Revealed: San Diego's Best 7 Places to Live in 2019 (Updated) Torrey Hills. Torrey Hills consistently ranks and one of the top areas to live in San Diego. La Jolla. La Jolla is a bustling neighborhood with a 33,007 population. Kearny Mesa. For those who seek a centrally located space to live, Kearny Mesa is it. South Oceanside. Downtown. Mission Valley. Carmel Mountain Ranch.