Westlake is a city located in Louisiana. With a 2020 population of 4,887, it is the 62nd largest city in Louisiana and the 4816th largest city in the United States. Westlake is currently declining at a rate of -0.24% annually but its population has increased by 6.98% since the most recent census, which recorded a population of 4,568 in 2010. Westlake reached it's highest population of 5,246 in 1980. Spanning over 4 miles, Westlake has a population density of 1,326 people per square mile.
The average household income in Westlake is $54,307 with a poverty rate of 13.17%. The median rental costs in recent years comes to $819 per month, and the median house value is $103,900. The median age in Westlake is 35.5 years, 35.1 years for males, and 36.8 years for females. For every 100 females there are 117.7 males.