Marthasville, Missouri Demographics & Population 2026
During the 2020–2024 ACS period, Marthasville, Missouri had a total population of 2,328, the 250th largest city in Missouri, with a median household income of $112,083, which is 59% higher than the state average. The poverty rate is 2.6%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 59% above the state average — one of the wealthiest communities in Missouri.
- An exceptionally low poverty rate of 2.6% — among the lowest in Missouri.
- Housing is very affordable with a home-value-to-income ratio of just 1.6x.
- Near full employment with an unemployment rate of just 1.1%.
Marthasville Quick Facts
How Marthasville 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 | 2,587 | 2,328 | -10.0% |
| Median household income | $114,950 | $112,083 | -2.5% |
| Median home value | $165,400 | $182,900 | +10.6% |
How Marthasville 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+)
Marthasville Rankings in Missouri
Explore Missouri Rankings
Other Cities in Warren County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Warrenton | 9,066 | $61,031 | 14.6% | $204,800 |
| Wright City | 5,240 | $80,152 | 5.8% | $238,800 |
| Truesdale | 990 | $58,750 | 10.9% | $214,300 |
| Innsbrook | 843 | $150,833 | 3.7% | $492,400 |
| Pendleton | 23 | $111,250 | 0.0% | $275,000 |
| Three Creeks | 3 | N/A | 0.0% | N/A |
Cities Similar to Marthasville
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Village of Four Seasons | 2,252 | $89,635 | $365,400 | 38.8% | 10.9% |
| Weatherby Lake | 2,401 | $152,500 | $533,000 | 64.6% | 3.4% |
| Lake Ozark | 2,335 | $74,176 | $278,100 | 39.3% | 18.6% |
| Terre du Lac | 2,516 | $86,019 | $199,300 | 27.1% | 6.4% |
| Lake Lotawana | 2,442 | $165,962 | $564,100 | 62.7% | 2.3% |
Population Overview
Marthasville is a small community located in Missouri, within Warren County. The total population is 2,328. It ranks as the 250th most populous out of 1,062 Census-designated places in Missouri.
Age Demographics
The median age in Marthasville is 30.5 years. This is 22% lower than the state median of 39.0 years. With 33.8% of the population under 18, Marthasville has a notably young demographic profile, suggesting a family-oriented community.
Economy, Income & Housing
The median household income in Marthasville is $112,083. This is 59% higher than the state median of $70,702. It is also 39% higher than the national median of $80,734. The poverty rate stands at 2.6%. This is 79% lower than the state poverty rate of 12.6%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 1.1%. This is 72% lower than the state rate of 4.0%. The median home value is $182,900. Housing costs are 21% lower than the state median of $230,300. With a home-value-to-income ratio of just 1.6x, Marthasville is one of the most affordable housing markets in the area. 82.8% of occupied housing units are owner-occupied. This homeownership rate is 22% higher than the state average of 68.1%.
Race & Ethnicity
Marthasville has a predominantly White (non-Hispanic) population, comprising 94.8% of all residents. Hispanic or Latino residents account for 2.4%. The Hispanic or Latino population (2.4%) is well below the state average of 5.2%.
Education
20.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 38% lower 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 96.7%.
Data Sources & Methodology
All demographic data for Marthasville, 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 Marthasville, Missouri?
Marthasville, Missouri has a population of 2,328 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Marthasville, MO?
The median household income in Marthasville is $112,083, which is 39% higher than the national median of $80,734.
What is the poverty rate in Marthasville, MO?
The poverty rate in Marthasville is 2.6%. This means approximately 61 residents live below the federal poverty line.
What is the racial makeup of Marthasville, Missouri?
Marthasville's population is 94.8% White, 0.0% Black, 2.4% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Marthasville, MO?
The median home value in Marthasville is $182,900. The home-value-to-income ratio is 1.6x.
How educated is Marthasville, Missouri?
20.1% of adults (25+) in Marthasville hold a bachelor's degree or higher, and 8.1% hold a graduate or professional degree.