The same counties in the Upper Midwest and Rust Belt that overwhelmingly voted for Donald Trump in the 2016 presidential election have seen an increased dependence the last 15 years on jobs in manufacturing, agriculture, and mining. Explore in our series of data visualizations.
Using location quotient (LQ) is a good way to find industry (or occupation and demographic) specializations for a region.
Change in LQ over time is helpful for identifying emerging or declining industries.
Mixing LQ and other data points, like election results, can be particularly enlightening.