PlainZIP

Whitmore Lake, MI · standard

ZIP Code 48189

Washtenaw County, Michigan - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

13,632
153/sq mi
$87,145
Median income
$313,400
Median home value
38.7%
Bachelor's or higher

The verdict

Whitmore Lake pairs an above-median household income with above-median home values, in a rural, homeowner-dominated area.

Top 30%
household income, US ZIPs
Top 32%
home value, US ZIPs
153
people per sq mi
79%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 48189 against every reporting US ZIP.

ZIP code 48189 is a mid-sized community (a standard USPS delivery area) in Whitmore Lake, Washtenaw County, Michigan, home to 13,632 residents across 88.9 square miles, a density of 153 people per square mile, in the Detroit time zone.

ZIP 48189 lands in the middle-income range, with a median household income of $87,145 (19% above the Michigan average), while per-capita income is $49,944. Local economic indicators show a 5.9% poverty rate alongside 2.1% unemployment. The typical home here is valued at $313,400 (43% above the state average); renters pay a median of $1,246 monthly, and 79.3% of units are owner-occupied.

A solid share of residents have a four-year degree: 38.7% of adults hold a bachelor's degree or higher, the median age is 41.6, and the average commute is 30 minutes. We also surface 8 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Washtenaw County, so you can benchmark 48189 against its immediate geography rather than a national average alone.

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 48189

Top 5 sectors by establishment count in Whitmore Lake, MI

Which industries have the most business establishments in ZIP 48189.

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 · ZIP Code Business Patterns (ZBP) As of 2023

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 48189, Whitmore Lake, 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

13,632

Population

88.9

Area (sq mi)

153

People / sq mi

Detroit

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 48189?

41.6

Median Age

53.4%

Male

46.6%

Female

3.3%

Foreign-Born

White 91.4%
African American 3.0%
Asian 0.9%
American Indian or Alaska Native 0.2%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 3.5%
Hispanic or Latino 2.9%

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?

$87,145

Median Household Income

+19% vs state

$49,944

Per Capita Income

5.9%

Poverty Rate

2.1%

Unemployment Rate

30.4 min

Mean Commute Time

How ZIP 48189 ranks nationally

Whitmore Lake, MI household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$87,145 Top 30% higher than 70% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). This entry sits in this band. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US 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?

High School Graduate or Higher 66.6%
Bachelor's Degree or Higher 38.7%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

6,107

Total Housing Units

5,833

Occupied Units

274

Vacant Units

2.32

Avg Household Size

Occupancy Type

Owner 79.3%
Renter 20.7%

$313,400

Median Home Value

+43% vs state

$1,246

Median Rent

1985

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+1.4%

YoY Change (2024)

185

HPI Index (2000 = 100)

+85%

Total Change Since 2000

Home values in ZIP 48189 have increased 1.4% over the past year (2024). Since 2000, this ZIP has seen +85% cumulative appreciation.

Year Annual Change HPI Index
2020 +1.2% 138
2021 +8.6% 150
2022 +11.8% 168
2023 +9.0% 183
2024 +1.4% 185

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 269 business establishments in ZIP 48189, employing approximately 2,809 people with a combined annual payroll of $167,846,000.

269

Businesses

2,809

Employees

$167.8M

Annual Payroll

15

Industry Sectors

Industry Establishments % of Total
Construction 46 17.1%
Retail trade 33 12.3%
Other services (except public administration) 28 10.4%
Manufacturing 25 9.3%
Professional, scientific, and technical services 21 7.8%
Health care and social assistance 21 7.8%
Wholesale trade 20 7.4%
Accommodation and food services 17 6.3%
Administrative and support and waste management and remediation services 15 5.6%
Real estate and rental and leasing 10 3.7%
Transportation and warehousing 9 3.4%
Finance and insurance 7 2.6%
Educational services 6 2.2%
Arts, entertainment, and recreation 6 2.2%
Information 4 1.5%

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 48189 vs 48139 →

ZIP 48189 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 48189 ranks #6 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 48189 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 48189 ranks #5 of 8 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
48139 Hamburg, MI 206 3.0 mi
48116 Brighton, MI 26,432 6.4 mi
48143 Lakeland, MI 32 4.7 mi
48178 South Lyon, MI 29,320 6.6 mi
48105 Ann Arbor, MI 33,905 6.8 mi
48130 Dexter, MI 14,420 7.2 mi
48109 Ann Arbor, MI 6,904 9.4 mi
48104 Ann Arbor, MI 38,315 10.8 mi

More ZIP Codes in Washtenaw County

48197 standard
Ypsilanti, MI
Pop: 61,132
48103 standard
Ann Arbor, MI
Pop: 53,057
48104 standard
Ann Arbor, MI
Pop: 38,315
48198 standard
Ypsilanti, MI
Pop: 38,186
48105 standard
Ann Arbor, MI
Pop: 33,905
48178 standard
South Lyon, MI
Pop: 29,320

Related Areas

Washtenaw County Whitmore Lake, MI Michigan

Frequently Asked Questions

What county is ZIP code 48189 in? ▼
ZIP code 48189 (Whitmore Lake) 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 48189? ▼
ZIP code 48189 in Whitmore Lake, MI has a population of 13,632 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 48189? ▼
The median household income in ZIP 48189 is $87,145, which is 14% above the national average of $76,288.
What is the average home value in ZIP 48189? ▼
The median home value in ZIP 48189 is $313,400, which is 13% above the national average of $278,155.
What is the demographic makeup of ZIP 48189? ▼
The largest racial group in ZIP 48189 is White at 91.4%. Hispanic or Latino residents make up 2.9% of the population.
How many businesses are in ZIP code 48189? ▼
ZIP code 48189 has 269 business establishments employing approximately 2,809 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 48189? ▼
The top industries by establishment count in ZIP 48189 are: Construction (46), Retail trade (33), Other services (except public administration) (28). There are 15 industry sectors represented in total.
How have home values changed in ZIP code 48189? ▼
According to the FHFA House Price Index, home values in ZIP 48189 increased by 1.4% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 85%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 48189? ▼
In ZIP code 48189, 66.6% of residents aged 25+ have a high school diploma or higher, and 38.7% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 48189? ▼
The mean commute time for workers in ZIP code 48189 is 30.4 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 48189? ▼
In ZIP code 48189, approximately 79.3% of occupied housing units are owner-occupied and 20.7% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 48189? ▼
The poverty rate in ZIP code 48189 is 5.9% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.