2020 census As of the
2020 census, Delhi had a population of 10,656. The population density was . The median age was 30.8 years. The age distribution was 30.1% under the age of 18, 11.1% aged 18 to 24, 27.3% aged 25 to 44, 22.5% aged 45 to 64, and 9.0% who were 65 years of age or older. For every 100 females there were 103.6 males, and for every 100 females age 18 and over there were 101.1 males age 18 and over. 95.6% of residents lived in urban areas, while 4.4% lived in rural areas. The whole population lived in households. There were 2,757 households, out of which 52.2% included children under the age of 18. Of all households, 61.3% were married-couple households, 5.9% were
cohabiting couple households, 14.5% had a male householder with no spouse or partner present, and 18.2% had a female householder with no spouse or partner present. About 10.6% of households were one person, and 4.0% were one person aged 65 or older. The average household size was 3.87. There were 2,354
families (85.4% of all households). There were 2,840 housing units at an average density of , of which 2,757 (97.1%) were occupied and 2.9% were vacant. Of occupied housing units, 70.4% were owner-occupied and 29.6% were occupied by renters. The homeowner vacancy rate was 0.9%, and the rental vacancy rate was 3.4%. The median household income was $66,306, and the
per capita income was $24,906. About 12.9% of families and 16.5% of the population were below the poverty line. ==References==