This polygon shapefile contains the Census places for the state based as of January 1, 1990. Places, for the reporting of decennial census data, include census designated places, consolidated cities, and incorporated places. Each place is assigned a five-digit Federal Information Processing Standards (FIPS) code. This dataset is intended for researchers, students, and policy makers for reference and mapping purposes, and may be used for basic applications such as viewing, querying, and map output production, or to provide a basemap to support graphical overlays and analysis with other spatial data. California, Metropolitan Transportation Commission. (2002). Census Places, 1990 - San Francisco Bay Area, California. California, MTC. Available at: http://purl.stanford.edu/rf385pb1942. This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.