for Adair County from
ACS 5-year estimates
2020 census As of the
2020 census, the county had a population of 7,496, resulting in a population density of . The median age was 44.0 years, with 22.2% of residents under the age of 18 and 23.4% 65 years of age or older. For every 100 females there were 98.6 males, and for every 100 females age 18 and over there were 96.3 males age 18 and over. PL data indicates 96.88% of residents reported being of one race; 92.89% were non-Hispanic
White, 0.61% were
Black or African American, 2.48% were
Hispanic or Latino, 0.25% were
Native American, 0.31% were
Asian, 0.03% were
Native Hawaiian or
Pacific Islander and 3.43% were some other race or more than one race. When combining single races, 95.4% were
White, 0.6% were
Black or African American, 0.3% were
American Indian and Alaska Native, 0.3% were
Asian, <0.1% were
Native Hawaiian and
Pacific Islander, 0.3% were some other race, and 3.1% were
two or more races;
Hispanic or Latino residents of any race comprised approximately 2.5% of the population. There were 3,217 households in the county, of which 25.6% had children under the age of 18 living in them. Of all households, 50.8% were married-couple households, 19.3% were households with a male householder and no spouse or partner present, and 22.6% were households with a female householder and no spouse or partner present. About 30.4% of all households were made up of individuals and 14.1% had someone living alone who was 65 years of age or older. There were 3,585 housing units, of which 3,217 were occupied, and 10.3% were vacant; 75.6% of the occupied units were owner-occupied and 24.4% were renter-occupied, with a homeowner vacancy rate of 1.1% and a rental vacancy rate of 8.1%.
2010 census As of the
2010 United States census, there were 7,682 people, 3,292 households, and 2,148 families residing in the county. The population density was . There were 3,698 housing units at an average density of . The racial makeup of the county was 98.4% white, 0.3% Asian, 0.1% American Indian, 0.1% black or African American, 0.4% from other races, and 0.7% from two or more races. Those of Hispanic or Latino origin made up 1.3% of the population. Of the 3,292 households, 26.8% had children under the age of 18 living with them, 54.9% were married couples living together, 6.7% had a female householder with no husband present, 34.8% were non-families, and 30.7% of all households were made up of individuals. The average household size was 2.29 and the average family size was 2.84. The median age was 45.3 years.
Religion , 67.9% of the population (5,597) had a declared religious affiliation, in every case Christian. The leading religious denomination was the
United Methodist Church, with 23.6% of the population (1,944 members); second was the
Lutheran Church–Missouri Synod, with 15.4% (1,268 members); third was the
Roman Catholic church, with 12% of the population (1,003 members); and fourth was the
Evangelical Lutheran church, with 11.8% of the population (978 members). ==Education==