Sunnyvale is a city located in Dallas County Texas. With a 2020 population of 7,213, it is the 297th largest city in Texas and the 3896th largest city in the United States . Sunnyvale is currently growing at a rate of 2.65% annually and its population has increased by 40.60% since the most recent census, which recorded a population of 5,130 in 2010. Sunnyvale reached it's highest population of 7,213 in 2021. Spanning over 17 miles, Sunnyvale has a population density of 437 people per square mile.
The average household income in Sunnyvale is $149,994 with a poverty rate of 4.75%. The median rental costs in recent years comes to $843 per month, and the median house value is $380,400. The median age in Sunnyvale is 39.5 years, 36.3 years for males, and 42.2 years for females.