Metro areas have gone by a variety of acronyms over the decades. This provides an overview of the conceptual changes in defining metro areas 1910-2010.

Applying the current standards for delineating CBSAs to historical population, commuting and geographic data from 1940 to 2020.

An approach to settlement typology that goes beyond urban/rural to also identify suburbs and exurbs, and can be applied to historical data from 1940 to 2020, as well.

Examining the relationship between population change trajectory and health outcomes for mid-twentieth century micropolitan areas.