South Lyon city, Michigan
Official LSAD Designation: South Lyon city • Census GEOID: 2675100
• Oakland County
South Lyon city is an incorporated city in Oakland County, Michigan. According to official records from the Census (2025), South Lyon city had an estimated population of 12,107 residents. Official Census Bureau geographic records classify this community under LSAD designation South Lyon city (GEOID 2675100).
Local Government Administration U.S. Census Bureau GMAF
City Of South Lyon
Municipal
Official Title:
Mayor
Address:
335 S WARREN ST, SOUTH LYON MI 48178-1317
County Of Oakland
County
Official Title:
Chief Of Fiscal Services
Address:
2100 PONTIAC LAKE RD, WATERFORD MI 48328
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 12,107 | 2025 |
| Median Household Income | $92,467 | 2020-2024 |
| Median Home Value | $294,600 | 2020-2024 |
| Land Area | 3.74 sq mi | Gazetteer (2026) |
| Civic & Public Services | Hospitals, Libraries, Colleges | CMS / IMLS / IPEDS |
| Schools & Districts | NCES Directory Listings | Provided by k12guides.com |
| Nearby Airports | Landing Facilities | Provided by airport-data.com |
| Climate & Weather | NOAA 30-Year Normals | 1991–2020 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).