Zip code 48178: South Lyon, Michigan

Q: What city is zip code 48178?

48178 is assigned to South Lyon, Michigan. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 48178 in?

48178 is mostly in Oakland County, but it extends into 2 other counties.

Q: What is the population of 48178?

About 37,789 people live in 48178, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 48178?

The median household income in 48178 is $131,558.

Q: What zip codes are near 48178?

The closest zip codes to 48178 are 48165, 48175, 48168, 48189, 48167.

Residential delivery areaOakland CountyEastern Time

Population

37,789

Median household income

$132K

U.S. $81K

Median home value

$411K

U.S. $333K

Median rent

$1,336/mo

U.S. $1,413

Median age

42.9

U.S. 38.9

Land area

48 sq mi

788 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 48178

48178 is a suburban zip code in South Lyon, Michigan (Oakland County), covering 48 sq mi of land. About 37,789 people live here, or 788 per square mile. The median resident is 42.9 years old, compared with 38.9 nationally.

The median household earns $131,558 a year, 63% above the national median of $80,734. 3.9% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $410,500, or 3.1 years of median household income (U.S.: 4.1 years), which makes homes relatively affordable for local earners. 91% of occupied homes are lived in by their owners, and renters pay a median of $1,336 a month.

54% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 31.5 minutes each way, and 20% of workers work from home. The most common jobs among working residents are in management; office and administrative support; and business and finance.

How 48178 compares

Sorted from highest to lowest national percentile

Homeownership rate91.2%
97th
StrengthU.S. 65.2% · MI 73.2%224th of 958 in MI
Median household income$131,558
90th
StrengthU.S. $80,734 · MI $72,87527th of 952 in MI
Median earnings per worker$74,555
90th
StrengthU.S. $49,666 · MI $47,17826th of 960 in MI
Per capita income$62,142
86th
StrengthU.S. $44,673 · MI $40,73549th of 962 in MI
Broadband access96%
85th
StrengthU.S. 91% · MI 90.5%69th of 958 in MI
Bachelor's degree or higher54.4%
84th
StrengthU.S. 35.7% · MI 32.4%64th of 961 in MI
Tech workers5.7%
84th
U.S. 3.8% · MI 3.1%59th of 961 in MI
Average commute31.5 min
81st
WeaknessU.S. 26.4 min · MI 24.2 min152nd of 941 in MI
Work from home20.1%
78th
U.S. 15.1% · MI 13.5%102nd of 961 in MI
Median age42.9
76th
U.S. 38.9 · MI 40.2513th of 962 in MI
Population37,789
64th
U.S. 334,922,499 · MI 10,077,76148th of 962 in MI
Median home value$410,500
64th
U.S. $332,700 · MI $231,60048th of 946 in MI
Residents under 1823.5%
63rd
U.S. 22% · MI 21.2%245th of 962 in MI
Residents 65 and older17.4%
56th
U.S. 17.2% · MI 18.6%674th of 962 in MI
Median gross rent$1,336
46th
U.S. $1,413 · MI $1,129103rd of 851 in MI
Healthcare workers9.1%
44th
U.S. 9.7% · MI 10.1%548th of 961 in MI
Foreign-born residents7.6%
41st
U.S. 14.1% · MI 7.2%134th of 962 in MI
Population density788/sq mi
39th
U.S. 95/sq mi · MI 178/sq mi232nd of 962 in MI
Income inequality (Gini)0.412
30th
U.S. 0.483 · MI 0.465516th of 958 in MI
Self-employed workers7.7%
28th
U.S. 10% · MI 8.6%645th of 961 in MI
Rent-burdened renters41.6%
20th
StrengthU.S. 51.1% · MI 50.4%556th of 931 in MI
Unemployment rate3.2%
19th
StrengthU.S. 5.2% · MI 5.7%701st of 961 in MI
Government workers10%
19th
U.S. 14.5% · MI 11.6%627th of 961 in MI
Veterans3.3%
18th
U.S. 6.2% · MI 5.8%896th of 962 in MI
Diversity index24
17th
U.S. 61.4 · MI 45.3361st of 962 in MI
Housing vacancy3.1%
12th
U.S. 10.1% · MI 11.8%858th of 958 in MI
Poverty rate3.9%
6th
StrengthU.S. 12.5% · MI 13.2%895th of 959 in MI
Uninsured rate1.5%
3rd
StrengthU.S. 8.4% · MI 4.9%888th of 961 in MI

