Brentwood is a city located in Missouri. With a 2020 population of 7,968, it is the 99th largest city in Missouri and the 3637th largest city in the United States. Brentwood is currently declining at a rate of -0.19% annually and its population has decreased by -1.08% since the most recent census, which recorded a population of 8,055 in 2010. Brentwood reached it's highest population of 12,250 in 1960. Spanning over 2 miles, Brentwood has a population density of 4,095 people per square mile.
The average household income in Brentwood is $110,427 with a poverty rate of 5.45%. The median rental costs in recent years comes to $1,225 per month, and the median house value is $222,200. The median age in Brentwood is 34.1 years, 33.4 years for males, and 34.5 years for females. For every 100 females there are 89.4 males.