The website RaceBox.org has compiled a list of census forms stretching back to the country’s infancy, and it offers a fascinating look at how ideas about racial classification have evolved over time.
![](http://i1.wp.com/racebox.org/images/2010.jpg?resize=403%2C500)
2010.
![](http://i1.wp.com/racebox.org/images/1990.jpg?resize=412%2C344)
1990.
![](http://i0.wp.com/racebox.org/images/1970.jpg?resize=435%2C400)
1970.
![](http://i0.wp.com/racebox.org/images/1950.jpg?resize=320%2C400)
1950.
![](http://i2.wp.com/racebox.org/images/1930.jpg?resize=370%2C400)
1930.
![](http://i2.wp.com/racebox.org/images/1860.jpg?resize=332%2C200)
1860.
![](http://i1.wp.com/racebox.org/images/1850.jpg?resize=540%2C73)
1850.
![](http://i0.wp.com/racebox.org/images/1840.jpg?resize=625%2C62)
1840.
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