48118 ZIP Code — Chelsea, MI

Washtenaw County, Michigan

ZIP code 48118 is located in Chelsea, Michigan, within Washtenaw County. It covers approximately 86.25 square miles and serves a population of 13,001 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 734.

About ZIP code 48118

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $343,300. Owner-occupancy is high at 80%, well above the national average.

The gap between median ($89,125) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 3% is below the national average. 43% 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 28 minutes is near the national average.

Educational attainment is high — 50% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 48118 reflects a community defined by high homeownership and a significant Social Security-dependent population.

13,001

population

86.25

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

48118 ZIP code map

Cities in ZIP code 48118

Below are the cities the US Postal Service accepts for ZIP code 48118. Using any city not on this list may result in mail delivery delays.

City	Status
Chelsea	Acceptable
Chelsea	Preferred

Nearby ZIP codes

48130 Dexter (6.5 mi) 49240 Grass Lake (8.7 mi) 48103 Ann Arbor (9.4 mi) 48137 Gregory (10.4 mi) 48169 Pinckney (10.6 mi) 48158 Manchester (10.8 mi) 49259 Munith (12 mi) 48189 Whitmore Lake (13.3 mi) 49285 Stockbridge (14.4 mi) 48105 Ann Arbor (15.9 mi) 48109 Ann Arbor (15.9 mi) 48176 Saline (16 mi)

Demographics updated 06/2026

Population
Total population	13,001
Population density	151 / sq mi
State FIPS	26
County FIPS	161

Geography
Land area	86.25 sq mi
Water area	4.19 sq mi
Latitude	42.3175
Longitude	-84.0247
Timezone	Eastern (ET)
Area code	734

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	30.0%	34.6%	42.6%
$50k – $100k	28.8%	28.3%	31.1%
$100k – $200k	31.3%	25.3%	20.6%
Over $200k	9.9%	11.7%	5.7%

Demographics & statistics

13,001

Population

151

People per sq mi

49.1

Median age

$89,125

Median household income

$54,661

Per capita income

$343,300

Median home value

$1,586

Median monthly rent

79.8%

Home ownership

2.8%

Poverty rate

1.4%

Unemployment

4,689

Housing units

49.7%

Bachelor's or higher

Age distribution

Male Female

297

Under 5

294

318

5–9

315

357

10–14

354

446

15–19

443

221

20–24

219

554

25–34

550

742

35–44

737

833

45–54

826

447

55–59

443

566

60–64

561

840

65–74

834

661

75–84

655

245

85+

243

← Male

Female →

Age summary

Group	Count	%
Under 18	2,508	19.3%
18 and over	10,493	80.7%
65 and over	3,478	26.8%
Median age	49.1 years

Race & ethnicity

White 93.5%

Two or more races 3.1%

Hispanic or Latino 1.8%

Black or African American 0.7%

Asian 0.6%

Other race 0.3%

American Indian / Alaska Native 0.1%

Group	Count	%
White	12,370	93.5%
Two or more races	404	3.1%
Hispanic or Latino	235	1.8%
Black or African American	89	0.7%
Asian	77	0.6%
Other race	44	0.3%
American Indian / Alaska Native	17	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	30.0%	34.6%	42.6%
$50k – $100k	28.8%	28.3%	31.1%
$100k – $200k	31.3%	25.3%	20.6%
Over $200k	9.9%	11.7%	5.7%

Under $10k 2.0%

$10k–$15k 1.1%

$15k–$25k 3.4%

$25k–$35k 4.7%

$35k–$50k 11.8%

$50k–$75k 20.0%

$75k–$100k 11.2%

$100k–$150k 18.1%

$150k–$200k 12.1%

$200k+ 15.7%

Range	% of households
Under $10k	2.0%
$10k–$15k	1.1%
$15k–$25k	3.4%
$25k–$35k	4.7%
$35k–$50k	11.8%
$50k–$75k	20.0%
$75k–$100k	11.2%
$100k–$150k	18.1%
$150k–$200k	12.1%
$200k+	15.7%
Median income	$89,125

Housing

Home values

Under $50k 1.2%

$50k–$100k 1.8%

$100k–$150k 4.6%

$150k–$200k 5.6%

$200k–$300k 23.5%

$300k–$500k 48.5%

$500k–$1M 12.3%

$1M+ 2.4%

Housing overview

Metric	Value
Median home value	$343,300
Median rent / month	$1,586
Owner occupied	79.8%
Renter occupied	20.2%
Vacant	4.3%
Single-family detached	78.9%
Large apartment buildings	5.2%
Mobile homes	3.2%
Median rooms	6.9
Avg household size (owned)	2.43

Year built

Era	%
2020 or later	0.2%
2010–2019	5.1%
2000–2009	14.7%
1990–1999	18.7%
1980–1989	10.2%
1970–1979	13.7%
1960–1969	5.0%
1950–1959	6.5%
1940–1949	3.6%
1939 or earlier	22.4%

Bedrooms

Size	% of units
No bedroom (studio)	1.0%
1 bedroom	5.7%
2 bedrooms	19.8%
3 bedrooms	42.6%
4 bedrooms	25.4%
5+ bedrooms	5.4%

