in South Lyon often includes community events, outdoor activities, and a strong emphasis on family-friendly environments.

Transportation

South Lyon is served by several major highways, including Interstate 96, which connects residents to nearby cities and attractions. The closest named airport is the Detroit Metropolitan Wayne County Airport, located about 30 miles to the southeast, providing convenient air travel options. Local transit services enhance accessibility, allowing for ease of movement throughout the region.

History

South Lyon was founded in the mid-1800s and has grown from a small settlement into a thriving community. Historically, the city was known for its agriculture and as a hub for the railroad industry, which played a significant role in its development. Key events, such as the establishment of its historic downtown area, have contributed to its unique charm and character today.

Did you know?

One surprising fact about South Lyon is that it has been home to various local festivals, including the annual South Lyon Sweetcorn Festival. Additionally, the city boasts picturesque parks and recreational areas that provide residents with ample opportunities for outdoor activities.

ZIP codes for South Lyon, MI (1)

ZIP code	City	County	Map
48178	South Lyon	Oakland	View map

Demographics & statistics

36,842

Population

43.4

Median age

$127,052

Median household income

$58,927

Per capita income

$362,900

Median home value

$1,169

Median monthly rent

91.9%

Home ownership

3.4%

Poverty rate

3.4%

Unemployment

12,919

Housing units

51.4%

Bachelor's or higher

Age distribution

Male Female

934

Under 5

927

1,174

5–9

1,166

1,369

10–14

1,360

1,364

15–19

1,354

963

20–24

957

1,586

25–34

1,575

2,271

35–44

2,256

2,970

45–54

2,949

1,502

55–59

1,492

1,329

60–64

1,320

2,004

65–74

1,991

698

75–84

693

320

85+

318

← Male

Female →

Age summary

Group	Count	%
Under 18	8,615	23.4%
18 and over	28,227	76.6%
65 and over	6,024	16.4%
Median age	43.4 years

Race & ethnicity

White 91.4%

Two or more races 3.1%

Asian 2.5%

Hispanic or Latino 1.5%

Other race 0.7%

Black or African American 0.7%

Group	Count	%
White	34,177	91.4%
Two or more races	1,174	3.1%
Asian	930	2.5%
Hispanic or Latino	564	1.5%
Other race	277	0.7%
Black or African American	271	0.7%

Household income

Under $10k 2.6%

$10k–$15k 1.4%

$15k–$25k 2.5%

$25k–$35k 3.0%

$35k–$50k 6.9%

$50k–$75k 12.3%

$75k–$100k 11.8%

$100k–$150k 16.4%

$150k–$200k 15.0%

$200k+ 28.0%

Range	% of households
Under $10k	2.6%
$10k–$15k	1.4%
$15k–$25k	2.5%
$25k–$35k	3.0%
$35k–$50k	6.9%
$50k–$75k	12.3%
$75k–$100k	11.8%
$100k–$150k	16.4%
$150k–$200k	15.0%
$200k+	28.0%
Median income	$127,052

Housing

Home values

Under $50k 3.5%

$50k–$100k 5.4%

$100k–$150k 6.2%

$150k–$200k 6.1%

$200k–$300k 17.0%

$300k–$500k 38.3%

$500k–$1M 22.0%

$1M+ 1.4%

Housing overview

Metric	Value
Median home value	$362,900
Median rent / month	$1,169
Owner occupied	91.9%
Renter occupied	8.1%
Vacant	2.9%
Single-family detached	75.9%
Large apartment buildings	1.0%
Mobile homes	3.7%
Median rooms	7.1
Avg household size (owned)	2.77

Year built

Era	%
2020 or later	0.8%
2010–2019	16.0%
2000–2009	19.2%
1990–1999	25.7%
1980–1989	9.6%
1970–1979	12.9%
1960–1969	6.9%
1950–1959	4.6%
1940–1949	1.2%
1939 or earlier	3.2%

Bedrooms

Size	% of units
No bedroom (studio)	0.3%
1 bedroom	5.1%
2 bedrooms	17.3%
3 bedrooms	39.9%
4 bedrooms	31.9%
5+ bedrooms	5.5%

Vehicles per household

Vehicles	% of households
No vehicle	2.5%
1 vehicle	22.2%
2 vehicles	46.1%
3 or more	29.1%

Heating fuel

Fuel type	%
Utility gas	86.8%
Electricity	8.3%
Propane / LP gas	2.3%
Fuel oil	0.6%
Wood	0.6%
No fuel used	0.6%

