South Lyon, MI ZIP Codes
One ZIP code serves South Lyon, Michigan: 48178. Together they are home to 37,789 residents in 13,953 households. That is more than the 11,950 people counted inside South Lyon city limits, because these ZIP codes reach past its boundary.
South Lyon city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 11,950 |
| Households | 4,976 |
| Median household income | $92,467 |
| Median home value | $294,600 |
| Median age | 41.8 |
| Median rent | $1,310 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 37,789 |
| Households (sum of ZIP codes) | 13,953 |
| Median household income, range across ZIP codes | $131,558 (48178) to $131,558 (48178) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $131,558 |
| Homeowners | 91.2% |
| Households with kids under 18 | 32.2% |
| Moved in the past year | 9.2% |
| Carrier routes in EDDM2GO's route library | 26 routes, 15,616 homes (1 of 1 ZIP codes) |
Every ZIP code in South Lyon
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 48178 | South Lyon | 37,789 | 13,953 | $131,558 | $410,500 | 91.2% | 32.2% | 9.2% | 26 | 16,043 | 8% of its land; mailing city |
A ZIP code is listed for South Lyon when at least 10% of its land lies inside South Lyon city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is South Lyon. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside South Lyon.
Counties
- Oakland County — 68 ZIP codes
Nearby cities sharing these ZIP codes
- Whitmore Lake — 2 ZIP codes
Price a mailing to South Lyon ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in South Lyon, MI?
- 48178. A ZIP code is listed for South Lyon when at least 10% of its land lies inside South Lyon city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is South Lyon.
- What is the population of South Lyon, MI?
- The Census Bureau counts 11,950 residents inside South Lyon city limits (ACS 2020–2024). The 1 ZIP code that serve South Lyon hold 37,789 residents in all.
- What is the median household income in South Lyon, MI?
- $92,467 inside South Lyon city limits, per the Census Bureau. Across its ZIP codes the medians run from $131,558 to $131,558.
- How many carrier routes and mailboxes are in South Lyon, MI?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 26 carrier routes reaching 15,616 residential and 427 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.