PlainZIP

Saint Clair, MI

Single-footprint Census roll-up for Saint Clair, MI: 1 USPS ZIP, population 12,304. 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 SAINT-CLAIR-MI · Saint Clair, MI 1 ZIPs · 12,304 pop · #9275/25278 · St. Clair County

INC-HIGH · RANK-UPPER · PHOTO-FINISH · BOOK-ONE · OWN-MID · POP-TOWN · SPREAD-UNK · HOME-MID

  • INC-HIGH $79,891
  • RANK-UPPER #9275/25278
  • PHOTO-FINISH ≈ Fort Gratiot
  • BOOK-ONE 1 ZIP
  • OWN-MID 82% owners
  • POP-TOWN 12,304
  • SPREAD-UNK Single-ZIP book
  • HOME-MID $293,000

Nearest income peer: Fort Gratiot, MI (+ $171 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 Saint Clair

Lowest/highest poles plus county-sharing cities nearest Saint Clair 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, Saint Clair, MI sits among US cities with an above-median household income, on a town-scale population base, across a single-ZIP footprint.

Top 37%
household income vs 25,278 US cities
12,304
city population (Census)
1
USPS ZIP codes covered
$79,891
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.

Above-median income on a short ZIP list (1) - lead code 48079 (12,304 residents). Household income $79,891 is the roll-up; open the ZIP for tenure and commute.

Owner-occupancy sits in a mixed band (82.1%) - check the ZIP page's tenure split before treating Saint Clair as a pure owner town.

Within Michigan, Clinton is the closest lower-income city and New Lothrop the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Saint Clair.

Population concentration

One ZIP, 48079, is all of Saint Clair

There is no split to weigh here: 48079 holds every one of Saint Clair's 12,304 ACS residents. City-level and ZIP-level numbers on this site are the same number twice, check the ZIP page for the income/tenure/commute breakdown.

Census ZBP business roll-up

Mid-pack ZBP load on Saint Clair's one ZIP

Citywide ZBP: 288 establishments, 4,103 employees , annual payroll $244,627k (~23 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 48079 (288 units) ; leading NAICS Construction (42) · also Retail trade · Health care and social assistance .

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ZIP Codes in Saint Clair, MI

These ZIP codes sit in St. Clair County, which covers 21 ZIP codes in all; 1 of them fall in Saint Clair. See the St. Clair County roll-up →

Saint Clair sits in the upper half of St. Clair County on income: Port Huron, Algonac and Marysville report less, while Marine City, East China and North Street report more. Port Huron marks the far end of that range at $53,018, 34% below Saint Clair.

ZIP Code Population Median income Establishments Density
48079 12,304 $79,891 288 114
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Saint Clair 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 Saint Clair, .