Residential delivery area · Michigan
ZIP Code 48104: Ann Arbor, MI
ZIP code 48104 is in Ann Arbor, Michigan, entirely in Washtenaw County (Census 2020 ZIP-county file). About 44,000 people live there (Census Bureau, ACS 2020-2024), the 2nd most populous of Ann Arbor's 5 residential ZIP codes. Median household income is $64,231 (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
Where is ZIP code 48104?
48104 centers on 42.262°, -83.717° and covers 7.8 square miles of land plus 0.2 of water. It borders 4 ZIP codes: 48109, 48108, 48105, 48103.
The map draws ZIP code areas only. For the streets inside 48104, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 48104 compare with the rest of Ann Arbor?
| Measure | 48104 | In Ann Arbor | In Washtenaw County | In MI |
|---|---|---|---|---|
| People (ACS 2020-2024) | 43,979 | 2nd of 5 | 4th of 27 | 24th of 992 |
| Median household income | $64k | 4th of 4 | 23rd of 24 | 501st of 774 |
| Median home value | $491k | 2nd of 4 | 3rd of 25 | 17th of 779 |
Its median household income is higher than in 37% of U.S. residential ZIP codes, and it is denser than 95% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 48104?
The 2020 Census counted 41,588 people in 48104; the ACS, which samples households over 2020-2024, estimates 43,979. Between the 2010 and 2020 censuses its population grew 8.5% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 43,979
- 2020 Census count
- 41,588+8.5% since 2010 (38,315)
- Households
- 17,526
- Median age
- 22.9
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 48104?
Of the 43,979 people the ACS estimates in 48104, 8.1% are under 18 and 9.1% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (72.6%), then Asian (not Hispanic) (13.9%).
- Under 188.1%
- 18 to 6482.8%
- 65 and older9.1%
- White, not Hispanic72.6%
- Asian, not Hispanic13.9%
- Hispanic or Latino5.1%
- Other or two or more4.5%
- Black, not Hispanic3.9%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 48104 earn?
Median household income is $64,231 (ACS 2020-2024), the 23rd highest of the 24 ranked ZIP codes in Washtenaw County. It is not measurably different from 2015-2019 ($72,132 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $64,231±$6,689
- Income per person
- $52,000
- Below the poverty line
- 36.3%
- Unemployed (of the labor force)
- 5.1%
- Adults 25+ with a bachelor's degree
- 80.9%
- Adjusted gross income per tax return, 2022
- $143,86312,860 returns; wages 61% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 48104?
FHFA's house price index for 48104, built from repeat sales and appraisals of the same homes, rose 78% from 2015 to 2025 and rose 41% from 2020 to 2025, and moved −2.1% in 2025.
- Median home value (owners' estimate)
- $491,200
- Median gross rent
- $1,639
- Homes owned by their occupants
- 36.9%
- Housing units
- 19,300
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 48104?
1,527 business establishments had a location in this ZIP code in 2023, 121 fewer than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services279
- Accommodation and food services253
- Retail trade226
- Other services (except public administration)175
- Health care and social assistance173
- Finance and insurance87
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 48104?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 48109 | Ann Arbor | 5,939 | $14k | 2.1 mi |
| 48108 | Ann Arbor | 27,666 | $89k | 2.9 mi |
| 48105 | Ann Arbor | 37,048 | $95k | 4.6 mi |
| 48103 | Ann Arbor | 55,054 | $116k | 6.6 mi |
| 48197 | Ypsilanti | 66,525 | $74k | 6.1 mi (near) |
| 48198 | Ypsilanti | 39,244 | $63k | 6.7 mi (near) |
| 48176 | Saline | 23,451 | $114k | 10.4 mi (near) |
| 48189 | Whitmore Lake | 13,893 | $87k | 10.7 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.