Measure	48178	Oakland	MI	U.S.	National percentile	Rank in MI
Homeownership rateStrength	91.2%	72.7%	73.2%	65.2%	97th	224th of 958
Median household incomeStrength	$131,558	$97,760	$72,875	$80,734	90th	27th of 952
Median earnings per workerStrength	$74,555	$61,646	$47,178	$49,666	90th	26th of 960
Per capita incomeStrength	$62,142	$56,696	$40,735	$44,673	86th	49th of 962
Broadband accessStrength	96%	94.2%	90.5%	91%	85th	69th of 958
Bachelor's degree or higherStrength	54.4%	51%	32.4%	35.7%	84th	64th of 961
Tech workers	5.7%	5.5%	3.1%	3.8%	84th	59th of 961
Average commuteWeakness	31.5 min	25.8 min	24.2 min	26.4 min	81st	152nd of 941
Work from home	20.1%	20.2%	13.5%	15.1%	78th	102nd of 961
Median age	42.9	41.3	40.2	38.9	76th	513th of 962
Population	37,789	1,279,825	10,077,761	334,922,499	64th	48th of 962
Median home value	$410,500	$343,600	$231,600	$332,700	64th	48th of 946
Residents under 18	23.5%	20.3%	21.2%	22%	63rd	245th of 962
Residents 65 and older	17.4%	18.4%	18.6%	17.2%	56th	674th of 962
Median gross rent	$1,336	$1,376	$1,129	$1,413	46th	103rd of 851
Healthcare workers	9.1%	9.7%	10.1%	9.7%	44th	548th of 961
Foreign-born residents	7.6%	13.3%	7.2%	14.1%	41st	134th of 962
Population density	788/sq mi	1,476/sq mi	178/sq mi	95/sq mi	39th	232nd of 962
Income inequality (Gini)	0.412	0.467	0.465	0.483	30th	516th of 958
Self-employed workers	7.7%	9.4%	8.6%	10%	28th	645th of 961
Rent-burdened rentersStrength	41.6%	44.8%	50.4%	51.1%	20th	556th of 931
Unemployment rateStrength	3.2%	4.8%	5.7%	5.2%	19th	701st of 961
Government workers	10%	9.2%	11.6%	14.5%	19th	627th of 961
Veterans	3.3%	4.4%	5.8%	6.2%	18th	896th of 962
Diversity index	24	50.6	45.3	61.4	17th	361st of 962
Housing vacancy	3.1%	5.5%	11.8%	10.1%	12th	858th of 958
Poverty rateStrength	3.9%	7.7%	13.2%	12.5%	6th	895th of 959
Uninsured rateStrength	1.5%	3.8%	4.9%	8.4%	3rd	888th of 961

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Under 5

19%

5–17

18–24

25–34

12%

35–44

16%

45–54

14%

55–64

11%

65–74

75+

Median age

42.9

Under 18

23.5%

65 and over

17.4%

Race and ethnicity

White87%
Black2%
Hispanic3%
Asian4%
Native American0.0%
Pacific Islander0%
Other0.9%
Multiracial3%

Diversity index

U.S. 61.4

Foreign-born

7.6%

U.S. 14.1%

Born in state

76.5%

Language spoken at home (households)

English only

91%

Spanish

Other Indo-European

Asian / Pacific

Other

0.8%

Households

Households: 13,953
Average household size: 2.7
Family households: 75.5%
Married couples: 67.6%
Living alone: 20%
Veterans (of adults): 3.3%
Male / female: 50% / 50%

Income and poverty

Household income distribution

<$25k

$25–50k

$50–75k

12%

$75–100k

10%

$100–150k

18%

$150–200k

15%

$200k+

29%

Median household income

48178

$131,558

Oakland Co.

$97,760

Michigan

$72,875

United States

$80,734

Per capita income

$62,142

U.S. $44,673

Poverty rate

3.9%

U.S. 12.5%

Households earning $150K+

44.5%

U.S. 23%

Income inequality (Gini)

0.412

U.S. 0.483

Housing

Median home value

48178

$410,500

Oakland Co.

$343,600

Michigan

$231,600

United States

$332,700

Median gross rent

48178

$1,336

Oakland Co.

