2020 census As of the
2020 census, Terrell Hills had a population of 5,045, 1,850 households, and 1,314 families. The median age was 43.3 years; 26.0% of residents were under the age of 18 and 19.4% of residents were 65 years of age or older. For every 100 females there were 96.8 males, and for every 100 females age 18 and over there were 93.9 males age 18 and over. 100.0% of residents lived in urban areas, while 0.0% lived in rural areas. There were 1,850 households in Terrell Hills, of which 37.9% had children under the age of 18 living in them. Of all households, 69.1% were married-couple households, 10.9% were households with a male householder and no spouse or partner present, and 17.4% were households with a female householder and no spouse or partner present. About 17.6% of all households were made up of individuals and 10.5% had someone living alone who was 65 years of age or older. There were 1,993 housing units, of which 7.2% were vacant. The homeowner vacancy rate was 2.9% and the rental vacancy rate was 12.6%.
2000 census As of the
census of 2000, the city had a resident population of 5,019 persons, with a corresponding
population density of 1,167.4/km2 (3,032.6/sq mi). Of this population, 95.40% identified themselves as
White, 0.52% as
African American, 0.16% as
Native American, 0.22% as
Asian, 0.02% as
Pacific Islander, 2.39% as "some other race", and 1.30% as belonging to two or more races. In addition, 11.68% of the population identified themselves as being of
Hispanic, Latino, or Spanish origin of any race. There were a total of 2,011
housing units in the city, 1,913 of which were occupied and consequently counted as
census households; the city had no
group quarters. Of these 1,913 households, 1,410 (73.7%) were classified as
family households; 36.6% of these families included the householder's own minor children (that is, children less than 18 years old). Of the total households, 32.6% were married-couple families with their own minor children, 31.9% were married-couple families without their own minor children, 3.8% were families headed by a female householder with no husband present but with the householder's own minor children present, and 3.4% were families headed by a female householder with only relatives other than her husband or minor children present. Finally, 12.3% of households consisted of a single individual living alone of more than 65 years of age and 10.4% of a single individual living alone of less than 65 years of age; 3.6% were other non-family households. The average household size was 2.62 persons and the average family size was 3.09 persons. Persons under 18 years of age comprised 28.2% of the city's population; those aged 18 to 24, 3.7%; 25 to 44, 25.0%; 45 to 64, 26.1%; and those over 65 years of age, 17.1%. The median age was 42 years. Out of all age groups, there were 88.3 males for every 100 females; out of all those of at least 18 years of age, there were 85.7 males for every 100 females. The median household income for the city was $79,295, and the median family income was $86,636. The median income for individual male year-round workers was $61,743; for like females, it was $40,956.
Per capita income was $45,134. The Census Bureau classified 4.7% of the city's population, and 3.2% of its families, as living below the
poverty line. In terms of age, 6.1% of those under the age of 18 and 2.4% of those over the age of 65 were living below the poverty line. The median home price in 2005 in Terrell Hills was $583,500. ==Education==