Rockdale is a city located in Milam County Texas. With a 2020 population of 5,361, it is the 347th largest city in Texas and the 4576th largest city in the United States . Rockdale is currently declining at a rate of -1.31% annually and its population has decreased by -4.18% since the most recent census, which recorded a population of 5,595 in 2010. Rockdale reached it's highest population of 5,611 in 1980. Spanning over 4 miles, Rockdale has a population density of 1,338 people per square mile.
The average household income in Rockdale is $52,884 with a poverty rate of 20.62%. The median rental costs in recent years comes to $802 per month, and the median house value is $94,300. The median age in Rockdale is 34.6 years, 34.5 years for males, and 36.3 years for females.