According to the United States Census Bureau, the town has a total area of , all land. Highland Park is approximately north of the center of Dallas.
aCcOrdiNG to The UniTeD sTateS cEnsuS bUReaU ThE TowN haS A ToTaL Area of , all land. highlANd park is aPproXimaTely norTh oF thE cenTer OF DALlas