Irondale, Missouri Demographics & Population 2026
During the 2020–2024 ACS period, Irondale, Missouri had a total population of 622, the 471st largest city in Missouri, with a median household income of $37,368, which is 47% lower than the state average. The poverty rate is 33.0%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 47% below the state average, indicating significant economic challenges.
- More than 1 in 4 residents live below the poverty line (33.0%), well above the national average of 12.4%.
- Only 3.8% of adults have a bachelor's degree, well below the national average of 35.7%.
- Unemployment rate of 10.7% is notably above the national average.
Irondale Quick Facts
How Irondale 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 | 534 | 622 | +16.5% |
| Median household income | $31,750 | $37,368 | +17.7% |
| Median home value | $100,000 | $99,300 | -0.7% |
How Irondale 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+)
Irondale Rankings in Missouri
Explore Missouri Rankings
Other Cities in Washington County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Potosi | 2,544 | $39,846 | 25.0% | $110,100 |
| Mineral Point | 324 | $41,394 | 21.4% | $47,500 |
| Caledonia | 209 | $60,417 | 12.0% | $55,300 |
Cities Similar to Irondale
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Lowry City | 618 | $41,250 | $82,200 | 6.9% | 26.9% |
| Green City | 658 | $36,300 | $106,300 | 5.7% | 22.0% |
| Vienna | 661 | $38,221 | $159,400 | 16.6% | 26.4% |
| Fair Play | 595 | $40,781 | $105,600 | 2.8% | 23.4% |
| Parkway | 624 | $44,479 | $192,900 | 14.6% | 15.5% |
A note before these figures: with a population of 622, Irondale'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
Irondale is a small community located in Missouri, within Washington County. The total population is 622. It ranks as the 471st most populous out of 1,062 Census-designated places in Missouri.
Age Demographics
The median age in Irondale is 35.4 years. This is 9% lower than the state median of 39.0 years. With 30.4% of the population under 18, Irondale has a notably young demographic profile, suggesting a family-oriented community.
Economy, Income & Housing
The median household income in Irondale is $37,368. This is 47% lower than the state median of $70,702. It is also 54% lower than the national median of $80,734. The poverty rate stands at 33.0%. This is 162% higher than the state poverty rate of 12.6%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The unemployment rate is 10.7%. This is 165% higher than the state rate of 4.0%. The median home value is $99,300. Housing costs are 57% lower than the state median of $230,300. With a home-value-to-income ratio of just 2.7x, Irondale is one of the most affordable housing markets in the area. 88.6% of occupied housing units are owner-occupied. This homeownership rate is 30% higher than the state average of 68.1%.
Race & Ethnicity
Irondale has a predominantly White (non-Hispanic) population, comprising 92.0% of all residents.
Education
3.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 88% 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 77.4%.
Data Sources & Methodology
All demographic data for Irondale, 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 Irondale, Missouri?
Irondale, Missouri has a population of 622 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Irondale, MO?
The median household income in Irondale is $37,368, which is 54% lower than the national median of $80,734.
What is the poverty rate in Irondale, MO?
The poverty rate in Irondale is 33.0%. This means approximately 205 residents live below the federal poverty line.
What is the racial makeup of Irondale, Missouri?
Irondale's population is 92.0% White, 0.0% Black, 0.0% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Irondale, MO?
The median home value in Irondale is $99,300. The home-value-to-income ratio is 2.7x.
How educated is Irondale, Missouri?
3.8% of adults (25+) in Irondale hold a bachelor's degree or higher, and 0.0% hold a graduate or professional degree.