2020 census As of the
2020 census, Hayden had a population of 15,570. The median age was 43.2 years. 22.6% of residents were under the age of 18 and 23.6% of residents were 65 years of age or older. For every 100 females there were 95.0 males, and for every 100 females age 18 and over there were 91.6 males age 18 and over. There were 6,131 households in Hayden, of which 29.8% had children under the age of 18 living in them. Of all households, 56.6% were married-couple households, 14.0% were households with a male householder and no spouse or partner present, and 23.3% were households with a female householder and no spouse or partner present. About 23.6% of all households were made up of individuals and 13.4% had someone living alone who was 65 years of age or older. There were 6,380 housing units, of which 3.9% were vacant. The homeowner vacancy rate was 0.7% and the rental vacancy rate was 5.4%.
2010 census As of the
census of 2010, there were 13,294 people, 5,212 households, and 3,645 families living in the city. The population density was . There were 5,563 housing units at an average density of . The
racial makeup of the city was 95.1% White, 0.2% African American, 0.9% Native American, 0.9% Asian, 0.1% Pacific Islander, 0.7% from other races, and 2.1% from two or more races. Hispanic or Latino of any race were 4.2%. Of the 5,212 households 33.6% had children under the age of 18 living with them, 55.6% were married couples living together, 9.5% had a female householder with no husband present, 4.8% had a male householder with no wife present, and 30.1% were non-families. 24.9% of households were one person and 12.8% were one person aged 65 or older. The average household size was 2.54 and the average family size was 3.01. The median age was 39.4 years. 25.6% of residents were under the age of 18; 7.1% were between the ages of 18 and 24; 25% were from 25 to 44; 25.1% were from 45 to 64; and 17.2% were 65 or older. The gender makeup of the city was 48.3% male and 51.7% female.
2000 census As of the
census of 2000, there were 9,159 people, 3,501 households, and 2,562 families living in the city. The population density was . There were 3,714 housing units at an average density of . The
racial makeup of the city was 96.09% White, 0.19% African American, 0.76% Native American, 0.55% Asian, 0.08% Pacific Islander, 0.94% from other races, and 1.40% from two or more races. Hispanic or Latino of any race were 2.43%. Of the 3,501 households 36.9% had children under the age of 18 living with them, 60.3% were married couples living together, 9.1% had a female householder with no husband present, and 26.8% were non-families. 21.6% of households were one person and 9.5% were one person aged 65 or older. The average household size was 2.60 and the average family size was 3.04. The age distribution was 27.6% under the age of 18, 7.4% from 18 to 24, 30.3% from 25 to 44, 21.2% from 45 to 64, and 13.5% 65 or older. The median age was 35 years. For every 100 females, there were 94.9 males. For every 100 females age 18 and over, there were 91.9 males. The median household income was $37,097 and the median family income was $40,875. Males had a median income of $35,339 versus $21,388 for females. The per capita income for the city was $16,387. About 5.8% of families and 9.2% of the population were below the
poverty line, including 13.5% of those under age 18 and 4.5% of those age 65 or over. ==Economy==