Webover the past year, median home values have surged to $1. 56 million in the central orange county city, an increase of 20. 8%, which is the highest in the country, according to a. Webirvine, an orange county city miles from the beach, has become the hottest residential market in the nation. Over the past year, the price of a median priced home in. Webstatewide, orange county residents make up a significant portion of “exodus” homeowners who have been fleeing california’s coast for more affordable.