City in Washington County, Missouri · 0.5 sq mi · 697 people per sq mi
371 people live in Irondale. The typical household earns $37,368, and the median resident is 35.4 years old.
2026 projection
From 368 in 2020
Poverty rate 32.96%
Men 35.5 · Women 34.9
2010–2026
371
2026 projection
0.8% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
2010–2026
371
2026 projection
0.8% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 371 | 0 | 0.00% |
|---|---|---|---|
| 2025 | 371 | +3 | 0.82% |
| 2024 | 368 | 0 | 0.00% |
| 2023 | 368 | +2 | 0.55% |
| 2022 | 366 | 0 | 0.00% |
| 2021 | 366 | -2 | 0.54% |
| 2020 | 368 | -5 | 1.34% |
| 2019 | 373 | -10 | 2.61% |
| 2018 | 383 | -12 | 3.04% |
| 2017 | 395 | -2 | 0.50% |
Showing 10 of 17 years.
The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.
Irondale is growing slower than Washington County, Missouri, and the U.S.
Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.
Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 6 people).
Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002
Half of households earn more, half earn less
Typical yearly pay for a worker 25 or older.
About 1 in 3 residents
44% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 44% | 45% | 42% |
| Never married | 35% | 40% | 28% |
| Divorced | 16% | 13% | 19% |
| Widowed | 2% | 0% | 4% |
| Separated | 4% | 2% | 7% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
14 sources