Postal Codes

48109 ZIP Code

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ZIP code 48109 covers Ann Arbor, Michigan, with a population of about 5,722.

Population
5,7224,101 per square mile
Median age
19.119.6 points below the US average
Poverty rate
98.8%86.4 points above the US average
Degree or higher
67.7%32.7 points above the US average
Homeownership
0%65 points below the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
47

Where 48109 is

Ann Arbor, Michigan — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population5,722
Median age19.1
Family households0%
Born outside the US9.4%
Speaks a language other than English at home22.1%
White (non-Hispanic)61.6%
Black (non-Hispanic)4.1%
Asian (non-Hispanic)22.4%
Hispanic or Latino6.7%
Veterans0%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Income per person$38,625
Poverty rate98.8%
Households on SNAP or cash assistance0%

Household income distribution

Under $10k6.3%
$10–15k93.7%
$15–20k0.0%
$20–25k0.0%
$25–30k0.0%
$30–35k0.0%
$35–40k0.0%
$40–45k0.0%
$45–50k0.0%
$50–60k0.0%
$60–75k0.0%
$75–100k0.0%
$100–125k0.0%
$125–150k0.0%
$150–200k0.0%
$200k or more0.0%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed120
Mean adjusted gross income$32,508
Returns declaring $200,000 or more0%
Returns, under $25k58.3%
Returns, $25k–$50k25.0%
Returns, $50k–$75k16.7%
Returns, $75k–$100k0.0%
Returns, $100k–$200k0.0%
Returns, $200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Owner-occupied0%
Vacant homes0%

What the homes are

5 to 19 units93.7%
20 or more units6.3%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate5.7%
Bachelor's degree or higher67.7%
High school diploma or higher99.5%
Works from home30.7%
Drives to work alone8.4%
Takes public transport19.2%
Commutes 45 minutes or more1.5%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity28.7% 4.7 pts below the national average of 33.4%
Diagnosed diabetes2.3% 9.7 pts below the national average of 12%
Currently smokes12.7% 0.5 pts below the national average of 13.2%
High blood pressure13.9% 20.2 pts below the national average of 34.1%
Fair or poor general health21.4% 1.1 pts above the national average of 20.3%
No health insurance (18–64)9.3% 2 pts below the national average of 11.3%
Depression40.9% 19 pts above the national average of 21.9%
No leisure-time physical activity22.2% 3.2 pts below the national average of 25.4%
Arthritis6.3% 18.8 pts below the national average of 25.1%
Binge drinking19.7% 3.7 pts above the national average of 16%
Taking blood pressure medication22% 52.7 pts below the national average of 74.7%
Cancer (non-skin)0.9% 6.8 pts below the national average of 7.7%
Current asthma14.4% 4 pts above the national average of 10.4%
Coronary heart disease1.4% 4.8 pts below the national average of 6.2%
Routine check-up in past year68.1% 8.6 pts below the national average of 76.7%
Cholesterol screening58.6% 27.3 pts below the national average of 85.9%
Cognitive disability31.8% 17 pts above the national average of 14.8%
Colorectal screening61.1% 3.2 pts below the national average of 64.3%
COPD4.6% 2 pts below the national average of 6.6%
Visited a dentist54.1% 7.2 pts below the national average of 61.3%
Any disability40% 9.3 pts above the national average of 30.7%
Lacks emotional support23.1% 1.7 pts below the national average of 24.8%
Food insecurity36.7% 19.6 pts above the national average of 17.1%
Received food stamps38.7% 24.4 pts above the national average of 14.3%
Hearing disability3.7% 3 pts below the national average of 6.7%
High cholesterol11.6% 24.6 pts below the national average of 36.2%
Housing insecurity20.6% 6.8 pts above the national average of 13.8%
Independent living disability18.2% 9.8 pts above the national average of 8.4%
Lacks transport25.4% 16.2 pts above the national average of 9.2%
Loneliness45.2% 10.8 pts above the national average of 34.4%
Mammography use66.4% 9.5 pts below the national average of 75.9%
Poor mental health (14+ days)32.6% 15.8 pts above the national average of 16.8%
Mobility disability5.6% 8.4 pts below the national average of 14%
Poor physical health (14+ days)12.6% 0.9 pts below the national average of 13.5%
Self-care disability2.9% 1.1 pts below the national average of 4%
Utility shut-off threat17.6% 8.8 pts above the national average of 8.8%
Sleeps under 7 hours31.2% 5.2 pts below the national average of 36.4%
Stroke0.9% 2.5 pts below the national average of 3.4%
All natural teeth lost24.6% 11.6 pts above the national average of 13%
Vision disability8.1% 2.5 pts above the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments47
People employed17,466
Annual payroll$1,470,494,000
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Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 21.3% of US census tracts
FEMA ratingVery Low to Relatively Moderate across the 7 census tracts this ZIP code covers
Expected annual loss21.3 out of 100
Community resilience95.3 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Strong wind63.2Very High at its worst in this ZIP code
Tornado61.6Very High at its worst in this ZIP code
Cold wave57.4Relatively High at its worst in this ZIP code
Ice storm52.3Relatively High at its worst in this ZIP code
Hail49.3Relatively High at its worst in this ZIP code
Landslide46.8Very Low at its worst in this ZIP code
Lightning43.8Relatively High at its worst in this ZIP code
Winter weather37Relatively High at its worst in this ZIP code
Heat wave35.6Relatively Moderate at its worst in this ZIP code
Hurricane29Very Low at its worst in this ZIP code
Wildfire26.3Very Low at its worst in this ZIP code
Earthquake25.2Relatively Low at its worst in this ZIP code
River flooding16.8Relatively Moderate at its worst in this ZIP code
Compared with Michigan and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPMichiganUnited States
Median household income$71,149$78,538
Income per person$38,625$39,538$43,289
Poverty rate98.8%13.1%12.4%
Median home value$217,600$303,400
Median gross rent$1,084$1,348
Homeownership0%72.9%65%
Bachelor's degree or higher67.7%31.8%35%
Unemployment rate5.7%5.8%5.2%
Works from home30.7%12%13.5%
Born outside the US9.4%7%13.9%
Median age19.140.138.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationANN ARBOR SE, MI US5.6 km away
Rain in a year38 in
Snow in a year59 in

