West Puente Valley (pronunciationⓘ) is an unincorporated community and census-designated place in Los Angeles County, California, USA, northwest of La Puente.

The community is probably named for its location related to the city of La Puente.

West Puente Valley is an unincorporated community located in the heart of the San Gabriel Valley, between Downtown Los Angeles and Pomona.

West Puente Valley is bounded by La Puente to the south and east, Baldwin Park to the northwest, West Covina to the northeast, and the San Gabriel River Freeway and the western boundary of City of Industry to the west.

[3] According to the United States Census Bureau, the community has a total area of 1.8 square miles (4.5 km2), over 99% of it land.

The racial makeup of West Puente Valley was 11,383 (50.3%) White (4.8% Non-Hispanic White),[24] 471 (2.1%) African American, 256 (1.1%) Native American, 1,650 (7.3%) Asian, 28 (0.1%) Pacific Islander, 7,945 (35.1%) from other races, and 903 (4.0%) from two or more races.

According to the 2010 United States Census, West Puente Valley had a median household income of $63,750, with 11.1% of the population living below the federal poverty line.

There were 4,914 housing units at an average density of 2,808.0 per square mile (1,084.2/km2).

In the state legislature West Puente Valley is located in the 24th Senate District, represented by Democrat Gloria Romero, and in the 57th Assembly District, represented by Democrat Edward P. Hernandez.

Federally, West Puente Valley is located in California's 32nd congressional district, which is represented by Democrat Grace Napolitano.