48170 ZIP Code — Plymouth, MI

Wayne County, Michigan

ZIP code 48170 is located in Plymouth, Michigan, within Wayne County. It covers approximately 34.48 square miles and serves a population of 40,675 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 734/248.

About ZIP code 48170

The housing stock consists of a mix of housing types. Most homes were built in the 1970s, giving the area an established character. Median home value is $394,300. Owner-occupancy is high at 77%, well above the national average.

The gap between median ($104,555) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 4% is below the national average. 34% 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 24 minutes is near the national average.

Educational attainment is high — 59% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 48170 reflects a community defined by a highly educated population, high homeownership, and a significant Social Security-dependent population.

40,675

population

34.48

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

48170 ZIP code map

Cities in ZIP code 48170

Below are the cities the US Postal Service accepts for ZIP code 48170. Using any city not on this list may result in mail delivery delays.

City	Status
Plymouth	Preferred

Nearby ZIP codes

48168 Northville (2.9 mi) 48167 Northville (5.4 mi) 48198 Ypsilanti (7.2 mi) 48374 Novi (7.3 mi) 48178 South Lyon (7.8 mi) 48375 Novi (7.8 mi) 48150 Livonia (8.4 mi) 48154 Livonia (8.7 mi) 48152 Livonia (9.3 mi) 48105 Ann Arbor (9.5 mi) 48335 Farmington (9.6 mi) 48184 Wayne (10.1 mi)

Demographics updated 05/2026

Population
Total population	40,675
Population density	1,180 / sq mi
State FIPS	26
County FIPS	163

Geography
Land area	34.48 sq mi
Water area	0.22 sq mi
Latitude	42.3635
Longitude	-83.5366
Timezone	Eastern (ET)
Area code	734/248

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	27.1%	50.3%	42.6%
$50k – $100k	26.9%	27.8%	31.1%
$100k – $200k	28.7%	17.1%	20.6%
Over $200k	17.3%	4.8%	5.7%

Demographics & statistics

40,675

Population

1,180

People per sq mi

46.6

Median age

$104,555

Median household income

$61,649

Per capita income

$394,300

Median home value

$1,067

Median monthly rent

77.4%

Home ownership

4.1%

Poverty rate

3.6%

Unemployment

14,303

Housing units

58.6%

Bachelor's or higher

Age distribution

Male Female

1,143

Under 5

1,141

1,018

5–9

1,016

1,071

10–14

1,069

1,062

15–19

1,060

741

20–24

740

2,346

25–34

2,344

2,440

35–44

2,438

2,587

45–54

2,585

1,637

55–59

1,636

1,950

60–64

1,949

2,415

65–74

2,413

1,394

75–84

1,393

544

85+

543

← Male

Female →

Age summary

Group	Count	%
Under 18	8,050	19.8%
18 and over	32,625	80.2%
65 and over	8,702	21.4%
Median age	46.6 years

Race & ethnicity

White 86.9%

Two or more races 4.4%

Asian 3.3%

Hispanic or Latino 2.6%

Black or African American 2%

Other race 0.7%

American Indian / Alaska Native 0.1%

Group	Count	%
White	36,274	86.9%
Two or more races	1,832	4.4%
Asian	1,393	3.3%
Hispanic or Latino	1,071	2.6%
Black or African American	820	2%
Other race	304	0.7%
American Indian / Alaska Native	52	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	27.1%	50.3%	42.6%
$50k – $100k	26.9%	27.8%	31.1%
$100k – $200k	28.7%	17.1%	20.6%
Over $200k	17.3%	4.8%	5.7%

Under $10k 2.9%

$10k–$15k 2.1%

$15k–$25k 3.5%

$25k–$35k 5.2%

$35k–$50k 9.6%

$50k–$75k 13.8%

$75k–$100k 10.7%

$100k–$150k 19.5%

$150k–$200k 10.4%

$200k+ 22.2%

Range	% of households
Under $10k	2.9%
$10k–$15k	2.1%
$15k–$25k	3.5%
$25k–$35k	5.2%
$35k–$50k	9.6%
$50k–$75k	13.8%
$75k–$100k	10.7%
$100k–$150k	19.5%
$150k–$200k	10.4%
$200k+	22.2%
Median income	$104,555

Housing

Home values

Under $50k 4.5%

$50k–$100k 2.4%

$100k–$150k 2.4%

$150k–$200k 6.4%

$200k–$300k 18.3%

$300k–$500k 36.0%

$500k–$1M 28.2%

$1M+ 1.8%

Housing overview

Metric	Value
Median home value	$394,300
Median rent / month	$1,067
Owner occupied	77.4%
Renter occupied	22.6%
Vacant	3.9%
Single-family detached	66.9%
Large apartment buildings	4.4%
Mobile homes	4.0%
Median rooms	6.4
Avg household size (owned)	2.48

Year built

Era	%
2020 or later	0.6%
2010–2019	4.7%
2000–2009	7.4%
1990–1999	14.9%
1980–1989	11.6%
1970–1979	20.0%
1960–1969	16.2%
1950–1959	8.6%
1940–1949	4.8%
1939 or earlier	11.2%

Bedrooms

Size	% of units
No bedroom (studio)	1.2%
1 bedroom	10.1%
2 bedrooms	21.9%
3 bedrooms	35.2%
4 bedrooms	26.8%
5+ bedrooms	4.9%

