Rockwall is a city located in Rockwall County Texas. It is also the county seat of Rockwall County. With a 2020 population of 47,516, it is the 74th largest city in Texas and the 834th largest city in the United States . Rockwall is currently growing at a rate of 1.74% annually and its population has increased by 26.74% since the most recent census, which recorded a population of 37,490 in 2010. Rockwall reached it's highest population of 47,516 in 2021. Spanning over 30 miles, Rockwall has a population density of 1,619 people per square mile.
The average household income in Rockwall is $113,802 with a poverty rate of 4.59%. The median rental costs in recent years comes to $1,295 per month, and the median house value is $261,400. The median age in Rockwall is 38.3 years, 37 years for males, and 40 years for females.