Larkspur is a city located in California. With a 2020 population of 12,158, it is the 353rd largest city in California and the 2692nd largest city in the United States. Larkspur is currently declining at a rate of -0.39% annually but its population has increased by 1.95% since the most recent census, which recorded a population of 11,926 in 2010. Larkspur reached it's highest population of 12,383 in 2015. Spanning over 3 miles, Larkspur has a population density of 4,020 people per square mile.
The average household income in Larkspur is $177,814 with a poverty rate of 7.47%. The median rental costs in recent years comes to $2,080 per month, and the median house value is $1.31 Mn. The median age in Larkspur is 49.8 years, 48.8 years for males, and 50.6 years for females. For every 100 females there are 81.9 males.