2020 census As of the
2020 census, Grants Pass had a population of 39,189. The median age was 41.3 years. 21.7% of residents were under the age of 18 and 23.3% of residents were 65 years of age or older. For every 100 females there were 90.8 males, and for every 100 females age 18 and over there were 86.6 males age 18 and over. 99.7% of residents lived in urban areas, while 0.3% lived in rural areas. There were 15,865 households in Grants Pass, of which 28.6% had children under the age of 18 living in them. Of all households, 40.2% were married-couple households, 17.9% were households with a male householder and no spouse or partner present, and 33.1% were households with a female householder and no spouse or partner present. About 31.5% of all households were made up of individuals and 17.1% had someone living alone who was 65 years of age or older. there were 34,533 people, 14,313 households, and 8,700 families residing in the city. The
population density was . There were 15,561 housing units at an average density of . The
racial makeup of the city was 90.9% White, 1.2% Native American, 1.1% Asian, 0.5% African American, 0.3% Pacific Islander, 2.3% from other races, and 3.7% from two or more races. Hispanic or Latino of any race were 8.5% of the population. There were 14,313 households, of which 30.7% had children under the age of 18 living with them, 41.3% were
married couples living together, 14.5% had a female householder with no husband present, 4.9% had a male householder with no wife present, and 39.2% were non-families. 32.8% of all households were made up of individuals, and 16.3% had someone living alone who was 65 years of age or older. The average household size was 2.34 and the average family size was 2.94. The median age in the city was 39.3 years. 24.3% of residents were under the age of 18; 8.4% were between the ages of 18 and 24; 23.6% were from 25 to 44; 25% were from 45 to 64; and 18.6% were 65 years of age or older. The gender makeup of the city was 47.3% male and 52.7% female.
2000 census As of the census of 2000, there were 23,003 people, 9,376 households, and 5,925 families residing in the city. The population density was . There were 9,885 housing units at an average density of . By 2008, the city's population had increased to 33,239. According to U.S. Census figures from the 2006-2008 American Community Survey, the racial composition of the city's population was 93.6% white, 0.2% black, 1.6% American Indian, 1.1% Asian, 1.2% other race, and 2.3% two or more races. Hispanics or Latinos, who may be of any race, formed 7.2% of the city's population. There were 9,376 households, out of which 31.1% had children under the age of 18 living with them, 44.5% were married couples living together, 14.5% had a female householder with no husband present, and 36.8% were non-families. 31.2% of all households were made up of individuals, and 16.0% had someone living alone who was 65 years of age or older. The average household size was 2.36 and the average family size was 2.94. In the city, the population was spread out, with 26.0% under the age of 18, 8.1% from 18 to 24, 25.7% from 25 to 44, 20.7% from 45 to 64, and 19.4% who were 65 years of age or older. The median age was 38 years. For every 100 females, there were 86.8 males. For every 100 females age 18 and over, there were 80.7 males. The median income for a household in the city was $29,197, and the median income for a family was $36,284. Males had a median income of $31,128 versus $23,579 for females. The
per capita income for the city was $16,234. About 12.2% of families and 34.9% of the population were below the
poverty line, including 20.8% of those under age 18 and 7.3% of those age 65 or over. ==Government and politics==