Eureka is located in St. Louis County, MO. The population is 10,122.
There are 4 public schools in Eureka with an average Homefacts rating of A+. The total crime rate for Eureka is very low , and there are 9 registered sex offenders residing in the city. Unemployment in Eureka is moderate and the median home sales price is $0. Detailed and up-to-date Eureka property reports are available for any property address.