New Maps for Texas Counties (PDF, September 2002) Percentage of Population 65 and Older: 2000 Median Age of Population: 2000 Change in Median Age: 1990 to 2000 Percentage Change in Texas Population: 1990 to 2000 Percentage Change in Texas Population: 1930 to 2000 Population Per Square Mile: 1999 Employment Change: 1990 to 2000 Percentage Change in Employment: 1990 to 2000 Unemployment Rate: 1990 Unemployment Rate: 2000 Economic Dependency: 1993 Farm Proprietor's Income, Five Year Average: 1996 to 2000 Farm Proprietor's Income Less Farm Program Payments, Five Year Average: 1996 to 2000 Dividends, Interest, and Rents as a Percentage of Total Personal Income, Five Year Average: 1996 to 2000 Non-Employment Income as a Percentage of Total Personal Income, Five Year Average: 1996 to 2000 Transfer Payments as a Percentage of Total Personal Income, Five Year Average: 1996 to 2000