Over-the-year change in employment in the 10 largest counties and U.S., December 2008 County Percent change in employment, December 2007-08 Harris, TX 1.0 Dallas, TX -1.2 New York, NY -1.3 King, WA -1.5 United States -2.3 Cook, IL -2.8 San Diego, CA -3.0 Los Angeles, CA -3.4 Miami-Dade, FL -4.2 Orange, CA -4.8 Maricopa, AZ -5.8