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South Lyon city, MI

ZIP 48178 — People & Community

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Upper Middle ClassLow Snow AreaRemote Work Hub

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 48178

48178 has a population of 37,303 with a median age of 42.4 yrs (49.5% male).

Race & Ethnicity
White
90.5%+47% vs US avg
x
Black
1.1%-91% vs US avg
x
Asian
3.6%-39% vs US avg
x
Hispanic
3.4%-82% vs US avg
x
Other / Two+
1.5%
x
Age Groups
0–17
23.9%+9% vs US avg
x
18–64
58.8%-5% vs US avg
x
65+
17.3%+6% vs US avg
x
Education
Less than HS
2.1%-81% vs US avg
x
High school
16.9%-35% vs US avg
x
Some college
28.4%-2% vs US avg
x
Bachelor's+
52.6%+56% vs US avg
x
Marital Status
Married
62.7%+30% vs US avg
x
Never married
24.0%-29% vs US avg
x
Divorced
8.5%-17% vs US avg
x
Widowed / Separated
4.8%
x
Diversity Index
18/100

Higher = more diverse (Simpson index from race/ethnicity)

Social & household profile

Poverty, nativity, veterans, disability, family structure, and births (ACS).

Poverty Rate
4.1%-64% vs US avg
x
Foreign Born
33.6%+142% vs US avg
x
Veterans
3.7%-38% vs US avg
x
Disability
9.2%-31% vs US avg
x
Single Parent
4.4%-46% vs US avg
x
Recent Births
23.1%+298% vs US avg
x
Top ancestry
GermanEnglishPolish

Health & Community Indicators in 48178

Poverty Rate
4.1%-64% vs US avg
x
Veterans
3.7%-38% vs US avg
x
Foreign Born
33.6%+142% vs US avg
x
Single Parent
4.4%-46% vs US avg
x
Disability
9.2%-31% vs US avg
x
Uninsured
1.7%-79% vs US avg
x
SNAP Benefits
3.4%-71% vs US avg
x
Private School
0.4%-96% vs US avg
x
Recent Births
23.1%+298% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population37,303
Median age42.4
Poverty rate4.1%
Demographics statistics
Demographics
White90.5%
Hispanic3.4%
Black1.1%
Asian3.6%
Foreign-born33.6%