| ZIP Code | 48178 |
|---|---|
| City | South Lyon |
| State | Michigan (MI) |
| County | Oakland County |
| Area Code | 248/947 |
| Elevation | 923 ft |
| Latitude | 42.443769 |
|---|---|
| Longitude | -83.656913 |
| Timezone | Detroit (DST) |
| FIPS | 26125 |
| ZIP Type | Standard |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 42.4 yrs |
|---|---|
| Avg Household Size | 2.67 |
| Below Poverty | 4.1% ▼ 59% below avg |
| College Grads | 60.7% ▲ 57% above avg |
| Unemployment | 3.3% ▼ 34% below avg |
| No HS Diploma | 83 (0.3%) |
| HS Graduate | 4,080 (16.4%) |
| Some College | 2,337 (9.4%) |
| Associates | 3,282 (13.2%) |
| Bachelors | 2,077 (8.3%) |
| Graduate Degree | 13,027 (52.3%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $130,781 ▲ 71% above avg ↑ 30% since 2019 |
|---|---|
| Median Home Value | $392,300 ▲ 41% above avg ↑ 35% since 2019 |
| Home/Income Ratio | 3.0x (nat avg ~3.5x) |
| Median Rent | $1,231/mo ↑ 17% since 2019 |
| Total Units | 14,402 |
| Vacant Units | 482 |
| Avg HH Size | 2.67 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 14,402 |
|---|---|
| Vacant | 482 |
| Owner Occupied | 91.4% |
| Renter Occupied | 8.6% |
| Avg HH Size | 2.67 |
ZIP code 48178 is located in South Lyon, Michigan, within Oakland County. With a population of 37,303, this is a highly populated ZIP code with a middle-aged community — the median age is 42.4 years. Economically, 48178 is a upper-middle-income ZIP code: the median household income of $130,781 is significantly above the national average.
Real estate in ZIP code 48178 represents a mid-range housing market. The median home value of $392,300 is above the national average. Renters can expect to pay around $1,231 per month in median rent. Homeownership is strong here — 91.4% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 35% since 2019.
The population of 48178 is primarily White (88.20%). Residents are highly educated — 60.7% hold a bachelor's degree or higher, which is significantly above the national average. Poverty affects a relatively small share of residents at 4.1%. Household income has grown by 30% since 2019.
The unemployment rate in 48178 stands at 3.3%, which is below the national average. About 17% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 77%.
Overall, ZIP code 48178 in South Lyon, MI is characterized as upper-middle-income, highly educated, a middle-aged community, and predominantly owner-occupied. With 37,303 residents, a median household income of $130,781, and a median home value of $392,300, it offers a clear picture of life in this part of Michigan.