Ann Arbor, MI · standard
ZIP Code 48109
Washtenaw County, Michigan - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 6,904
- 2,729/sq mi High-density area
- $14,093
- Median income Below-median income area
- 77.8%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Ann Arbor pairs one of the lowest household incomes in the country, in a suburban-density, renter-heavy area.
- Lowest
- household income, US ZIPs
- 2,729
- people per sq mi
- 0%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 48109 against every reporting US ZIP.
ZIP code 48109 is a mid-sized community (a standard USPS delivery area) in Ann Arbor, Washtenaw County, Michigan, home to 6,904 residents across 2.5 square miles, a density of 2,729 people per square mile, in the Detroit time zone.
ZIP 48109 sits on the lower end of the income spectrum: median household income is $14,093 (81% below the average Michigan ZIP), while per-capita income is $38,203. Economic pressure is pronounced: 97.7% of residents are below the poverty line and unemployment is 13.4%. The ACS does not report a median home value for this ZIP, so housing cost context is limited to the available tenure and rent fields.
This is a highly-educated ZIP: 77.8% of adults hold a bachelor's degree or higher, the median age is 19.1, and the average commute is -. The page also surfaces 8 ZIP codes within roughly 10 miles and 6 more in Washtenaw County, so 48109 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 48109
Top 5 sectors by establishment count in Ann Arbor, MI
Which industries have the most business establishments in ZIP 48109.
- Accommodation and food services
Accommodation and food services
11 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
9 establishments
- Administrative and support and waste management and remediation services
Administrative and support and waste management and remediation services
6 establishments
- Finance and insurance 3
Finance and insurance
3 establishments
- Health care and social assistance 3
Health care and social assistance
3 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 48109, Ann Arbor, MI · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
6,904
Population
2.5
Area (sq mi)
2,729
People / sq mi
Detroit
Time Zone
standard
ZIP Type
Who lives in ZIP 48109?
19.1
Median Age
39.2%
Male
60.8%
Female
10.5%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$14,093
Median Household Income
-81% vs state ZIP avg
$38,203
Per Capita Income
97.7%
Poverty Rate
13.4%
Unemployment Rate
How ZIP 48109 ranks among Michigan ZIPs
Ann Arbor, MI household income vs. every Michigan ZIP code
Median household income among 962 reporting Michigan ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$14,093 0th percentile higher than 0% of 962 Michigan ZIPs
Each bar is a $20K-wide band; taller bars hold more Michigan ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
156housing units
156
Total Housing Units
156
Occupied Units
0
Vacant Units
3.90
Avg Household Size
Occupancy Type
$1,453
Median Rent
1986
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 43 business establishments in ZIP 48109, employing approximately 20,213 people with a combined annual payroll of $1,548,610,000.
43
Businesses
20,213
Employees
$1.5B
Annual Payroll
7
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Accommodation and food services | 11 | 25.6% |
| Professional, scientific, and technical services | 9 | 20.9% |
| Administrative and support and waste management and remediation services | 6 | 13.9% |
| Finance and insurance | 3 | 7.0% |
| Health care and social assistance | 3 | 7.0% |
| Arts, entertainment, and recreation | 3 | 7.0% |
| Other services (except public administration) | 3 | 7.0% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 48109 vs 48104 →
ZIP 48109 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 48197
Ypsilanti (48197)
61,132 residents
- 48103
Ann Arbor (48103)
53,057 residents
- 48104
Ann Arbor (48104)
38,315 residents
- 48198
Ypsilanti (48198)
38,186 residents
- 48105
Ann Arbor (48105)
33,905 residents
- 48108
Ann Arbor (48108)
26,164 residents
- 48176 21,447
Saline (48176)
21,447 residents
- 48189 13,632
Whitmore Lake (48189)
13,632 residents
- 48109 6,904
Ann Arbor (48109)
6,904 residents
What this shows Among its immediate neighbors, ZIP 48109 ranks #9 by population - useful context the national average alone can't give.
ZIP 48109 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 48103
Ann Arbor (48103)
$116,194 median income
- 48176
Saline (48176)
$114,206 median income
- 48105
Ann Arbor (48105)
$94,774 median income
- 48108
Ann Arbor (48108)
$89,355 median income
- 48189
Whitmore Lake (48189)
$87,145 median income
- 48197
Ypsilanti (48197)
$73,737 median income
- 48104
Ann Arbor (48104)
$64,231 median income
- 48198
Ypsilanti (48198)
$63,326 median income
- 48109 $14,093
Ann Arbor (48109)
$14,093 median income
What this shows By household income, ZIP 48109 ranks #9 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 48104 | Ann Arbor, MI | 38,315 | 1.4 mi |
| 48105 | Ann Arbor, MI | 33,905 | 3.4 mi |
| 48108 | Ann Arbor, MI | 26,164 | 4.3 mi |
| 48103 | Ann Arbor, MI | 53,057 | 6.3 mi |
| 48198 | Ypsilanti, MI | 38,186 | 7.0 mi |
| 48197 | Ypsilanti, MI | 61,132 | 7.7 mi |
| 48189 | Whitmore Lake, MI | 13,632 | 9.4 mi |
| 48176 | Saline, MI | 21,447 | 10.3 mi |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 48109, both outside MI so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (6,904 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Washtenaw County
Related Areas
Frequently Asked Questions
What county is ZIP code 48109 in?
ZIP code 48109 (Ann Arbor) is located in Washtenaw County, Michigan. Washtenaw County contains multiple ZIP codes, see the full list at /counties/washtenaw-mi.
What is the population of ZIP code 48109?
ZIP code 48109 in Ann Arbor, MI has a population of 6,904 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 48109?
The median household income in ZIP 48109 is $14,093, which is 82% below the national average of $76,288.
What is the demographic makeup of ZIP 48109?
The largest racial group in ZIP 48109 is White at 65.3%. Hispanic or Latino residents make up 9.4% of the population.
How many businesses are in ZIP code 48109?
ZIP code 48109 has 43 business establishments employing approximately 20,213 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 48109?
The top industries by establishment count in ZIP 48109 are: Accommodation and food services (11), Professional, scientific, and technical services (9), Administrative and support and waste management and remediation services (6). There are 7 industry sectors represented in total.
What is the education level in ZIP code 48109?
In ZIP code 48109, 81.3% of residents aged 25+ have a high school diploma or higher, and 77.8% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the poverty rate in ZIP code 48109?
The poverty rate in ZIP code 48109 is 97.7% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 48109's numbers, next.
- See how ZIP 48109 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Ann Arbor, MI ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.