 westmont is a census-designated place (cdp) in los angeles county, california, united states. the population was 31,853 at the 2010 census, up from 31,623 at the 2000 census. the community is an unincorporated area adjacent to south los angeles, which means that all services are received from los angeles county. according to the los angeles times, westmont has been the deadliest neighborhood in los angeles county since 2000. ==geography== westmont is located at  (33.941514, -118.302306).{{cite web|url=http://www.census.gov/geo/www/gazetteer/gazette.html|publisher=united states census bureau|accessdate=2011-04-23|date=2011-02-12|title=us gazetteer fil
Census-designated_places_in_California Census-designated_places_in_Los_Angeles_County,_California