Who or What? - think about who or what are you measuring and what would be meaningful
This could be:
Where?- geography or place that you are studying
Two types of geographic classifications:
When?- what length of time do you need the data to cover? (e.g. six months, a year, ten years, etc)
Once you know what you are looking for, think about who might track or compile that information. Who has a stake in it and who is the audience for that data?
Using your answers to the above question, start looking for the data.
Caution: Data isn't always readily available. Be prepared to think creatively and potentially try alternative data.
If it is collected by a government agency, it will often be found on that organization's website. Some might be aggregated by larger agencies or departments.
Company information and financials can often be found on their company websites, as well as in the Library Databases.
I need to know how many people have a college degree in a particular region. The information needs to be as recent as possible.
This data is collected as part of the demographic information with the U.S. Census.
U.S. Census data is available on the Census website.