Average high and low by month

January31.7°F / 16.3°F2.84 in rain, 16.6 in snow
February34.8°F / 16.3°F2.42 in rain, 17.1 in snow
March45.1°F / 24.9°F2.76 in rain, 7.3 in snow
April58.2°F / 34.2°F3.34 in rain, 2.4 in snow
May70.4°F / 45.5°F3.79 in rain
June79.7°F / 55.5°F4.25 in rain
July84°F / 59°F3.85 in rain
August81.5°F / 57.9°F3.34 in rain
September75.1°F / 49.7°F2.98 in rain
October62°F / 39°F2.93 in rain, 0.1 in snow
November48°F / 29.6°F2.73 in rain, 3.9 in snow
December36.2°F / 22.2°F2.64 in rain, 11.9 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarket24% of this ZIP code's area
Far from a supermarket26% of this ZIP code's area
No vehicle and far from a supermarket46% of this ZIP code's area
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

Ann Arbor Public Schools100% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability37more vulnerable than 37% of US census tracts
Socioeconomic status56more vulnerable than 56% of US census tracts
Household characteristics1more vulnerable than 1% of US census tracts
Racial and ethnic minority status53more vulnerable than 53% of US census tracts
Housing type and transport73more vulnerable than 73% of US census tracts
Walkability14.2 out of 20Above average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

48104 Ann Arbor, MI1.4 km away
48103 Ann Arbor, MI3.6 km away
48105 Ann Arbor, MI4.1 km away
48108 Ann Arbor, MI5.9 km away
48106 Ann Arbor, MI8.3 km away
48107 Ann Arbor, MI8.3 km away
48113 Ann Arbor, MI8.3 km away
48197 Ypsilanti, MI10.2 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Washtenaw County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area1.4 sq mi
Water area0.03 sq mi
Population density4,101 people per sq mi
Latitude, longitude42.2776, -83.7409

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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