SimplyAnalyticsThe data is from EASI Analytics, Mediamark Research Inc., and Simmons Study of Media Markets and is derived from government and other sources. Variables include demographics, housing, income, retail sales, consumer expenditures, consumer price index, quality of life, employment and establishments by industry, historical census data for 1980, 1990, and 2000 in 2000 boundaries, 2006 estimates, 2011 projections, and EASI/MRI market research data.