Some of the following resources will help you obtain market and consumer information, U.S. demographic & socio/economic information:
U.S. Bureau of Labor Statistics - Look under the "Subject Areas" tab for info on consumer spending, earnings by demographics, etc.
CFSAN Consumer Behavior Research - U.S. Food & Drug Administration
ProQuest Statistical Abstract of the United States : [the national data book].
U.S. Census Data: Check out "Census 2020", "Projections", "Population Data by Subject"
State and Metropolitan Area Data Book 2020 (County and City Extra Series) Third Edition