Grover Beach is a city located in San Luis Obispo County California. With a 2020 population of 13,375, it is the 340th largest city in California and the 2508th largest city in the United States . Grover Beach is currently declining at a rate of -0.31% annually but its population has increased by 1.66% since the most recent census, which recorded a population of 13,156 in 2010. Grover Beach reached it's highest population of in . Spanning over 2 miles, Grover Beach has a population density of 5,784 people per square mile.
The average household income in Grover Beach is $84,428 with a poverty rate of 13.56%. The median rental costs in recent years comes to $1,481 per month, and the median house value is $493,700. The median age in Grover Beach is 37.2 years, 36 years for males, and 38.2 years for females.