City in Hancock County, Mississippi · 14.7 sq mi · 743 people per sq mi
About 11,000 people live in Bay St. Louis. The typical household earns $67,442, and the median resident is 53.3 years old.
2026 projection
From 9,438 in 2020
Poverty rate 14.51%
Men 53.6 · Women 53
1880–2026
10,912
2026 projection
15.6% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
1880–2026
10,912
2026 projection
15.6% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 10,912 | +278 | 2.61% |
|---|---|---|---|
| 2025 | 10,634 | +82 | 0.78% |
| 2024 | 10,552 | +31 | 0.29% |
| 2023 | 10,521 | -56 | 0.53% |
| 2022 | 10,577 | +618 | 6.21% |
| 2021 | 9,959 | +521 | 5.52% |
| 2020 | 9,438 | -4,606 | 32.80% |
| 2019 | 14,044 | +527 | 3.90% |
| 2018 | 13,517 | +486 | 3.73% |
| 2017 | 13,031 | +486 | 3.87% |
Showing 10 of 30 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 102 people).
Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002
Half of households earn more, half earn less
Typical yearly pay for a worker 25 or older.
About 1 in 7 residents
59% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 59% | 63% | 55% |
| Never married | 20% | 20% | 19% |
| Divorced | 13% | 12% | 13% |
| Widowed | 6% | 2% | 10% |
| Separated | 3% | 3% | 4% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau