Eureka, MO Demographics
Eureka, MO is the 76th most populous of 1082 cities in Missouri, with 11,646 residents across 11 square miles. That is about 1,054 people per square mile.
At the 2020 census
| Population | 11,646 |
|---|---|
| Land area | 11 sq mi |
| Density | 1,054 / sq mi |
Data: 2020 Census · American Community Survey 2024
How Eureka, MO compares to the US
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About this page
City statistics cover the municipal boundary only, not the wider metro area.
Figures come from the 2020 census and the American Community Survey, compared against national averages.