Bay St. Louis, MS ZIP Codes
One ZIP code serves Bay St. Louis, Mississippi: 39520. Together they are home to 15,561 residents in 7,213 households. That is more than the 10,188 people counted inside Bay St. Louis city limits, because these ZIP codes reach past its boundary.
Bay St. Louis city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 10,188 |
| Households | 5,088 |
| Median household income | $67,442 |
| Median home value | $260,200 |
| Median age | 53.3 |
| Median rent | $1,179 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 15,561 |
| Households (sum of ZIP codes) | 7,213 |
| Median household income, range across ZIP codes | $62,176 (39520) to $62,176 (39520) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $62,176 |
| Homeowners | 75.0% |
| Households with kids under 18 | 25.7% |
| Moved in the past year | 12.6% |
| Carrier routes in EDDM2GO's route library | 10 routes, 7,054 homes (1 of 1 ZIP codes) |
Every ZIP code in Bay St. Louis
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 39520 | Bay Saint Louis | 15,561 | 7,213 | $62,176 | $225,600 | 75.0% | 25.7% | 12.6% | 10 | 7,524 | 15% of its land |
A ZIP code is listed for Bay St. Louis when at least 10% of its land lies inside Bay St. Louis city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Bay St. Louis. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Bay St. Louis.
Counties
- Hancock County — 9 ZIP codes
Nearby cities sharing these ZIP codes
- Waveland — 2 ZIP codes
Price a mailing to Bay St. Louis ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Bay St. Louis, MS?
- 39520. A ZIP code is listed for Bay St.
- What is the population of Bay St. Louis, MS?
- The Census Bureau counts 10,188 residents inside Bay St. Louis city limits (ACS 2020–2024). The 1 ZIP code that serve Bay St. Louis hold 15,561 residents in all.
- What is the median household income in Bay St. Louis, MS?
- $67,442 inside Bay St. Louis city limits, per the Census Bureau. Across its ZIP codes the medians run from $62,176 to $62,176.
- How many carrier routes and mailboxes are in Bay St. Louis, MS?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 10 carrier routes reaching 7,054 residential and 495 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.