St. Marys, GA ZIP Codes
One ZIP code serves St. Marys, Georgia: 31558. Together they are home to 22,591 residents in 8,625 households.
St. Marys city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 19,166 |
| Households | 7,415 |
| Median household income | $74,288 |
| Median home value | $312,300 |
| Median age | 33.8 |
| Median rent | $1,183 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 22,591 |
| Households (sum of ZIP codes) | 8,625 |
| Median household income, range across ZIP codes | $74,268 (31558) to $74,268 (31558) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $74,268 |
| Homeowners | 58.8% |
| Households with kids under 18 | 36.6% |
| Moved in the past year | 17.8% |
| Carrier routes in EDDM2GO's route library | 13 routes, 9,635 homes (1 of 1 ZIP codes) |
Every ZIP code in St. Marys
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 31558 | Saint Marys | 22,591 | 8,625 | $74,268 | $297,000 | 58.8% | 36.6% | 17.8% | 13 | 10,195 | 32% of its land |
A ZIP code is listed for St. Marys when at least 10% of its land lies inside St. Marys city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is St. Marys. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside St. Marys.
Counties
- Camden County — 6 ZIP codes
Price a mailing to St. Marys ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in St. Marys, GA?
- 31558. A ZIP code is listed for St.
- What is the population of St. Marys, GA?
- The Census Bureau counts 19,166 residents inside St. Marys city limits (ACS 2020–2024). The 1 ZIP code that serve St. Marys hold 22,591 residents in all.
- What is the median household income in St. Marys, GA?
- $74,288 inside St. Marys city limits, per the Census Bureau. Across its ZIP codes the medians run from $74,268 to $74,268.
- How many carrier routes and mailboxes are in St. Marys, GA?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 13 carrier routes reaching 9,635 residential and 558 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.