Grand Terrace is a city located in San Bernardino County California. With a 2020 population of 12,640, it is the 347th largest city in California and the 2616th largest city in the United States . Grand Terrace is currently growing at a rate of 0.22% annually and its population has increased by 4.98% since the most recent census, which recorded a population of 12,040 in 2010. Grand Terrace reached it's highest population of in . Spanning over 4 miles, Grand Terrace has a population density of 3,605 people per square mile.
The average household income in Grand Terrace is $86,100 with a poverty rate of 8.66%. The median rental costs in recent years comes to $1,405 per month, and the median house value is $324,400. The median age in Grand Terrace is 37.3 years, 33.8 years for males, and 40.5 years for females.