Considering moving to the Lone City, TX area? Learn about the population and the various steets in Lone City. Listed below are the demographics for the city. Population: The median age for residents in Lone City was 32.2 years. The population was comprised of 202 households. A third of these households were headed by a female, and one in five was a bachelor. The rest of the households were headed by people who were 45 years old or older.