Shifting Communities: Demographic Profiles of Early Village Population Growth and Decline in the Central American Bottom

Research at the Washausen mound center in Illinois reveals a dynamic pattern of village growth and decline during the Mississippian period, characterized by frequent population movements through fissioning and aggregation. Using geophysical surveys and excavations conducted over 8 hectares, scientists estimated population sizes and mapped residential clusters around a central mound-and-plaza complex. Comparing these findings with earlier nearby villages and global sequences, the study demonstrates that larger communities emerged through repeated shifts in settlement patterns, rather than steady growth. This insight challenges traditional models of village development and offers new perspectives on the formation of significant regional centers like Pulcher and Cahokia.

Barrier, C. R., & Horsley, T. J. (2014). Shifting Communities: Demographic Profiles of Early Village Population Growth and Decline in the Central American Bottom. American Antiquity, 79(2), 295–313. https://doi.org/10.7183/0002-7316.79.2.295