St. Martin, Mississippi Demographics & Population 2026
During the 2020–2024 ACS period, St. Martin, Mississippi had a total population of 8,139, the 49th largest community in Mississippi, with a median household income of $55,000, which is 3% lower than the state average. The poverty rate is 17.2%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
St. Martin Quick Facts
How St. Martin Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 7,797 | 8,139 | +4.4% |
| Median household income | $53,488 | $55,000 | +2.8% |
| Median home value | $171,300 | $172,400 | +0.6% |
How St. Martin Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
Moderate diversity with one or two groups making up the majority.
State average: 56 | National average: 61
Education
Educational Attainment (Adults 25+)
St. Martin Rankings in Mississippi
Explore Mississippi Rankings
Other Cities in Jackson County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Pascagoula | 21,710 | $52,222 | 24.4% | $144,700 |
| Gautier | 19,046 | $61,926 | 17.5% | $166,400 |
| Ocean Springs | 18,646 | $79,712 | 5.5% | $259,400 |
| Moss Point | 11,957 | $44,296 | 20.0% | $110,100 |
| Gulf Hills | 8,451 | $72,839 | 10.9% | $203,700 |
| Latimer | 6,756 | $70,237 | 16.1% | $189,400 |
| Gulf Park Estates | 6,264 | $65,556 | 5.0% | $212,500 |
| Vancleave | 5,078 | $70,313 | 6.2% | $247,400 |
| Escatawpa | 3,494 | $40,109 | 20.8% | $107,900 |
| Hurley | 1,305 | $133,216 | 12.6% | $282,700 |
Cities Similar to St. Martin
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Senatobia | 8,380 | $54,167 | $212,100 | 29.0% | 26.4% |
| New Albany | 7,663 | $51,332 | $161,400 | 25.8% | 14.8% |
| Batesville | 7,387 | $51,727 | $222,400 | 29.9% | 21.9% |
| Booneville | 9,246 | $50,879 | $136,700 | 28.4% | 15.1% |
| Gulf Hills | 8,451 | $72,839 | $203,700 | 37.0% | 10.9% |
Population Overview
St. Martin is a small city located in Mississippi, within Jackson County. The total population is 8,139. It ranks as the 49th most populous out of 420 Census-designated places in Mississippi.
Age Demographics
The median age in St. Martin is 37.3 years. This is 3% lower than the state median of 38.6 years.
Economy, Income & Housing
The median household income in St. Martin is $55,000. This is 3% lower than the state median of $56,447. It is also 32% lower than the national median of $80,734. The poverty rate stands at 17.2%. This is 9% lower than the state poverty rate of 18.9%. The unemployment rate is 6.7%. This is 17% higher than the state rate of 5.8%. The median home value is $172,400. Housing costs are 2% higher than the state median of $169,800. The home-value-to-income ratio is 3.1x. 53.9% of occupied housing units are owner-occupied. This homeownership rate is 23% lower than the state average of 70.0%.
Race & Ethnicity
The largest racial or ethnic group in St. Martin is White (non-Hispanic), making up 71.6% of the population. Black or African American residents account for 13.6%. The Black or African American population (13.6%) is well below the state average of 36.3%. The Hispanic or Latino population is significantly higher than the state average (5.6% vs 3.7%). The Asian population is significantly higher than the state average (5.7% vs 1.0%).
Education
17.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 31% lower than the state rate of 25.1%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 78.8%.
Data Sources & Methodology
All demographic data for St. Martin, Mississippi is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Mississippi state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 420 Census-designated places in Mississippi. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of St. Martin, Mississippi?
St. Martin, Mississippi has a population of 8,139 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in St. Martin, MS?
The median household income in St. Martin is $55,000, which is 32% lower than the national median of $80,734.
What is the poverty rate in St. Martin, MS?
The poverty rate in St. Martin is 17.2%. This means approximately 1,371 residents live below the federal poverty line.
What is the racial makeup of St. Martin, Mississippi?
St. Martin's population is 71.6% White, 13.6% Black, 5.6% Hispanic/Latino, and 5.7% Asian.
What is the median home value in St. Martin, MS?
The median home value in St. Martin is $172,400. The home-value-to-income ratio is 3.1x.
How educated is St. Martin, Mississippi?
17.3% of adults (25+) in St. Martin hold a bachelor's degree or higher, and 3.7% hold a graduate or professional degree.