Armstrong, Missouri Demographics & Population 2026
During the 2020–2024 ACS period, Armstrong, Missouri had a total population of 416, the 563rd largest city in Missouri, with a median household income of $59,063, which is 16% lower than the state average. The poverty rate is 10.3%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Only 5.5% of adults have a bachelor's degree, well below the national average of 35.7%.
- Housing is very affordable with a home-value-to-income ratio of just 1.0x.
Armstrong Quick Facts
How Armstrong 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 | 340 | 416 | +22.4% |
| Median household income | $39,667 | $59,063 | +48.9% |
How Armstrong 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+)
Armstrong Rankings in Missouri
Explore Missouri Rankings
Other Cities in Howard County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Fayette | 2,801 | $57,679 | 16.9% | $146,700 |
| New Franklin | 1,170 | $55,066 | 16.0% | $139,500 |
| Glasgow | 1,118 | $50,446 | 11.9% | $122,600 |
| Franklin | 66 | $55,625 | 9.1% | N/A |
Cities Similar to Armstrong
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Westphalia | 415 | $61,136 | $202,600 | 33.8% | 4.8% |
| Essex | 413 | $62,536 | $108,700 | 5.1% | 24.6% |
| Sunrise Beach | 413 | $55,625 | $207,100 | 28.6% | 9.0% |
| Montrose | 425 | $61,375 | $92,500 | 14.1% | 8.1% |
| Bent Tree Harbor | 391 | N/A | $102,800 | 0.0% | 29.2% |
A note before these figures: with a population of 416, Armstrong's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.
Population Overview
Armstrong is a small community located in Missouri, within Howard County. The total population is 416. It ranks as the 563rd most populous out of 1,062 Census-designated places in Missouri.
Age Demographics
The median age in Armstrong is 31.8 years. This is 18% lower than the state median of 39.0 years. With 37.7% of the population under 18, Armstrong has a notably young demographic profile, suggesting a family-oriented community.
Economy, Income & Housing
The median household income in Armstrong is $59,063. This is 16% lower than the state median of $70,702. It is also 27% lower than the national median of $80,734. The poverty rate stands at 10.3%. This is 18% lower than the state poverty rate of 12.6%. The unemployment rate is 3.6%. This is 10% lower than the state rate of 4.0%. The median home value is $57,500. Housing costs are 75% lower than the state median of $230,300. With a home-value-to-income ratio of just 1.0x, Armstrong is one of the most affordable housing markets in the area. 86.3% of occupied housing units are owner-occupied. This homeownership rate is 27% higher than the state average of 68.1%.
Race & Ethnicity
Armstrong has a predominantly White (non-Hispanic) population, comprising 92.8% of all residents. Black or African American residents account for 1.9%. The Black or African American population (1.9%) is well below the state average of 10.9%. The Hispanic or Latino population (1.0%) is well below the state average of 5.2%.
Education
5.5% of residents aged 25 and older hold a bachelor's degree or higher. This is 83% 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 92.4%.
Data Sources & Methodology
All demographic data for Armstrong, 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 Armstrong, Missouri?
Armstrong, Missouri has a population of 416 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Armstrong, MO?
The median household income in Armstrong is $59,063, which is 27% lower than the national median of $80,734.
What is the poverty rate in Armstrong, MO?
The poverty rate in Armstrong is 10.3%. This means approximately 43 residents live below the federal poverty line.
What is the racial makeup of Armstrong, Missouri?
Armstrong's population is 92.8% White, 1.9% Black, 1.0% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Armstrong, MO?
The median home value in Armstrong is $57,500. The home-value-to-income ratio is 1.0x.
How educated is Armstrong, Missouri?
5.5% of adults (25+) in Armstrong hold a bachelor's degree or higher, and 1.7% hold a graduate or professional degree.