$3,000. In April 1900, the Village Board purchased a fire engine and hose cart for the sum of $875. In November 1900, the Village Board purchased the land and built a one-story fire station. In 1929, the construction of Highway 150 was completed through the Village, and in 1933, it was extended as far east as Orion. In 1939, the Coal Valley High School was built at the cost of $70,000 and that fall forty-six pupils were enrolled. The first members to graduate from the new Coal Valley High School were Ruth Schroeder, Evelyn Martin, Mary Kepple, Florence Robinson, Raymond Johnson, Harlan Raub, Robert Anderson, Sydney Bradford and Francis Creger. The Coal Valley High School was dissolved in 1952 and used as the junior high, and high school students attended the new high school in Moline. Geography Coal Valley is located at (41.439788, -90.455939). According to the 2010 census, Coal Valley has a total area of , all land. Demographics As of the census of 2000, there were 3,606 people, 1,373 households, and 1,059 families residing in the village. The population density was . There were 1,444 housing units at an average density of . The racial makeup of the village was 97.06% White, 0.69% African American, 0.03% Native American, 0.42% Asian, 0.58% from other races, and 1.22% from two or more races. Hispanic or Latino of any race were 3.00% of the population. There were 1,373 households, out of which 33.8% had children under the age of 18 living with them, 64.6% were married couples living together, 9.0% had a female householder with no husband present, and 22.8% were non-families. 18.2% of all households were made up of individuals, and 6.6% had someone living alone who was 65 years of age or older. The average household size was 2.63 and the average family size was 2.97. In the village, the population was spread out, with 24.8% under the age of 18, 9.1% from 18 to 24, 29.1% from 25 to 44, 27.4% from 45 to 64, and 9.6% who were 65 years of age or older. The median age was 38 years. For every 100 females, there were 99.3 males. For every 100 females age 18 and over, there were 96.7 males. The median income for a household in the village was $49,228, and the median income for a family was $56,114. Males had a median income of $40,801