South Lyon, MI 48178 ZIP Code Profile

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South Lyon, MI

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ZIP Code 48178: Basic Data & USPS Preferred City Name

Preferred Name, USPS
South Lyon, MI 48178

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 662
  • Single Family Addresses: 12,733
  • Multi-Family Addresses: 381
  • County: Oakland County
  • Centroid: Latitude 42.448, Longitude -83.662
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

ZIP Code 48178 has segments in 3 Counties (Livingston, Oakland, Washtenaw).

Neighborhood Data

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48178 ZIP Code Map

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South Lyon, MI 48178 Data & Demographics (As of July 1, 2016)


Total Population 31,871
Population in Households 31,778
Population in Familes 27,266
Population in Group Qrtrs 93
Population Density1 671
Diversity Index2 15


Total Households 11,945
Average Household Size 2.66
Family Households 8,569
Average Family Size 3


Total Housing Units 12,650 (100%)
Owner Occupied HU 10,269 (81.2%)
Renter Occupied HU 1,676 (13.2%)
Vacant Housing Units 705 ( 5.6%)
Median Home Value $225,901
Average Home Value $256,196


Median Household Income $74,843
Average Household Income $94,515
Per Capita Income $35,505
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 1.84% 1.43%
Households 1.77% 1.41%
Families 1.68% 1.35%
Median Household Income   3.05%
Per Capita Income   2.14%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

South Lyon, MI 48178 - Peer Comparisons by Rank and Percentile

The table below compares 48178 to the other 987 ZIP Codes in Michigan by rank and percentile using July 1, 2016 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 74 93rd
Population Density1 # 259 74th
Diversity Index2 # 517 47th
Median Household Income # 71 93rd
Per Capita Income # 89 91st

Additional comparisons and rankings can be made with a VERY EASY TO USE Michigan Census Data Comparison Tool.