PlainZIP

South Lyon, MI

Single-footprint Census roll-up for South Lyon, MI: 1 USPS ZIP, population 29,320. Open the primary ZIP for household income, housing tenure, and commute from ACS 2023 5-Year Estimates.

U.S. Census Bureau, SimpleMaps US ZIP Code Database, delivery-area ZIP coverage

ACS city ledger plate

Sheet SOUTH-LYON-MI · South Lyon, MI 1 ZIPs · 29,320 pop · #1502/25278 · Washtenaw County

INC-TOP · RANK-TOP · PHOTO-FINISH · BOOK-ONE · OWN-HIGH · POP-SMALL · SPREAD-UNK · HOME-HIGH

  • INC-TOP $131,558
  • RANK-TOP #1502/25278
  • PHOTO-FINISH ≈ Dexter
  • BOOK-ONE 1 ZIP
  • OWN-HIGH 91% owners
  • POP-SMALL 29,320
  • SPREAD-UNK Single-ZIP book
  • HOME-HIGH $410,500

Nearest income peer: Dexter, MI ( $2,304 income $)

Instrument codes from this city’s ACS household income, national rank, county-peer gap, ZIP book, owner tenure, population scale, intra-city income spread, and home-value band, not a moving recommendation.

Income neighbourhood around South Lyon

Lowest/highest poles plus county-sharing cities nearest South Lyon on average ZIP median household income. Full ladder: /cities.

median HH income

What this shows County-sharing peers only, not the full US city board. Open a near peer when the gap is small; open the poles when the mosaic is wide.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2026-08-25

National city placement

According to ACS 5-Year Estimates, South Lyon, MI sits among US cities with a top-decile household income, on a small-city population base, across a single-ZIP footprint.

Top 6%
household income vs 25,278 US cities
29,320
city population (Census)
1
USPS ZIP codes covered
$131,558
avg ZIP median income

Income percentile ranks this city's average ZIP median household income against 25,278 US cities with ACS income on at least one ZIP. Scale and ZIP-spread words come from Census population and USPS ZIP coverage.

High-income footprint on only 1 ZIP: the city page and the ZIP page nearly coincide. Headline income $131,558 and home value $410,500 should be read as near-neighborhood numbers ; bachelor's attainment averages 54.4%.

Owner-occupancy here runs high (91.2%) - tenure is stable enough that the ZIP detail's owner share is the right next click, not a renter-heavy compare.

Within Michigan, Rochester is the closest lower-income city and Pointe Aux Pins the closest higher-income city by average ZIP household income. Their 3 and 1 ZIP footprints are the immediate statewide comparison set for South Lyon.

Population concentration

South Lyon reads through its lone ZIP, 48178

29,320 ACS residents, one ZIP: 48178 is not the leading code inside South Lyon, it is the only one on file. Treat the ZIP page as the primary source for anything below the city-wide total.

Census ZBP business roll-up

Mid-pack ZBP load on South Lyon's one ZIP

Citywide ZBP: 632 establishments, 4,611 employees , annual payroll $211,378k (~22 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 48178 (632 units) ; leading NAICS Construction (100) · also Health care and social assistance · Professional, scientific, and technical services .

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ZIP Codes in South Lyon, MI

These ZIP codes sit in Washtenaw County, which covers 17 ZIP codes in all; 1 of them fall in South Lyon. See the Washtenaw County roll-up →

No other city sharing Washtenaw County reports a higher average ZIP median income than South Lyon. Ann Arbor, Ypsilanti and Northville sit below it, so a household comparing this county on income alone starts here. Ypsilanti marks the far end of that range at $68,532, 48% below South Lyon.

ZIP Code Population Median income Establishments Density
48178 29,320 $131,558 632 224
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

South Lyon roll-ups here are for informational purposes only and do not constitute financial or relocation advice. ACS and Census ZBP figures are estimates; confirm the current table against Census before a money or move decision involving South Lyon, .