California | Population: 1,413,929 | Data as of Q2 2026
EmergingSan Diego is an emerging market worth watching. With a BoomTown Score of 53/100, early indicators suggest this California city could be on the verge of a growth spurt. The most promising signal is building permits (+32.11% permit growth). Watch this space - cities at this stage often accelerate quickly once a tipping point is reached.
25 cities with the highest growth scores for 2026-2027. Data-backed, updated quarterly.