ZIP Code Tabulation Area · Michigan

ZIP Code 48191: Washtenaw County, MI

ZIP Code 48191 (Washtenaw County, Michigan) has an estimated 4,403 residents in 1,662 households. The median household income is $102,833, the median home value is $271,900 and the median gross rent is $1,387/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

4,403

Margin of error ±587

Median household income

$102,833

Margin of error ±$14,172

Median home value

$271,900

Margin of error ±$38,229

Median gross rent

$1,387/mo

Margin of error ±$32

Median age

47.2 yrs

Margin of error ±3.7 yrs

Mean travel time to work

28.5 min

Margin of error ±8.8 min

How ZIP 48191 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 4819147.2 yrsMichigan40.2 yrsUnited States38.9 yrs

Median household income

ZIP 48191$102,833Michigan$72,875United States$80,734

Per capita income

ZIP 48191$51,915Michigan$40,735United States$44,673

Poverty rate

ZIP 481919.4%Michigan13.2%United States12.5%

Unemployment rate

ZIP 481912.8%Michigan5.7%United States5.2%

Bachelor's degree or higher

ZIP 4819124.4%Michigan32.4%United States35.7%

Median home value

ZIP 48191$271,900Michigan$231,600United States$332,700

Median gross rent

ZIP 48191$1,387/moMichigan$1,129/moUnited States$1,413/mo

Owner-occupied homes

ZIP 4819190.9%Michigan73.2%United States65.2%

Mean travel time to work

ZIP 4819128.5 minMichigan24.2 minUnited States26.4 min

Worked from home

ZIP 4819112.7%Michigan13.5%United States15.1%

All figures for ZIP 48191

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 48191 — ACS 2020–2024 5-year estimates
Measure	ZIP 48191	Margin of error	Michigan	United States
Total population	4,403	±587	10,077,761	334,922,499
Median age	47.2 yrs	±3.7 yrs	40.2 yrs	38.9 yrs
Households	1,662	±202	4,076,369	129,227,496
Median household income	$102,833	±$14,172	$72,875	$80,734
Per capita income	$51,915	±$7,120	$40,735	$44,673
Poverty rate	9.4%	±5.8 pts	13.2%	12.5%
Unemployment rate	2.8%	±2.4 pts	5.7%	5.2%
Bachelor's degree or higher	24.4%	±4.8 pts	32.4%	35.7%
Median home value	$271,900	±$38,229	$231,600	$332,700
Median gross rent	$1,387/mo	±$32	$1,129/mo	$1,413/mo
Owner-occupied homes	90.9%	±3.9 pts	73.2%	65.2%
Mean travel time to work	28.5 min	±8.8 min	24.2 min	26.4 min
Worked from home	12.7%	±5.6 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 48191
Group	ZIP 48191	Michigan	United States
White alone, not Hispanic or Latino	76.7%	72.4%	57.4%
Black or African American alone, not Hispanic or Latino	8.4%	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	0.6%	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	1.0%	0.5%	0.6%
Two or more races, not Hispanic or Latino	12.3%	4.5%	4.3%
Hispanic or Latino (of any race)	1.0%	5.9%	19.3%

Where ZIP 48191 is

State: Michigan
Main county: Washtenaw County— also overlaps Monroe County
Land area: 16.12 sq mi· about 273 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 48189 Washtenaw County, MI 48190 Washtenaw County, MI 48197 Washtenaw County, MI 48198 Washtenaw County, MI

See every ZIP code in Michigan, or compare ZIP 48191 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.