For decades, the economy was dominated by orange and walnut groves. Post-World War II, a massive boom in aerospace and electronics manufacturing replaced these orchards with suburban subdivisions.
Since the 1990s, the economy has pivoted toward the service sector , including tourism, retail, and professional services. Lines and Boundaries: An Orange County Almanac Orange County
Originally part of Los Angeles County, Orange County officially formed on August 1, 1889 , after voters chose Santa Ana as the county seat. For decades, the economy was dominated by orange