Residential delivery area · Michigan
ZIP Code 48105: Ann Arbor, MI
ZIP code 48105 uses the postal name Ann Arbor, Michigan and lies entirely in Washtenaw County (Census 2020 ZIP-county file). About 37,000 people live there (Census Bureau, ACS 2020-2024), the 3rd most populous of Ann Arbor's 5 residential ZIP codes. Median household income is $94,774 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Ann Arbor (15%) and Barton Hills (2%); 83% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Ann Arbor · 5 residential ZIPs
- County
- Washtenaw County
- Census places
- Ann Arbor (15%); Barton Hills (2%)
- Neighborhood
- Logan GeoNames
- Metro area
- Ann Arbor, MI
- House district
- MI-6 119th Congress
- State
- Michigan
- Time zone
- Eastern
- Land area
- 49.5 sq mi · 748 people per sq mi
Where is ZIP code 48105?
48105 centers on 42.328°, -83.696° and covers 49.5 square miles of land plus 0.8 of water. It borders 10 ZIP codes: 48109, 48104, 48198, 48189, 48108, 48178, 48170, 48103, 48197, 48130.
The map draws ZIP code areas only. For the streets inside 48105, 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); neighborhoods from the GeoNames gazetteer (CC BY 4.0), placed in this ZIP code by PlainZIP.
How does 48105 compare with the rest of Ann Arbor?
| Measure | 48105 | In Ann Arbor | In Washtenaw County | In MI |
|---|---|---|---|---|
| People (ACS 2020-2024) | 37,048 | 3rd of 5 | 8th of 27 | 49th of 992 |
| Median household income | $95k | 2nd of 4 | 14th of 24 | 123rd of 774 |
| Median home value | $503k | 1st of 4 | 2nd of 25 | 13th of 779 |
Its median household income is higher than in 77% of U.S. residential ZIP codes, and it is denser than 76% 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 48105?
The 2020 Census counted 38,883 people in 48105; the ACS, which samples households over 2020-2024, estimates 37,048. Between the 2010 and 2020 censuses its population grew 14.7% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 37,048
- 2020 Census count
- 38,883+14.7% since 2010 (33,905)
- Households
- 15,689
- Median age
- 31.6
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 48105?
Of the 37,048 people the ACS estimates in 48105, 16.2% are under 18 and 16.5% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (56.6%), then Asian (not Hispanic) (26.8%).
- Under 1816.2%
- 18 to 6467.3%
- 65 and older16.5%
- White, not Hispanic56.6%
- Asian, not Hispanic26.8%
- Other or two or more7.4%
- Black, not Hispanic5.3%
- Hispanic or Latino3.8%
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 48105 earn?
Median household income is $94,774 (ACS 2020-2024), the 14th highest of the 24 ranked ZIP codes in Washtenaw County. It is not measurably different from 2015-2019 ($93,927 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $94,774
- Income per person
- $66,969
- Below the poverty line
- 16.8%
- Unemployed (of the labor force)
- 3.0%
- Adults 25+ with a bachelor's degree
- 82.7%
- Adjusted gross income per tax return, 2022
- $157,18815,600 returns; wages 58% 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 48105?
FHFA's house price index for 48105, built from repeat sales and appraisals of the same homes, rose 71% from 2015 to 2025 and rose 37% from 2020 to 2025, and moved +0.2% in 2025.
- Median home value (owners' estimate)
- $503,100
- Median gross rent
- $1,713
- Homes owned by their occupants
- 50.1%
- Housing units
- 16,992
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 48105?
635 business establishments had a location in this ZIP code in 2023, 32 more than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services152
- Health care and social assistance108
- Accommodation and food services61
- Other services (except public administration)58
- Retail trade42
- Finance and insurance39
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 48105?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 48109 | Ann Arbor | 5,939 | $14k | 2.6 mi |
| 48104 | Ann Arbor | 43,979 | $64k | 4.6 mi |
| 48198 | Ypsilanti | 39,244 | $63k | 6.7 mi |
| 48189 | Whitmore Lake | 13,893 | $87k | 7.2 mi |
| 48108 | Ann Arbor | 27,666 | $89k | 7.5 mi |
| 48178 | South Lyon | 37,789 | $132k | 8.3 mi |
| 48170 | Plymouth | 40,076 | $114k | 8.7 mi |
| 48103 | Ann Arbor | 55,054 | $116k | 8.9 mi |
| 48197 | Ypsilanti | 66,525 | $74k | 9.7 mi |
| 48130 | Dexter | 16,986 | $129k | 11.2 mi |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.