Marthasville city, Missouri Demographics & Population 2026
As of 2026, Marthasville city, Missouri has a total population of 2,587, the 234th largest city in Missouri, with a median household income of $114,950, which is 67% higher than the state average. The poverty rate is 1.0%.
Key Takeaways
- Household income is 67% above the state average — one of the wealthiest communities in Missouri.
- An exceptionally low poverty rate of 1.0% — among the lowest in Missouri.
- Housing is very affordable with a home-value-to-income ratio of just 1.4x.
- Near full employment with an unemployment rate of just 0.6%.
Marthasville city Quick Facts
How Marthasville city Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
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: 39 | National average: 60
Education
Educational Attainment (Adults 25+)
Marthasville city Rankings in Missouri
Explore Missouri Rankings
Cities Similar to Marthasville city
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Terre du Lac CDP | 2,460 | $93,115 | $186,400 | 29.1% | 11.5% |
| Oronogo city | 2,685 | $81,111 | $186,300 | 28.8% | 7.9% |
| Lathrop city | 2,646 | $76,468 | $156,500 | 17.1% | 17.5% |
| Lake Ozark city | 2,451 | $80,476 | $308,700 | 40.9% | 15.8% |
| Weatherby Lake city | 2,465 | $168,125 | $486,000 | 61.5% | 3.1% |
Population Overview
Marthasville city is a small community located in Missouri. The total population is 2,587. It ranks as the 234th most populous out of 1,062 cities and towns in Missouri.
Age Demographics
The median age in Marthasville city is 30.2 years. This is 22% lower than the state median of 38.9 years. With 33.8% of the population under 18, Marthasville city has a notably young demographic profile, suggesting a family-oriented community.
Economy, Income & Housing
The median household income in Marthasville city is $114,950. This is 67% higher than the state median of $68,920. Compared to the national median of $78,538, household income here is 46% higher. The poverty rate stands at 1.0%. This is 92% 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 0.6%. This is 85% lower than the state rate of 4.1%. The median home value is $165,400. Housing costs are 23% lower than the state median of $215,600. With a home-value-to-income ratio of just 1.4x, Marthasville city is one of the most affordable housing markets in the area. 85.5% of occupied housing units are owner-occupied. This homeownership rate is 26% higher than the state average of 67.9%.
Race & Ethnicity
Marthasville city has a predominantly White (non-Hispanic) population, comprising 96.1% of all residents. Hispanic or Latino residents account for 2.5%. The Hispanic or Latino population (2.5%) is well below the state average of 5.1%.
Education
20.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 36% lower than the state rate of 31.9%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 95.8%.
Data Sources & Methodology
All demographic data for Marthasville city, Missouri is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. 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. For official data, visit data.census.gov.
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Frequently Asked Questions
What is the population of Marthasville city, Missouri?
Marthasville city, Missouri has a population of 2,587 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Marthasville city, MO?
The median household income in Marthasville city is $114,950, which is 46% higher the national median of $78,538.
What is the poverty rate in Marthasville city, MO?
The poverty rate in Marthasville city is 1.0%. This means approximately 25 residents live below the federal poverty line.
What is the racial makeup of Marthasville city, Missouri?
Marthasville city's population is 96.1% White, 0.0% Black, 2.5% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Marthasville city, MO?
The median home value in Marthasville city is $165,400. The home-value-to-income ratio is 1.4x.
How educated is Marthasville city, Missouri?
20.4% of adults (25+) in Marthasville city hold a bachelor's degree or higher, and 8.4% hold a graduate or professional degree.