48109 ZIP Code — Ann Arbor, MI

Washtenaw County, Michigan

ZIP code 48109 is located in Ann Arbor, Michigan, within Washtenaw County. It covers approximately 1.40 square miles and serves a population of 5,773 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 734.

About ZIP code 48109

The housing stock consists of a mix of housing types. Most homes were built in the 1980s, giving the area an established character.

Median household income is $13,708. Poverty affects 97% of residents, above the national average.

The dominant occupation class is service, with education and healthcare as the leading industry. The average commute of 15 minutes is near the national average. Remote work is prevalent — 30% of workers work from home.

Educational attainment is high — 51% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Health indicators show elevated rates of poor mental health (28%) compared to national benchmarks.

Overall, ZIP code 48109 reflects a community defined by a highly educated population, economic challenges above the national average, and a high rate of remote workers.

5,773

population

1.40

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

48109 ZIP code map

Cities in ZIP code 48109

Below are the cities the US Postal Service accepts for ZIP code 48109. Using any city not on this list may result in mail delivery delays.

City	Status
Ann Arbor	Acceptable
Ann Arbor	Preferred

Nearby ZIP codes

48104 Ann Arbor (0.9 mi) 48105 Ann Arbor (2.7 mi) 48108 Ann Arbor (4.3 mi) 48198 Ypsilanti (6.1 mi) 48103 Ann Arbor (7 mi) 48197 Ypsilanti (7.6 mi) 48189 Whitmore Lake (9.3 mi) 48130 Dexter (10.5 mi) 48170 Plymouth (10.7 mi) 48178 South Lyon (10.8 mi) 48176 Saline (11 mi) 48168 Northville (12.3 mi)

Demographics updated 06/2026

Population
Total population	5,773
Population density	4,124 / sq mi
State FIPS	26
County FIPS	161

Geography
Land area	1.40 sq mi
Water area	0.03 sq mi
Latitude	42.2856
Longitude	-83.7167
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	100.0%	34.6%	42.6%
$50k – $100k	0.0%	28.3%	31.1%
$100k – $200k	0.0%	25.3%	20.6%
Over $200k	0.0%	11.7%	5.7%

Demographics & statistics

5,773

Population

4,124

People per sq mi

19.1

Median age

$13,708

Median household income

$38,326

Per capita income

Median home value

$1,371

Median monthly rent

0.0%

Home ownership

97.1%

Poverty rate

5.7%

Unemployment

Housing units

51.2%

Bachelor's or higher

Age distribution

Male Female

1,658

15–19

2,769

441

20–24

735

25–34

35–44

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	99	1.7%
18 and over	5,674	98.3%
65 and over	57	1.0%
Median age	19.1 years

Race & ethnicity

White 64.8%

Asian 23.2%

Black or African American 4.9%

Two or more races 4.5%

Hispanic or Latino 1.9%

Other race 0.6%

American Indian / Alaska Native 0.1%

Group	Count	%
White	3,813	64.8%
Asian	1,363	23.2%
Black or African American	288	4.9%
Two or more races	266	4.5%
Hispanic or Latino	110	1.9%
Other race	37	0.6%
American Indian / Alaska Native	6	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	100.0%	34.6%	42.6%
$50k – $100k	0.0%	28.3%	31.1%
$100k – $200k	0.0%	25.3%	20.6%
Over $200k	0.0%	11.7%	5.7%

Under $10k 7.8%

$10k–$15k 87.4%

$200k+ 4.9%

Range	% of households
Under $10k	7.8%
$10k–$15k	87.4%
$200k+	4.9%
Median income	$13,708

Housing

Home values

Housing overview

Metric	Value
Median home value	$0
Median rent / month	$1,371
Owner occupied	0.0%
Renter occupied	100.0%
Vacant	0.0%
Single-family detached	0.0%
Large apartment buildings	7.8%
Mobile homes	0.0%
Median rooms	4.9
Avg household size (owned)	0.00

Year built

Era	%
2020 or later	0.0%
2010–2019	0.0%
2000–2009	0.0%
1990–1999	0.0%
1980–1989	87.4%
1970–1979	0.0%
1960–1969	0.0%
1950–1959	7.8%
1940–1949	0.0%
1939 or earlier	4.9%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.0%
2 bedrooms	12.6%
3 bedrooms	87.4%
4 bedrooms	0.0%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	95.1%
1 vehicle	0.0%
2 vehicles	4.9%
3 or more	0.0%

