2020 census As of the
2020 census, there were 18,666 people, 8,110 households, and 3,541 families residing in the city. The census recorded a median age of 27.3 years; 16.8% of residents were under the age of 18, and 13.4% of residents were 65 years of age or older. For every 100 females there were 98.5 males, and for every 100 females age 18 and over there were 97.9 males age 18 and over. There were 8,110 households in Ellensburg, of which 21.8% had children under the age of 18 living in them. Of all households, 30.0% were married-couple households, 26.7% were households with a male householder and no spouse or partner present, and 33.8% were households with a female householder and no spouse or partner present. About 37.1% of all households were made up of individuals and 12.0% had someone living alone who was 65 years of age or older. There were 8,924 housing units, of which 9.1% were vacant. The homeowner vacancy rate was 1.0% and the rental vacancy rate was 8.0%.
2010 census As of the
2010 census, there were 18,174 people, 7,301 households, and 2,889 families living in the city. The population density was . There were 7,867 housing units at an average density of . The racial makeup of the city was 85.7%
White, 1.5%
African American, 1.0%
Native American, 3.2%
Asian, 0.2%
Pacific Islander, 4.6% from
other races, and 3.7% from two or more races.
Hispanic or
Latino of any race were 9.7% of the population. There were 7,301 households, of which 19.3% had children under the age of 18 living with them, 28.2% were married couples living together, 8.2% had a female householder with no husband present, 3.1% had a male householder with no wife present, and 60.4% were non-families. 35.1% of all households were made up of individuals, and 9.6% had someone living alone who was 65 years of age or older. The average household size was 2.16 and the average family size was 2.86. The median age in the city was 23.5 years. 14.2% of residents were under the age of 18; 41.2% were between the ages of 18 and 24; 21.8% were from 25 to 44; 13.9% were from 45 to 64; and 8.9% were 65 years of age or older. The gender makeup of the city was 50.1% male and 49.9% female.
2000 census As of the
2000 census, there were 15,414 people, 6,249 households, and 2,649 families living in the city. The population density was . There were 6,732 housing units at an average density of . The racial makeup of the city was 88.07%
White, 1.17%
Black or
African American, 0.95%
Native American, 4.09%
Asian, 0.16%
Pacific Islander, 2.86% from
other races, and 2.69% from two or more races. 6.33% of the population were
Hispanic or
Latino of any race. There were 6,249 households, of which 20.8% had children under the age of 18 living with them, 31.4% were married couples living together, 8.1% had a female householder with no husband present, and 57.6% were non-families. 35.5% of all households were made up of individuals, and 9.1% had someone living alone who was 65 years of age or older. The average household size was 2.12 and the average family size was 2.84. In the city, the population was spread out, with 15.8% under the age of 18, 39.3% from 18 to 24, 22.7% from 25 to 44, 12.8% from 45 to 64, and 9.4% who were 65 years of age or older. The median age was 24 years. For every 100 females, there were 95.0 males. For every 100 females age 18 and over, there were 93.1 males. The median income for a household in the city was $20,034, and the median income for a family was $37,625. Males had a median income of $31,022 versus $22,829 for females. The per capita income for the city was $13,662. About 18.8% of families and 34.3% of the population were below the poverty line, including 29.0% of those under age 18 and 11.2% of those age 65 or over. ==Arts and culture==