Founded in 1882 and platted in 1889, Reardan was named for Central Washington Railroad engineer C.F. Reardan. Reardan was incorporated on April 14, 1903. The town is home to the elementary/middle/high school serving the Reardan-Edwall School District, covering over in Lincoln and Spokane counties. The slough north of town, known as Audubon Lake, is well known among birders as a busy stop on the Pacific Northwest flyway and features public facilities for viewers. A Hutterite colony settled in the area in 1961. Mule Days has been celebrated on the first Saturday in June for over 50, featuring a Kiddie Parade, Main Parade, entertainment and games for kids at the park, three on three basketball in front of the high school, food and craft fair at the park, Community BBQ pork luncheon, Beer Garden, and Mule Days Dance.
Geography
Reardan is located at . According to the United States Census Bureau, the town has a total area of, of which, is land and is water.
As of the census of 2010, there were 571 people, 240 households, and 160 families living in the town. The population density was. There were 255 housing units at an average density of. The racial makeup of the town was 92.5% White, 0.5% African American, 4.7% Native American, 0.4% Asian, and 1.9% from two or more races. Hispanic or Latino of any race were 2.5% of the population. There were 240 households of which 30.0% had children under the age of 18 living with them, 49.6% were married couplesliving together, 13.8% had a female householder with no husband present, 3.3% had a male householder with no wife present, and 33.3% were non-families. 29.2% of all households were made up of individuals and 10.9% had someone living alone who was 65 of age or older. The average household size was 2.38 and the average family size was 2.88. The median age in the town was 43.2. 24.7% of residents were under the age of 18; 5.5% were between the ages of 18 and 24; 21.6% were from 25 to 44; 32.6% were from 45 to 64; and 15.8% were 65 of age or older. The gender makeup of the town was 47.3% male and 52.7% female.
2000 census
As of the census of 2000, there were 608 people, 227 households, and 174 families living in the town. The population density was 1,285.2 people per square mile. There were 242 housing units at an average density of 511.6 per square mile. The racial makeup of the town was 93.91% White, 0.16% African American, 2.30% Native American, 0.66% Pacific Islander, 0.16% from other races, and 2.80% from two or more races. Hispanic or Latino of any race were 1.32% of the population. There were 227 households out of which 33.9% had children under the age of 18 living with them, 59.5% were married couples living together, 11.9% had a female householder with no husband present, and 23.3% were non-families. 21.6% of all households were made up of individuals and 6.2% had someone living alone who was 65 of age or older. The average household size was 2.68 and the average family size was 3.06. In the town, the population was spread out with 28.9% under the age of 18, 8.1% from 18 to 24, 24.7% from 25 to 44, 26.6% from 45 to 64, and 11.7% who were 65 of age or older. The median age was 37. For every 100 females, there were 101.3 males. For every 100 females age 18 and over, there were 92.9 males. The median income for a household in the town was $38,750, and the median income for a family was $44,167. Males had a median income of $32,279 versus $21,429 for females. The per capita income for the town was $18,610. About 7.3% of families and 7.4% of the population were below the poverty line, including 12.8% of those under age 18 and none of those age 65 or over.
