2020 census

The 2020 United States census counted 116 people, 42 households, and 20 families in Crestline.^[5][6] The population density was 65.1 per square mile (25.1/km²). There were 52 housing units at an average density of 29.2 per square mile (11.3/km²).^[6][7] The racial makeup was 81.9% (95) white or European American (81.03% non-Hispanic white), 6.03% (7) black or African-American, 2.59% (3) Native American or Alaska Native, 4.31% (5) Asian, 0.0% (0) Pacific Islander or Native Hawaiian, 0.86% (1) from other races, and 4.31% (5) from two or more races.^[8] Hispanic or Latino of any race was 2.59% (3) of the population.^[9]

Of the 42 households, 16.7% had children under the age of 18; 38.1% were married couples living together; 31.0% had a female householder with no spouse or partner present. 40.5% of households consisted of individuals and 33.3% had someone living alone who was 65 years of age or older.^[6] The average household size was 1.4 and the average family size was 2.1.^[10] The percent of those with a bachelor’s degree or higher was estimated to be 0.0% of the population.^[11]

23.3% of the population was under the age of 18, 6.9% from 18 to 24, 29.3% from 25 to 44, 25.0% from 45 to 64, and 15.5% who were 65 years of age or older. The median age was 37.5 years. For every 100 females, there were 52.6 males.^[6] For every 100 females ages 18 and older, there were 50.8 males.^[6]