As of the 2010 census it had a population of 191,719 , and in 2018 the population was estimated at 201,361 , making it the fourth-largest city in Los Angeles County and the 23rd-largest city in California .
By 2018 , Glendale 's population was estimated to be more than 200,000 , an increase from 2010 's population of less than 200,000 people .