Nearly all Central Coast children are California-born, while working-age adults and seniors are far more likely to have come from elsewhere. About 90 percent of children under 18 across all three counties were born in California in 2021, compared to roughly half or fewer of adults 65 and older. The foreign-born population is most concentrated in working-age groups, particularly adults between 35 and 54.

These patterns tell a story about regional economic pull and retention. The region attracts working-age adults, many from other countries, who fill labor force needs. But if nearly all children are California-born and most seniors came from out of state, the question becomes whether the region retains the people it raises. Youth leave when they cannot afford housing, cannot find jobs that match their education, or see better opportunities elsewhere. Seniors arrive because housing costs less here than in other California regions or they are retiring to the coast.

Place of birth data helps identify where to focus retention efforts. If the region is raising children but losing them as adults, investments in affordable housing, career pathways, and economic opportunity for young adults become critical for keeping homegrown talent.

Insights & Analyses: San Luis Obispo County

• Data on nativity by age show that an overwhelming majority of the young people across the three counties were born in California – 89 percent in San Luis Obispo County – compared to only 49 percent of seniors 65 and older in San Luis Obispo County.

Insights & Analyses: Santa Barbara County

• Data on nativity by age show that an overwhelming majority of the young people across the three counties were born in California – 89 percent in San Luis Obispo and Santa Barbara counties and 90 percent in Ventura County – compared to only 49 percent of seniors 65 and older in San Luis Obispo, 35 percent in Santa Barbara, and 34 percent in Ventura County.

Insights & Analyses: Ventura County

• The median age in Ventura County is 39 years.
• In Ventura County, the median age for white residents is 49 years old. The median age for Asian American residents is 44 years. The median age for Black residents is 40 years. The median age for Latinx residents is 30 years. The median age of residents reporting being mixed race or having another racial status is 25 years.