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ZIP 49240 · Grass Lake

Who lives in ZIP code 49240 (Grass Lake, MI): age, income, housing, education and work.

Source: uszips 2026 (ACS-based ZIP file)

2026 ZIP profile

Grass Lake, MI · Jackson County

uszips 2026
People8,863
Median age46.8
Household income$99,681
Home value$299,253
Median rent$1,135/mo
Poverty4.2%
College degree+31.9%
Commute26 min

Place

Metro area
Jackson, MI
Time zone
Eastern
Density
33 / sq mi
Housing units
3,629

Spans 2 counties

Jackson85%
Washtenaw15%

Share of the ZIP's people in each county.

Age mix

Under 109.8%
10–1910.5%
20s8.2%
30s13.4%
40s13.5%
50s13.1%
60s18.2%
70s10.0%
80+3.5%

22.5% are 65 or older; 81.3% are adults.

Household income

Under $25K5.1%
$25K–50K13.1%
$50K–75K19.3%
$75K–100K12.8%
$100K–150K21.9%
$150K+27.8%

49.7% of households earn $100K+. Median per person: $48,023.

Education (adults 25+)

Less than high school4.4%
High school28.0%
Some college35.7%
Bachelor's20.1%
Graduate11.8%

41.9% of degrees are in STEM fields.

Race

White95.8%
Black0.3%
Asian0.9%
Native American0.0%
Pacific Islander0.0%
Other0.3%
Two or more2.7%

2.7% Hispanic or Latino (of any race).

Households & family

Married
62.7%
Never married
20.7%
Divorced
11.2%
Widowed
5.4%
Family size
2.90
Dual-income families
52.1%

Housing

Own their home
92.6%
Rent burden
19.2%
Men / women
51% / 49%

Work

In labor force
64.8%
Unemployment
2.0%
Self-employed
11.9%
Farmers
2.3%

Community

Charitable givers
26.6%
Veterans
7.4%
With a disability
10.0%
No health insurance
3.6%
Limited English
0.1%

Source: uszips 2026 (ACS-based ZIP file). Shares are percentages of people, households or adults as the measure implies.

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