Heating fuel

Fuel type	%
Utility gas	100.0%

Households & families

Household type	Count	%
Married-couple family	0	0.0%
Cohabiting couple	0	0.0%
Male householder, no spouse	0	0.0%
Female householder, no spouse	103	100.0%
Households with children under 18	0	0.0%
Households with seniors (65+)	0	0.0%
Average household size	3.54

Marital status

Status	Male	Female
Never married	99.3%	98.8%
Married	0.7%	0.2%
Separated	0.0%	0.0%
Widowed	0.0%	0.4%
Divorced	0.0%	0.6%

Education

Less than 9th grade 0.0%

Some HS, no diploma 0.6%

HS graduate 5.9%

Some college, no degree 42.4%

Associate's degree 0.0%

Bachelor's degree 40.6%

Graduate / professional 10.6%

Metric	%
HS diploma or higher	99.4%
Bachelor's or higher	51.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	0	0.0%
High school	0	0.0%
College / grad school	5,699	100.0%

Employment

Industry of employment

Education & healthcare 64.3%

Arts, food & hospitality 19.4%

Retail trade 5.2%

Professional & management 4.3%

Public administration 2.0%

Manufacturing 1.7%

Other services 1.2%

Agriculture & mining 0.8%

Information 0.5%

Construction 0.3%

Transportation & utilities 0.3%

Occupation

Category	%
Management, business & arts	35.1%
Service	40.5%
Sales & office	20.8%
Natural resources & construction	0.4%
Production & transportation	3.3%

Employment type

Type	%
Private sector	40.9%
Government	58.2%
Self-employed	0.9%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	10.5%
Carpool	3.7%
Public transit	14.4%
Walk	41.3%
Work from home	30.1%
Other means	0.0%
Avg commute (minutes)	15.3

Poverty

All people 97.1%

Under 18 years 0.0%

18 and over 97.1%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	0.0%
Retirement income	0.0%
Supplemental Security	0.0%
Cash public assistance	0.0%
Food stamps / SNAP	0.0%

Health indicators

Condition	%
Obesity	26.0%
High blood pressure	10.4%
High cholesterol	9.2%
Diabetes	2.1%
Heart disease	1.2%
Stroke	0.7%
Asthma	16.2%
Arthritis	6.2%
Kidney disease	1.2%
Pulmonary disease	3.6%
Cancer	0.6%

Behavior / access	%
Smoking	16.2%
Binge drinking	20.9%
No physical activity	20.9%
Less than 7 hrs sleep	35.5%
Depression	31.0%
Fair or poor health	13.2%
Poor mental health	27.6%
Poor physical health	8.2%
No health insurance	12.1%
Visited doctor (checkup)	65.4%
Visited dentist	53.5%
Cholesterol screening	68.1%
Teeth loss	28.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	21	0.4%

Disability	%
Any disability	4.2%
Under 18	0.0%
18–64 years	4.2%
65 and over	100.0%

Health insurance coverage

Type	%
Private insurance	92.4%
Public insurance	5.8%
No insurance	2.3%
Uninsured under 19	3.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	5,773	100.0%
Spanish	90	1.6%
Other Indo-European	0	0.0%
Asian & Pacific Islander	7	0.1%
Other languages	83	1.4%

Place of birth & citizenship

Origin	Count	%
Native born (US)	5,208	90.2%
Born in same state	5,020	87.0%
Born in different state	2,780	48.2%
Foreign born	188	3.3%
Naturalized citizen	565	9.8%
Not a US citizen	147	26.0%

Ancestry

Ancestry	Count	%
Italian	299	5.2%
French	240	4.2%
English	115	2%
Irish	48	0.8%
Dutch	43	0.7%

Ancestry	Count	%
Polish	42	0.7%
Norwegian	41	0.7%
Arab	10	0.2%
German	1	0%

Technology access

Metric	% of households
Computer access	1.8%
Internet access	100.0%

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

Frequently asked questions about ZIP code 48109

What city is ZIP code 48109 in?

ZIP code 48109 is primarily assigned to Ann Arbor, Michigan.

What county is ZIP code 48109 in?

ZIP code 48109 falls within Washtenaw County, Michigan.

What is the poverty rate in ZIP code 48109?

97% of residents in ZIP code 48109 live below the poverty line, above the national average.

How educated is the population of ZIP code 48109?

51% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What is the median household income in ZIP code 48109?

The median household income in ZIP code 48109 is $13,708, below the national median of ~$75,000.

What is the population of ZIP code 48109?

ZIP code 48109 has an estimated population of 5,773 residents, with a density of 4,138 people per square mile.

What timezone is ZIP code 48109 in?

ZIP code 48109 observes the EST timezone.