Saint Marys, GA

Single-footprint Census roll-up for Saint Marys, GA: 1 USPS ZIP, population 20,373. 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-MARYS-GA · Saint Marys, GA 1 ZIPs · 20,373 pop · #11400/25278 · Camden County

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

  • INC-MID $74,268
  • RANK-MID #11400/25278
  • PHOTO-FINISH ≈ Kingsland
  • BOOK-ONE 1 ZIP
  • OWN-LOW 59% owners
  • POP-TOWN 20,373
  • SPREAD-UNK Single-ZIP book
  • HOME-MID $297,000

Nearest income peer: Kingsland, GA (+ $1,536 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 Marys

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

Top 45%
household income vs 25,278 US cities
20,373
city population (Census)
1
USPS ZIP codes covered
$74,268
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 31558 (20,373 residents). Household income $74,268 is the roll-up; open the ZIP for tenure and commute.

Owner-occupancy is comparatively low (58.8%) for this income tier, rent $1,265 may matter more than the home-value average.

Within Georgia, Jackson is the closest lower-income city and Chickamauga the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Saint Marys.

Population concentration

Saint Marys reads through its lone ZIP, 31558

20,373 ACS residents, one ZIP: 31558 is not the leading code inside Saint Marys, 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 Saint Marys's one ZIP

Citywide ZBP: 395 establishments, 3,822 employees , annual payroll $143,189k (~19 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 31558 (395 units) ; leading NAICS Health care and social assistance (66) · also Retail trade · Other services (except public administration) .

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ZIP Codes in Saint Marys, GA

These ZIP codes sit in Camden County, which covers 6 ZIP codes in all; 1 of them fall in Saint Marys. See the Camden County roll-up →

Saint Marys sits in the upper half of Camden County on income: Woodbine and Waverly report less, while White Oak reports more. Waverly marks the far end of that range at $61,778, 17% below Saint Marys.

ZIP Code Population Median income Establishments Density
31558 20,373 $74,268 395 104

Saint Marys 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 Marys, .