Orange County, California is 23 times larger than Fort Lauderdale, Florida.
Area: 88 km2 calculated
Fort Lauderdale is a city in the U.S. state of Florida, on the Atlantic coast 23 miles north of Miami. It is the county seat of Broward County. As of the 2010 census, the city had a population of 165,521. Wikipedia
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