what county is el segundo in
El Segundo. 1  is a city in the South Bay region of Los Angeles County. 2  The neighboring communities are Del Aire, Hawthorne, Manhattan Beach, Playa del Rey and Westchester. 3  El Segundo is one of the 272 neighborhoods in Mapping L.A., The Timesâ resource for crime, neighborhoods, demographics and schools. This page was created by the Data Desk, a team of reporters and Web developers in downtown L.A.