Researchers usually start the data-gathering process by examining secondary data. What secondary data sources would be available to the manager of a restaurant that wanted to research consumer trends for a specific neighborhood or zip code near your home or work? Please use the Internet and/or other sources to obtain consumer trend information in your area. Then please indicate how and why it would be useful to the restaurant manager.
https://claritas360.claritas.com/mybestsegments/?_ga=2.240338437.784184603.1597750455-2067251357.1597750455#zipLookup
or like Esri http://www.esri.com/data/esri_data/ziptapestry (use Explore your ZIP code link)