Vehicles per household

Vehicles	% of households
No vehicle	3.8%
1 vehicle	26.2%
2 vehicles	47.1%
3 or more	23.0%

Heating fuel

Fuel type	%
Utility gas	77.7%
Electricity	10.6%
Propane / LP gas	8.3%
Fuel oil	1.3%
Wood	2.1%

Households & families

Household type	Count	%
Married-couple family	3,327	59.8%
Cohabiting couple	153	2.8%
Male householder, no spouse	792	14.2%
Female householder, no spouse	1,287	23.2%
Households with children under 18	1,413	25.4%
Households with seniors (65+)	2,484	44.7%
Average household size	2.28

Marital status

Status	Male	Female
Never married	22.0%	16.5%
Married	63.7%	59.6%
Separated	3.3%	0.4%
Widowed	3.6%	13.0%
Divorced	7.5%	10.6%

Education

Less than 9th grade 0.6%

Some HS, no diploma 2.0%

HS graduate 14.6%

Some college, no degree 22.7%

Associate's degree 10.5%

Bachelor's degree 26.5%

Graduate / professional 23.2%

Metric	%
HS diploma or higher	97.5%
Bachelor's or higher	49.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	226	8.4%
Kindergarten	102	3.8%
Elementary school	1,043	38.9%
High school	749	27.9%
College / grad school	563	21.0%

Employment

Industry of employment

Education & healthcare 32.9%

Professional & management 12.6%

Manufacturing 11.5%

Arts, food & hospitality 8.3%

Finance & real estate 7.8%

Other services 5.7%

Construction 5.0%

Retail trade 4.9%

Transportation & utilities 4.6%

Public administration 3.6%

Information 1.3%

Wholesale trade 1.1%

Agriculture & mining 0.7%

Occupation

Category	%
Management, business & arts	55.7%
Service	14.8%
Sales & office	17.5%
Natural resources & construction	5.5%
Production & transportation	6.5%

Employment type

Type	%
Private sector	78.2%
Government	14.7%
Self-employed	7.2%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	72.9%
Carpool	4.1%
Public transit	0.4%
Walk	2.9%
Work from home	18.5%
Other means	1.1%
Avg commute (minutes)	27.6

Poverty

All people 2.8%

Under 18 years 2.5%

18 and over 2.8%

Married-couple families 0.4%

Female-led households 11.1%

Income support

Source	% of households
Social Security	43.0%
Retirement income	38.6%
Supplemental Security	2.6%
Cash public assistance	0.4%
Food stamps / SNAP	1.6%

Health indicators

Condition	%
Obesity	29.1%
High blood pressure	28.1%
High cholesterol	33.1%
Diabetes	8.9%
Heart disease	6.1%
Stroke	2.6%
Asthma	10.9%
Arthritis	27.9%
Kidney disease	2.7%
Pulmonary disease	5.7%
Cancer	8.0%

Behavior / access	%
Smoking	12.8%
Binge drinking	17.8%
No physical activity	15.2%
Less than 7 hrs sleep	31.0%
Depression	21.8%
Fair or poor health	10.2%
Poor mental health	13.6%
Poor physical health	8.6%
No health insurance	6.4%
Visited doctor (checkup)	72.5%
Visited dentist	77.1%
Cholesterol screening	94.0%
Teeth loss	7.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,001	9.5%

Disability	%
Any disability	10.3%
Under 18	2.3%
18–64 years	4.9%
65 and over	27.4%

Health insurance coverage

Type	%
Private insurance	89.5%
Public insurance	32.3%
No insurance	2.2%
Uninsured under 19	2.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	12,410	95.5%
Spanish	23	0.2%
Other Indo-European	5	0.0%
Asian & Pacific Islander	18	0.1%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	12,760	98.1%
Born in same state	12,703	97.7%
Born in different state	9,794	75.3%
Foreign born	57	0.4%
Naturalized citizen	241	1.9%
Not a US citizen	134	55.6%

Ancestry

Ancestry	Count	%
French	2,583	19.9%
Italian	1,655	12.7%
Arab	998	7.7%
English	273	2.1%
Irish	208	1.6%

Ancestry	Count	%
Polish	204	1.6%
German	142	1.1%
Dutch	80	0.6%
Norwegian	58	0.4%

Technology access

Metric	% of households
Computer access	42.8%
Internet access	95.1%

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

Frequently asked questions about ZIP code 48118

What city is ZIP code 48118 in?

ZIP code 48118 is primarily assigned to Chelsea, Michigan.

What county is ZIP code 48118 in?

ZIP code 48118 falls within Washtenaw County, Michigan.

Does ZIP code 48118 have an older population?

27% of residents in ZIP code 48118 are 65 or older, above the national average of ~17%.

Does ZIP code 48118 have a large retiree population?

43% of households in ZIP code 48118 receive Social Security income, suggesting a significant retiree or disability population.

How educated is the population of ZIP code 48118?

50% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Does ZIP code 48118 have a large veteran population?

10% of civilians in ZIP code 48118 are veterans, above the national average of ~7%.

What timezone is ZIP code 48118 in?

ZIP code 48118 observes the EST timezone.