Eureka, Missouri

38°30′10″N 90°38′42″W / 38.502736°N 90.645075°W / 38.502736; -90.645075

Eureka, Missouri
City
Eureka's main street
Eureka's main street
Location of Eureka, Missouri
Location of Eureka, Missouri
Map
Interactive map outlining Eureka
Coordinates: 38°30′10″N 90°38′42″W / 38.50278°N 90.64500°W / 38.50278; -90.64500
CityEureka
StateMissouri
CountiesSt. Louis, Jefferson
Government
 • MayorSean Flower
Area
 • Total11.22 sq mi (29.06 km2)
 • Land11.05 sq mi (28.62 km2)
 • Water0.17 sq mi (0.44 km2)
Elevation476 ft (145 m)
Population
 (2020)
 • Total11,646
 • Density1,053.75/sq mi (406.85/km2)
Time zoneUTC−6 (Central (CST))
 • Summer (DST)UTC−5 (CDT)
ZIP code
63025[3]
Area code636
FIPS code29-22834[4]
GNIS feature ID2394707[2]
WebsiteCity of Eureka official website

Eureka is a city mainly in St. Louis County, with a small portion in Jefferson County, Missouri, adjacent to Wildwood and Pacific. It is in the extreme southwest of the Greater St. Louis metro area. As of the 2020 census, the city had a population of 11,646.[5] Since 1971, Eureka has been known as the home of the amusement park Six Flags St. Louis.

  1. ^ "ArcGIS REST Services Directory". United States Census Bureau. Retrieved August 28, 2022.
  2. ^ a b U.S. Geological Survey Geographic Names Information System: Eureka, Missouri
  3. ^ "Eureka MO ZIP Code". zipdatamaps.com. 2023. Retrieved January 26, 2023.
  4. ^ "U.S. Census website". United States Census Bureau. Retrieved 2008-01-31.
  5. ^ 2020 Census, US Census Bureau, Eureka city, Missouri, Profile

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