$1,376

Michigan

$1,129

United States

$1,413

Types of housing

Single-family

85%

2–4 units

5–19 units

20+ units

Mobile home

Boat, RV, van

0.1%

Housing units: 14,397
Owner-occupied: 91.2%
Vacant: 3.1%
Median year built: 1996
Median rooms: 7
Renters paying 30%+ of income: 41.6%
Renters paying 50%+ of income: 13%
Home value to income: 3.1× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

74%

Carpooled

Transit

Walked

0.7%

Bicycle

0.2%

Worked from home

20%

Other

Commute time (one way)

<10 min

10–19

16%

20–29

22%

30–44

33%

45–59

14%

60+

Average commute

31.5 min

U.S. 26.4 min

Unemployment

3.2%

U.S. 5.2%

In labor force

67.4%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management

17%

Office and admin

11%

Business and finance

10%

Sales

10%

Healthcare

Engineering and science

Construction and repair

Computer and math

Education

Transportation and moving

Cleaning and personal care

Production

Food service

Legal and social services

Police and fire

Arts, media and sports

Farming, fishing and forestry

0.1%

Industries

Manufacturing

23%

Health care and social assistance

14%

Professional and technical services

Education

Retail

Finance, insurance and real estate

Construction

Other services

Restaurants and hotels

Admin, support and management

Public administration

Transportation, warehousing and utilities

Arts and recreation

Wholesale

Information

Agriculture and mining

0.5%

Median earnings per worker

$74,555

U.S. $49,666

Self-employed

7.7%

U.S. 10%

Government workers

10%

U.S. 14.5%

Nonprofit workers

8.1%

U.S. 8.8%

Median earnings by type of work

Type of work	48178	U.S.
Management, business, science and arts	$101,008	$74,888
Service	$20,354	$26,804
Sales and office	$49,750	$40,476
Construction and maintenance	$68,571	$49,199
Production and transportation	$56,613	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

16%

Some college

20%

Associate's

Bachelor's

32%

Graduate

23%

High school graduate or higher: 97.8%
Bachelor's degree or higher: 54.4%
Graduate or professional degree: 22.7%
Households with broadband: 96%
Cable, fiber or DSL: 86.8%
No internet access: 2.9%
Without health insurance: 1.5%
Limited-English households: 0.5%

Geography

City (USPS): South Lyon
State: Michigan
County: Oakland County
Center point: 42.4438° N, 83.6569° W
Land area: 48 sq mi
Water area: 1.7 sq mi
Time zone: Eastern Time (UTC-5, UTC-4 in summer)
Zip type: Residential delivery area

48178 spans 3 counties

Oakland County37% of land
Washtenaw County34% of land
Livingston County29% of land

Cities and towns within this zip

South Lyon8% of zip
Whitmore Lake (unincorporated)2% of zip

Census places overlapping the zip's area. Mail may use a different city name than the municipality.

Zip codes near 48178

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
48165	New Hudson, MI	4.2 mi	9,566	$106,220	$389,000
48175	Salem, MI · PO box	4.8 mi	—	—	—
48168	Northville, MI	6.5 mi	25,038	$187,589	$582,600
48189	Whitmore Lake, MI	6.8 mi	13,893	$87,145	$313,400
48167	Northville, MI	6.8 mi	24,713	$124,630	$452,800
48374	Novi, MI	7.3 mi	17,672	$182,827	$577,700
48139	Hamburg, MI	7.7 mi	96	$47,188	—
48116	Brighton, MI	7.7 mi	27,289	$106,763	$385,900
48393	Wixom, MI	7.8 mi	20,145	$65,962	$335,000
48170	Plymouth, MI	8.2 mi	40,076	$114,278	$417,600
48105	Ann Arbor, MI	8.3 mi	37,048	$94,774	$503,100
48381	Milford, MI	8.6 mi	14,094	$105,213	$405,200

Zip codes like 48178 elsewhere

Matched on income, home values, age, density, education, housing and commuting

Questions about 48178

What city is zip code 48178?

48178 is assigned to South Lyon, Michigan. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 48178 in?

48178 is mostly in Oakland County, but it extends into 2 other counties.

What is the population of 48178?

About 37,789 people live in 48178, according to the Census Bureau's American Community Survey.

What time zone is 48178 in?

48178 is in Eastern Time.

What is the median household income in 48178?

The median household income in 48178 is $131,558.

What zip codes are near 48178?

The closest zip codes to 48178 are 48165, 48175, 48168, 48189, 48167.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 48178, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.