Hillsboro is a city located in Hill County Texas. It is also the county seat of Hill County. With a 2020 population of 8,612, it is the 264th largest city in Texas and the 3423rd largest city in the United States . Hillsboro is currently growing at a rate of 0.80% annually and its population has increased by 1.84% since the most recent census, which recorded a population of 8,456 in 2010. Hillsboro reached it's highest population of 8,612 in 2021. Spanning over 11 miles, Hillsboro has a population density of 792 people per square mile.
The average household income in Hillsboro is $56,355 with a poverty rate of 14.74%. The median rental costs in recent years comes to $790 per month, and the median house value is $82,500. The median age in Hillsboro is 34.6 years, 32 years for males, and 36.8 years for females.