St. Martins, Missouri Demographics & Population 2026
During the 2020–2024 ACS period, St. Martins, Missouri had a total population of 1,228, the 345th largest city in Missouri, with a median household income of $89,250, which is 26% higher than the state average. The poverty rate is 5.0%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- 39.3% of adults hold a bachelor's degree or higher — top 10% in Missouri.
- Near full employment with an unemployment rate of just 2.1%.
St. Martins Quick Facts
How St. Martins 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 | 1,195 | 1,228 | +2.8% |
| Median household income | $78,125 | $89,250 | +14.2% |
| Median home value | $225,000 | $242,400 | +7.7% |
How St. Martins 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
A less diverse community where one racial or ethnic group represents a large majority.
State average: 40 | National average: 61
Education
Educational Attainment (Adults 25+)
St. Martins Rankings in Missouri
Explore Missouri Rankings
Other Cities in Cole County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Jefferson City | 42,488 | $66,371 | 12.0% | $218,700 |
| Wardsville | 1,579 | $121,222 | 2.5% | $329,500 |
| Taos | 1,242 | $98,854 | 2.5% | $270,500 |
| Russellville | 833 | $56,750 | 5.3% | $166,500 |
| Centertown | 297 | $46,875 | 10.4% | $143,400 |
| Lohman | 243 | $89,167 | 11.9% | $218,800 |
| St. Thomas | 228 | $89,688 | 3.1% | $212,000 |
| Eugene | 158 | $58,846 | 17.7% | N/A |
Cities Similar to St. Martins
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Loma Linda | 1,239 | $92,292 | $275,700 | 34.2% | 13.4% |
| Summer Set | 1,236 | $98,167 | $238,400 | 33.4% | 1.1% |
| Taos | 1,242 | $98,854 | $270,500 | 31.4% | 2.5% |
| Pasadena Hills | 1,190 | $70,341 | $252,800 | 52.5% | 4.2% |
| Stanberry | 1,235 | $62,639 | $98,000 | 23.6% | 19.0% |
Population Overview
St. Martins is a small community located in Missouri, within Cole County. The total population is 1,228. It ranks as the 345th most populous out of 1,062 Census-designated places in Missouri.
Age Demographics
The median age in St. Martins is 38.1 years. This is 2% lower than the state median of 39.0 years.
Economy, Income & Housing
The median household income in St. Martins is $89,250. This is 26% higher than the state median of $70,702. It is also 11% higher than the national median of $80,734. The poverty rate stands at 5.0%. This is 60% lower than the state poverty rate of 12.6%. The unemployment rate is 2.1%. This is 49% lower than the state rate of 4.0%. The median home value is $242,400. Housing costs are 5% higher than the state median of $230,300. With a home-value-to-income ratio of just 2.7x, St. Martins is one of the most affordable housing markets in the area. 82.0% of occupied housing units are owner-occupied. This homeownership rate is 20% higher than the state average of 68.1%.
Race & Ethnicity
St. Martins has a predominantly White (non-Hispanic) population, comprising 90.1% of all residents. Hispanic or Latino residents account for 2.9%. The Black or African American population (0.1%) is well below the state average of 10.9%. The Asian population (0.7%) is well below the state average of 2.1%.
Education
39.3% of residents aged 25 and older hold a bachelor's degree or higher. This places St. Martins in the top 10% of all cities in the state for educational attainment. This is 21% higher than the state rate of 32.4%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 94.6%.
Data Sources & Methodology
All demographic data for St. Martins, Missouri 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 Missouri state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,062 Census-designated places in Missouri. 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. Martins, Missouri?
St. Martins, Missouri has a population of 1,228 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in St. Martins, MO?
The median household income in St. Martins is $89,250, which is 11% higher than the national median of $80,734.
What is the poverty rate in St. Martins, MO?
The poverty rate in St. Martins is 5.0%. This means approximately 61 residents live below the federal poverty line.
What is the racial makeup of St. Martins, Missouri?
St. Martins's population is 90.1% White, 0.1% Black, 2.9% Hispanic/Latino, and 0.7% Asian.
What is the median home value in St. Martins, MO?
The median home value in St. Martins is $242,400. The home-value-to-income ratio is 2.7x.
How educated is St. Martins, Missouri?
39.3% of adults (25+) in St. Martins hold a bachelor's degree or higher, and 14.9% hold a graduate or professional degree.