Eureka, Missouri
Eureka is a city in St. Louis County, Missouri, with an estimated population of 13,092 in 2023. It sits at 38.4985, -90.6454 in the America/Chicago time zone.
| Field | Value |
|---|---|
| Place name | Eureka |
| Type | city |
| State | Missouri (MO) |
| County | St. Louis County |
| Population (2023 est.) | 13,092 |
| Land area | 11.14 sq mi (28.85 km²) |
| Coordinates | 38.4985, -90.6454 |
| Time zone | America/Chicago |
| ZIP codes | 63025 |
This place also extends into Jefferson County.
ZIP codes and area codes for Eureka
Eureka covers 1 ZIP code: 63025. Browse all ZIP codes in Missouri for the full list.
Where is Eureka?
Eureka is located in Missouri, in St. Louis County. The coordinates above can be pasted directly into any map service. The nearest indexed places are listed below, which is a useful check when two states share a place name.
Nearby places
Wildwood 9 km · MOLake Tekakwitha 9 km · MOByrnes Mill 9 km · MOPacific 9 km · MOEllisville 11 km · MOBallwin 14 km · MOValley Park 14 km · MOWinchester 15 km · MO
Other places in St. Louis County
Florissant 51,128Chesterfield 49,166Wildwood 34,851University City 34,096Ballwin 30,410Kirkwood 29,174Maryland Heights 27,575Hazelwood 24,863Webster Groves 23,449Creve Coeur 18,457
Frequently asked questions
What county is Eureka, MO in?
Eureka is in St. Louis County, Missouri.
What is the population of Eureka, MO?
The 2023 Census Bureau estimate is 13,092.
What time zone is Eureka in?
Eureka is in the America/Chicago time zone.