Full Citation

Title: A Consistent County-Level Crosswalk for US Spatial Data since 1790

Citation Type: Miscellaneous

Publication Year: 2018

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Abstract: Both the number and the geographic boundaries of the counties covering the territory of the United States changed frequently and significantly since 1790. In order to study the spatial aspects of the United States' economic history it is frequently necessary to create a consistent panel of spatial units, which are consistent over time. We provide such a cross-walk, that enables researchers to aggregate historical US county data for every decade since 1790 to current US counties and commuting zones. This note describes the details of our data construction and how to use this crosswalk in practice. A data package containing the decadal crosswalks since 1790 and the accompanying GIS files is available on our websites.

Url: http://www.fpeckert.me/papers/egp-spatialcrosswalk.pdf

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Authors: Eckert, Fabian; Gvirtz, Andrés; Peters, Michael

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Data Collections: IPUMS NHGIS

Topics: Other

Countries: United States