Westlake Village is a city in Los Angeles County on its western connect with Ventura County. The City of Westlake Village incorporated in 1981 becoming the 82nd municipality of Los Angeles County. The population of the city was 8,029 at the 2020 census, down from 8,270 at the 2010 census.

The city is named after the master-planned community of Westlake that was well along called Westlake Village to avoid confusion subsequently the Los Angeles neighborhood of the similar name. With a lake at the center, the community straddles the line amid Los Angeles and Ventura counties. Roughly two-thirds of the community was back annexed into the city of Thousand Oaks.

About 3,000 years ago, Chumash Indians moved into the region and lived by hunting rabbits and extra game, and heap grains and acorns. On-going excavations, archaeological sites, and polychrome stone paintings in the area provide a glimpse into the social and economic obscurity of the ancient Chumash world.

It is unknown as soon as the first people decided in the area. A Chumash village was decided here in 500 BCE, known as Hipuc. The Chumash Indians gathered and prepared acorns and other seeds. These were collected in the fall. The Chumash moreover hunted wild animals, fish and gathered plants. Their diet consisted of acorns, gophers, cottontail rabbits, skunks, jack rabbits, rats, mice, and seeds. They made their clothing from the skins of animals such as rabbits, deer, and sea otters. Women wore long skirts woven from grass or soft bark, while men wore pieces of deerskin tied on the subject of their waists. Both men and women painted designs upon their bodies and wore shell beads.