This polygon datalayer includes China county boundaries with 1964 population census data. The 1964 administrative maps (county and province) were primarily based on 'The Historical Administrative Maps of the People's Republic of China' published by China Map Press, and some other yearly administrative maps. This datalayer is part of the Historical county population census data with maps: 1953, 1964, 1982, 1990, 2000 data set produced by the All China Marketing Research Co. and distributed by the University of Michigan, China Data Center (2005). The historical county population Census data include population Census data for China at county level for 1953, 1964, 1980, 1990, and 2000, which are integrated with associated county GIS maps.