Racial and ethnic composition 2020 census As of the
2020 census, the county had a population of 363,887. The median age was 38.6 years. 24.2% of residents were under the age of 18 and 14.3% of residents were 65 years of age or older. For every 100 females there were 99.3 males, and for every 100 females age 18 and over there were 98.1 males age 18 and over. The racial makeup of the county was 77.0%
White, 7.9%
Black or African American, 0.7%
American Indian and Alaska Native, 5.3%
Asian, <0.1%
Native Hawaiian and
Pacific Islander, 2.6% from some other race, and 6.5% from
two or more races.
Hispanic or Latino residents of any race comprised 5.4% of the population. There were 133,879 households in the county, of which 33.4% had children under the age of 18 living in them. Of all households, 54.2% were married-couple households, 16.0% were households with a male householder and no spouse or partner present, and 22.1% were households with a female householder and no spouse or partner present. About 22.5% of all households were made up of individuals and 9.2% had someone living alone who was 65 years of age or older.
2000 census for Anoka County, from
ACS 5-year estimates As of the
census of 2000, 298,084 people, 106,428 households, and 79,395 families resided in the county. The
population density was . The 108,091 housing units had an average density of . At the time of the 2000 Census, the
racial makeup of the county was 93.64% White, 1.60%
African American, 0.70% Native American, 1.69%
Asian, 0.67% from other races, and 1.71 percent from two or more races; 1.66% of the population were Hispanics or Latinos of any race. The 2000 Census found 30.2% were of
German, 14.3%
Norwegian, 9.0%
Swedish, 7.3%
Irish, and 5.9%
Polish ancestry. Of the 106,428 households, 39.9% had children under 18 living with them, 60.7% were married couples living together, 9.8% had a female householder with no husband present, and 25.4% were not families. About 19.3% were made up of individuals, and 5.3% had someone living alone who was 65 or older. The average household size was 2.77, and the average family size was 3.19. The county's age distribution was 28.9% under 18, 8.3% from 18 to 24, 34.1% from 25 to 44, 21.6% from 45 to 64, and 7.1% who were 65 or older. The median age was 34 years. For every 100 females, there were 101.10 males. For every 100 females 18 and over, there were 99.30 males. The median income for a household in the county was $57,754, and for a family was $64,261. Males had a median income of $41,527 versus $30,534 for females. The
per capita income for the county was $23,297. About 2.90% of families and 4.20% of the population were below the
poverty line, including 4.90% of those under age 18 and 4.50% of those age 65 or over. ==Government and politics==