Orange County, New York is 5.2% larger than Orange County, California.
Area: 2,064 km2 calculated
Orange County is a county in the U.S. state of California. As of the 2010 census, the population was 3,010,232 making it the third-most populous county in California, the sixth-most populous in the United States, and it more populous than twenty-one U.S. states. Its county seat is Santa Ana. Wikipedia
Area: 2,172 km2 calculated
Orange County is a county located in the U.S. state of New York. As of the 2010 census, the population was 372,813. The county seat is Goshen. The county was named in honor of William III of Orange, who was greatly esteemed by the English settlers of the region. Wikipedia