Richardson is a city located in Dallas County Texas. With a 2020 population of 124,213, it is the 31st largest city in Texas and the 230th largest city in the United States . Richardson is currently growing at a rate of 1.18% annually and its population has increased by 25.19% since the most recent census, which recorded a population of 99,223 in 2010. Richardson reached it's highest population of 124,213 in 2021. Spanning over 29 miles, Richardson has a population density of 4,348 people per square mile.
The average household income in Richardson is $107,143 with a poverty rate of 10.83%. The median rental costs in recent years comes to $1,403 per month, and the median house value is $274,200. The median age in Richardson is 35.6 years, 34.5 years for males, and 36.5 years for females.