1940 vs. 2010

Via Ritholtz, the Census Bureau has a fascinating graphic with their release of 1940 census records (click on infographic to enlarge):

Definitely check out the employment, housing and marital status part.  Almost 42% of the population worked in manufacturing or agriculture in 1940.  Only 17.7% of farms had running water, and only 31.3% had electricity.  And 11.6% of females age 15-19 were married.

This map is also pretty wild:

The impact of the Dust Bowl is amazing.