ZIP Code Tabulation Area · Michigan

ZIP Code 48189: Washtenaw County, MI

ZIP Code 48189 (Washtenaw County, Michigan) has an estimated 13,893 residents in 5,833 households. The median household income is $87,145, the median home value is $313,400 and the median gross rent is $1,246/mo. Figures are U.S. Census Bureau American Community Survey 2020–2024 5-year estimates for the matching ZIP Code Tabulation Area.

American Community Survey 2020–2024 5-year estimates · Updated Oct 26, 2026

Total population

13,893

Margin of error ±841

Median household income

$87,145

Margin of error ±$8,485

Median home value

$313,400

Margin of error ±$23,285

Median gross rent

$1,246/mo

Margin of error ±$178

Median age

41.6 yrs

Margin of error ±2.4 yrs

Mean travel time to work

30.4 min

Margin of error ±4.6 min

How ZIP 48189 compares with Michigan and the U.S.

State and national figures are the Census Bureau's own estimates for those areas from the same ACS release, not averages of ZIP codes.

Median age

ZIP 4818941.6 yrsMichigan40.2 yrsUnited States38.9 yrs

Median household income

ZIP 48189$87,145Michigan$72,875United States$80,734

Per capita income

ZIP 48189$49,944Michigan$40,735United States$44,673

Poverty rate

ZIP 481895.9%Michigan13.2%United States12.5%

Unemployment rate

ZIP 481892.1%Michigan5.7%United States5.2%

Bachelor's degree or higher

ZIP 4818938.7%Michigan32.4%United States35.7%

Median home value

ZIP 48189$313,400Michigan$231,600United States$332,700

Median gross rent

ZIP 48189$1,246/moMichigan$1,129/moUnited States$1,413/mo

Owner-occupied homes

ZIP 4818979.3%Michigan73.2%United States65.2%

Mean travel time to work

ZIP 4818930.4 minMichigan24.2 minUnited States26.4 min

Worked from home

ZIP 4818921.0%Michigan13.5%United States15.1%

All figures for ZIP 48189

Each estimate has a 90% margin of error: the true value is likely within that range. * marks estimates with a large margin of error (a coefficient of variation above 30%, or ±10 percentage points or more for rates).

ZIP 48189 — ACS 2020–2024 5-year estimates
Measure	ZIP 48189	Margin of error	Michigan	United States
Total population	13,893	±841	10,077,761	334,922,499
Median age	41.6 yrs	±2.4 yrs	40.2 yrs	38.9 yrs
Households	5,833	±417	4,076,369	129,227,496
Median household income	$87,145	±$8,485	$72,875	$80,734
Per capita income	$49,944	±$3,553	$40,735	$44,673
Poverty rate	5.9%	±2.0 pts	13.2%	12.5%
Unemployment rate	2.1%	±1.0 pts	5.7%	5.2%
Bachelor's degree or higher	38.7%	±3.2 pts	32.4%	35.7%
Median home value	$313,400	±$23,285	$231,600	$332,700
Median gross rent	$1,246/mo	±$178	$1,129/mo	$1,413/mo
Owner-occupied homes	79.3%	±7.9 pts	73.2%	65.2%
Mean travel time to work	30.4 min	±4.6 min	24.2 min	26.4 min
Worked from home	21.0%	±3.4 pts	13.5%	15.1%

Race and Hispanic or Latino origin

Shares of the total population by the Census Bureau's race and Hispanic or Latino origin categories (table B03002), listed in the Census Bureau's order. People self-identify on the survey.

Population by race and Hispanic or Latino origin, ZIP 48189
Group	ZIP 48189	Michigan	United States
White alone, not Hispanic or Latino	89.6%	72.4%	57.4%
Black or African American alone, not Hispanic or Latino	3.0%	13.1%	11.9%
American Indian and Alaska Native alone, not Hispanic or Latino	0.1%	0.3%	0.5%
Asian alone, not Hispanic or Latino	0.9%	3.4%	5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino	0.0%	0.0%	0.2%
Some other race alone, not Hispanic or Latino	0.8%	0.5%	0.6%
Two or more races, not Hispanic or Latino	2.7%	4.5%	4.3%
Hispanic or Latino (of any race)	2.9%	5.9%	19.3%

Where ZIP 48189 is

State: Michigan
Main county: Washtenaw County— also overlaps Livingston County
Largest overlapping place: Whitmore Lake (11% of the ZIP's land area)
Land area: 34.18 sq mi· about 406 people per sq mi

County and place names come from the Census Bureau's 2020 ZCTA relationship files. A ZIP code's mailing city, set by the U.S. Postal Service, can differ from these names.

Other ZIP codes in Washtenaw County

48103 Washtenaw County, MI 48104 Ann Arbor, MI 48105 Washtenaw County, MI 48108 Ann Arbor, MI 48109 Ann Arbor, MI 48118 Washtenaw County, MI 48130 Washtenaw County, MI 48158 Washtenaw County, MI 48176 Washtenaw County, MI 48190 Washtenaw County, MI 48191 Washtenaw County, MI 48197 Washtenaw County, MI 48198 Washtenaw County, MI

See every ZIP code in Michigan, or compare ZIP 48189 with another ZIP code.

Census figures describe residents as a group and cannot tell you about any one home or street. For a specific address, check local government and housing records.

About ZIP codes and ZCTAs: the Census Bureau publishes statistics for ZIP Code Tabulation Areas, which approximate USPS ZIP code delivery areas. Learn how they differ.

Sources

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, detailed tables B01003, B01002, B11001, B19013, B19301, B17001, B23025, B15003, B25077, B25064, B25003, B08013, B08303, B08301, B03002 — snapshot Oct 26, 2026.
U.S. Census Bureau, 2020 ZCTA5 relationship files (county and place).
Data: U.S. Census Bureau, American Community Survey 5-year estimates (detailed tables) and 2020 Census ZCTA relationship files. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau. These agencies do not endorse OpenZIP.