Lancaster is a city located in California. With a 2020 population of 155,559, it is the 33rd largest city in California and the 165th largest city in the United States. Lancaster is currently declining at a rate of -0.65% annually and its population has decreased by -0.69% since the most recent census, which recorded a population of 156,633 in 2010. Lancaster reached it's highest population of 159,813 in 2015. Spanning over 95 miles, Lancaster has a population density of 1,650 people per square mile.
The average household income in Lancaster is $70,646 with a poverty rate of 21.71%. The median rental costs in recent years comes to $1,215 per month, and the median house value is $261,400. The median age in Lancaster is 32.6 years, 31.2 years for males, and 34 years for females. For every 100 females there are 101.1 males.