Pleasant Hill is a city located in Contra Costa County California. With a 2020 population of 34,739, it is the 223rd largest city in California and the 1134th largest city in the United States . Pleasant Hill is currently declining at a rate of -0.14% annually but its population has increased by 4.79% since the most recent census, which recorded a population of 33,152 in 2010. Pleasant Hill reached it's highest population of 34,903 in 2017. Spanning over 7 miles, Pleasant Hill has a population density of 4,911 people per square mile.
The average household income in Pleasant Hill is $139,455 with a poverty rate of 7.80%. The median rental costs in recent years comes to $2,014 per month, and the median house value is $716,300. The median age in Pleasant Hill is 40.9 years, 40.1 years for males, and 42.1 years for females.