Eureka is located in Lincoln county Montana with a geographic area of 1.3 square miles. The total population in Eureka is 1,517 with 44.0% male and 56.0% female. Children under age 5 represent 6.7% of the population, under age 18 equal 21.8% of the population and over age 65 is 19.0% of the population. The median household income is $25,625, per capita income is $17,698. There are a total of 589 housing units with 67.2% owner occupied. Education includes 41.1% of residents that are high school graduates and 10.4% with a bachelor's degree or higher. The average temperature in Eureka in the summer is 69 degrees, and in the winter 27 degrees.
