Eureka is a city located in Juab County Utah. With a 2020 population of 729, it is the 173rd largest city in Utah and the 11702nd largest city in the United States . Eureka is currently growing at a rate of 1.53% annually and its population has increased by 8.97% since the most recent census, which recorded a population of 669 in 2010. Eureka reached it's highest population of in . Spanning over 1 miles, Eureka has a population density of 491 people per square mile.
The average household income in Eureka is $64,065 with a poverty rate of 12.52%. The median rental costs in recent years comes to - per month, and the median house value is $110,000. The median age in Eureka is 48.5 years, 49 years for males, and 46.6 years for females.