Thornhill is a city located in Kentucky. With a 2020 population of 191, it is the 379th largest city in Kentucky and the 16842nd largest city in the United States. Thornhill is currently growing at a rate of 1.06% annually and its population has increased by 7.30% since the most recent census, which recorded a population of 178 in 2010. Spanning over 0 miles, Thornhill has a population density of 4,204 people per square mile.
The average household income in Thornhill is $120,654 with a poverty rate of 0.00%. The median rental costs in recent years comes to - per month, and the median house value is $298,100. The median age in Thornhill is 38.8 years, 48.2 years for males, and 20 years for females. For every 100 females there are 60.6 males.