
Richardson
- County:
- Dallas County
- County Seat:
- No
- Area (mi²):
- 28.562
- State:
- Texas
Richardson is a city located in Dallas County, Texas. Richardson has a 2025 population of 116,192. Richardson is currently declining at a rate of -0.53% annually and its population has decreased by -2.6% since the most recent census, which recorded a population of 119,299 in 2020.
The average household income in Richardson is $128,336 with a poverty rate of 10.11%. The median age in Richardson is 34 years: 33.4 years for males, and 34.6 years for females.