San Diego County is expected to add 1.8 million people over the next three decades.

San Diego County is expected to add 1.8 million people over the next three decades. Photo by File photo

Statistics from Sacramento’s bean counters offer an estimate of how big a market San Diego will become over the next 50 years.

The state expects continued growth.

The California Department of Finance predicted in December that San Diego County’s population will grow by 31 percent to hit 4.07 million in 2060.

The report’s authors estimated that there were 3.11 million San Diego County residents in 2010. The county’s 2015 population is projected at 3.24 million residents. Study authors anticipate the county’s population will grow to 3.38 million in 2020, and increase by about 100,000 people every five years through 2035, when the rate of growth is expected to decrease gradually.

San Diego County’s Hispanic or Latino population is expected to almost double, growing from 995,000 in 2010 to 1.78 million in 2060.

The overall population of Imperial County is expected to grow faster than that of San Diego County, going from 188,000 in 2015 to 336,000 in 2060.

Orange County’s population is expected to grow from 3.1 million in 2015 to 3.4 million in 2060.