Westminster is a city located in California. With a 2020 population of 90,256, it is the 90th largest city in California and the 375th largest city in the United States. Westminster is currently declining at a rate of -0.38% annually but its population has increased by 0.62% since the most recent census, which recorded a population of 89,701 in 2010. Westminster reached it's highest population of 91,660 in 2013. Spanning over 10 miles, Westminster has a population density of 8,990 people per square mile.
The average household income in Westminster is $86,501 with a poverty rate of 15.86%. The median rental costs in recent years comes to $1,489 per month, and the median house value is $581,900. The median age in Westminster is 42.3 years, 41.8 years for males, and 42.9 years for females. For every 100 females there are 97.6 males.