Vehicles per household

Vehicles	% of households
No vehicle	4.8%
1 vehicle	32.8%
2 vehicles	41.0%
3 or more	21.4%

Heating fuel

Fuel type	%
Utility gas	90.4%
Electricity	7.4%
Propane / LP gas	1.1%
Fuel oil	0.2%
Wood	0.3%
No fuel used	0.5%

Households & families

Household type	Count	%
Married-couple family	9,513	54.1%
Cohabiting couple	673	3.8%
Male householder, no spouse	3,166	18.0%
Female householder, no spouse	4,220	24.0%
Households with children under 18	4,350	24.8%
Households with seniors (65+)	6,025	34.3%
Average household size	2.30

Marital status

Status	Male	Female
Never married	28.6%	22.4%
Married	59.5%	56.0%
Separated	0.2%	0.3%
Widowed	2.1%	10.8%
Divorced	9.6%	10.5%

Education

Less than 9th grade 0.9%

Some HS, no diploma 2.3%

HS graduate 15.6%

Some college, no degree 15.9%

Associate's degree 6.7%

Bachelor's degree 34.0%

Graduate / professional 24.6%

Metric	%
HS diploma or higher	96.8%
Bachelor's or higher	58.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	579	7.2%
Kindergarten	448	5.6%
Elementary school	3,275	40.7%
High school	1,953	24.2%
College / grad school	1,799	22.3%

Employment

Industry of employment

Education & healthcare 25.0%

Manufacturing 20.0%

Professional & management 12.7%

Retail trade 8.3%

Arts, food & hospitality 8.3%

Finance & real estate 6.0%

Construction 4.4%

Transportation & utilities 4.2%

Other services 3.2%

Wholesale trade 3.0%

Public administration 2.5%

Information 1.8%

Agriculture & mining 0.6%

Occupation

Category	%
Management, business & arts	59.1%
Service	9.9%
Sales & office	18.4%
Natural resources & construction	5.8%
Production & transportation	6.8%

Employment type

Type	%
Private sector	83.4%
Government	10.8%
Self-employed	5.7%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	73.4%
Carpool	3.5%
Public transit	0.3%
Walk	1.7%
Work from home	19.6%
Other means	1.5%
Avg commute (minutes)	23.7

Poverty

All people 4.1%

Under 18 years 2.3%

18 and over 4.5%

Married-couple families 1.3%

Female-led households 5.5%

Income support

Source	% of households
Social Security	34.1%
Retirement income	31.1%
Supplemental Security	1.6%
Cash public assistance	1.2%
Food stamps / SNAP	2.3%

Health indicators

Condition	%
Obesity	29.1%
High blood pressure	28.7%
High cholesterol	34.7%
Diabetes	8.3%
Heart disease	5.6%
Stroke	2.4%
Asthma	10.4%
Arthritis	27.5%
Kidney disease	2.5%
Pulmonary disease	5.4%
Cancer	7.4%

Behavior / access	%
Smoking	12.9%
Binge drinking	19.4%
No physical activity	15.0%
Less than 7 hrs sleep	30.3%
Depression	18.9%
Fair or poor health	9.6%
Poor mental health	14.0%
Poor physical health	8.1%
No health insurance	6.3%
Visited doctor (checkup)	74.3%
Visited dentist	78.2%
Cholesterol screening	94.1%
Teeth loss	7.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,712	5.2%

Disability	%
Any disability	10.8%
Under 18	3.3%
18–64 years	7.6%
65 and over	26.8%

Health insurance coverage

Type	%
Private insurance	88.7%
Public insurance	27.3%
No insurance	2.5%
Uninsured under 19	1.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	38,391	94.4%
Spanish	700	1.8%
Other Indo-European	66	0.2%
Asian & Pacific Islander	303	0.8%
Other languages	173	0.5%

Place of birth & citizenship

Origin	Count	%
Native born (US)	37,617	92.5%
Born in same state	37,259	91.6%
Born in different state	29,898	73.5%
Foreign born	358	0.9%
Naturalized citizen	3,058	7.5%
Not a US citizen	1,827	59.7%

Ancestry

Ancestry	Count	%
Italian	6,542	16.1%
French	6,027	14.8%
Arab	1,079	2.7%
Irish	661	1.6%
English	619	1.5%

Ancestry	Count	%
German	518	1.3%
Norwegian	329	0.8%
Polish	142	0.3%
Dutch	132	0.3%

Technology access

Metric	% of households
Computer access	43.2%
Internet access	94.9%

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

Frequently asked questions about ZIP code 48170

What city is ZIP code 48170 in?

ZIP code 48170 is primarily assigned to Plymouth, Michigan.

What county is ZIP code 48170 in?

ZIP code 48170 falls within Wayne County, Michigan.

How educated is the population of ZIP code 48170?

59% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What is the typical home value in ZIP code 48170?

The median home value in ZIP code 48170 is $394,300.

What is the median household income in ZIP code 48170?

The median household income in ZIP code 48170 is $104,555, above the national median of ~$75,000.

What is the population of ZIP code 48170?

ZIP code 48170 has an estimated population of 40,675 residents, with a density of 1,180 people per square mile.

What timezone is ZIP code 48170 in?

ZIP code 48170 observes the EST timezone.