Households & families

Household type	Count	%
Married-couple family	9,296	68.3%
Cohabiting couple	495	3.6%
Male householder, no spouse	1,546	11.4%
Female householder, no spouse	2,282	16.8%
Households with children under 18	4,573	33.6%
Households with seniors (65+)	4,029	29.6%
Average household size	2.70

Marital status

Status	Male	Female
Never married	25.2%	22.9%
Married	65.4%	62.1%
Separated	0.5%	0.2%
Widowed	2.4%	6.6%
Divorced	6.5%	8.2%

Education

Less than 9th grade 0.6%

Some HS, no diploma 1.5%

HS graduate 17.5%

Some college, no degree 21.0%

Associate's degree 8.1%

Bachelor's degree 30.1%

Graduate / professional 21.2%

Metric	%
HS diploma or higher	97.9%
Bachelor's or higher	51.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	677	7.1%
Kindergarten	524	5.5%
Elementary school	4,042	42.1%
High school	2,295	23.9%
College / grad school	2,062	21.5%

Employment

Industry of employment

Manufacturing 22.6%

Education & healthcare 20.9%

Professional & management 11.5%

Retail trade 7.5%

Finance & real estate 7.3%

Arts, food & hospitality 7.3%

Construction 6.6%

Other services 4.3%

Transportation & utilities 3.9%

Public administration 3.5%

Wholesale trade 2.7%

Information 1.4%

Agriculture & mining 0.5%

Occupation

Category	%
Management, business & arts	54.4%
Service	11.2%
Sales & office	20.7%
Natural resources & construction	5.7%
Production & transportation	7.9%

Employment type

Type	%
Private sector	85.9%
Government	9.6%
Self-employed	4.3%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	79.0%
Carpool	5.2%
Public transit	0.1%
Walk	0.5%
Other means	1.2%
Avg commute (minutes)	31.5

Poverty

All people 3.4%

Under 18 years 1.6%

18 and over 4.0%

Married-couple families 1.1%

Female-led households 8.2%

Income support

Source	% of households
Social Security	30.6%
Retirement income	26.9%
Supplemental Security	3.2%
Cash public assistance	0.8%
Food stamps / SNAP	2.6%

Health indicators

Condition	%
High blood pressure	29.7%
High cholesterol	33.0%
Heart disease	5.4%
Stroke	2.4%
Asthma	10.2%
Arthritis	25.9%
Kidney disease	2.5%
Pulmonary disease	5.8%
Cancer	7.0%

Behavior / access	%
Binge drinking	19.1%
No physical activity	16.3%
Less than 7 hrs sleep	31.7%
Fair or poor health	10.6%
Poor mental health	14.4%
Poor physical health	8.6%
No health insurance	7.1%
Visited doctor (checkup)	73.3%
Visited dentist	76.3%
Cholesterol screening	93.4%
Teeth loss	8.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,301	4.6%

Disability	%
Any disability	9.3%
Under 18	2.7%
18–64 years	7.4%
65 and over	25.8%

Health insurance coverage

Type	%
Private insurance	90.4%
Public insurance	23.0%
Uninsured under 19	1.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	34,981	94.9%
Spanish	642	1.8%
Other Indo-European	120	0.3%
Asian & Pacific Islander	274	0.8%
Other languages	248	0.7%

Place of birth & citizenship

Origin	Count	%
Native born (US)	34,737	94.3%
Born in same state	34,522	93.7%
Born in different state	29,314	79.6%
Foreign born	215	0.6%
Naturalized citizen	2,105	5.7%
Not a US citizen	1,040	49.4%

Ancestry

Ancestry	Count	%
French	5,642	15.3%
Italian	4,873	13.2%
Arab	1,410	3.8%
German	629	1.7%
Irish	627	1.7%

Ancestry	Count	%
English	608	1.7%
Polish	282	0.8%
Norwegian	191	0.5%
Dutch	64	0.2%

Technology access

Metric	% of households
Computer access	37.0%
Internet access	98.2%

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

Frequently asked questions

What is the ZIP code for South Lyon, MI?

South Lyon, MI has one ZIP code: 48178.

What is the main ZIP code for South Lyon, MI?

The primary ZIP code for South Lyon, MI is 48178. The city uses area code 248 for phone service.

What county is South Lyon, MI in?

South Lyon is located in Oakland County, Michigan.

How many ZIP codes are in South Lyon, MI?

South Lyon, MI has 1 ZIP code.

What ZIP code serves South Lyon's downtown business district along Lafayette Street?

The downtown South Lyon area, including the commercial corridor along Lafayette Street, is served by ZIP code 48178.

What is the ZIP code for South Lyon High School and the surrounding school district area?

South Lyon High School and the South Lyon Community Schools district are located in ZIP code 48178, which covers the entire city.