The unemployment rate remained flat in Los Angeles County and statewide in December 2012 when compared with the prior month, according to new numbers released Friday by the California Employment Development Department. In L.A. County, the number of unemployed stood at 494,000, or 10.2 percent. That is an increase of 5,000 people from November 2012. Among the largest cities in the Business Journal’s coverage area, Lancaster had the highest unemployment at 14.4 percent, followed by Palmdale at 12.7 percent, Glendale at 8.9 percent, Burbank with 8.3 percent and Santa Clarita at 6.2 percent. Smaller cities included Quartz Hills with 10.6 percent unemployment, Westlake Village with 5.5 percent, Calabasas at 4.6 percent and Agoura Hills with 4.5 percent. Total nonfarm employment in L.A. County increased by 9,600 jobs between November and December to reach 3.9 million. Trade, transportation and utilities were the industries with the largest month-over increase with 3,700 jobs. Statewide, the unemployment level was at 9.8 percent or 14.4 million nonfarm jobs during December 2012. That is a decrease of 17,500 from November 2012 when the unemployment rate was also at 9.8 percent. While the month-to-month statewide unemployment number was flat, the year-over-year figure showed a decrease in joblessness from the 11.2 percent unemployment rate in December 2011.