All data comes from the American Community Survey 1-year estimates. Counties are only included in this dataset if they have a population of at least 65,000. Data was not published for 2020 due to Covid-19.
You can learn more about this project by reading the following:
- Creating Time Series Data from the American Community Survey (ACS) discusses how the dataset is generated.
- Visualizing the Impact of Covid-19 on US Counties discusses the choice to use counties as the geographic unit for this project.
- Building a Census Explorer in Python: Part 1 discusses the technology choices made at the start of the project.