1940 and 1950 Census enumeration district maps

For the Japantowns project, I digitized 1940 and 1950 Census enumeration district maps for a number of cities. These will be posted once the paper is published. In the meantime, if you are interested in working with this data, please get in touch. Maps for the following cities are available:

1940: Berkeley, Denver, Portland, Sacramento, Salt Lake City, San Jose, Spokane, Stockton.

1950: Berkeley, Brooklyn, Chicago, Denver, Los Angeles, Manhattan, Minneapolis, Oakland, Portland, Sacramento, Salt Lake City, San Francisco, San Jose, Seattle, Spokane, Stockton.

Chicago zoning and land use

1923 use and volume zoning shapefiles
For the use zoning districts, only the residential, commercial, and industrial districts were drawn in. All other areas fall into apartment districts. The PCS is EPSG:3435. The text and maps of the ordinance are here. Relevant citation is here.

1942 use zoning shapefile
Only the use district zones were digitized. The PCS is EPSG:3435. The text and maps of the ordinance are here. Relevant citation is here.

Chicago 1922 land use survey shapefiles
The GCS is EPSG:4269. Two small areas are unpopulated due to illegible maps; those areas are depicted in the shapefile here. The original survey maps can be found at the University of Chicago Library Map Collection here. Relevant citation is here.

Seattle zoning

1923 use, area, and height zoning shapefiles
The PCS is EPSG:2926. The text and maps of the ordinance are here. Relevant citation is here.

Other major city zoning data

As part of an ongoing project, I'm working to digitize historic zoning maps for a number of other US cities. If you are interested in this data, please get in touch. The following cities are complete:

Baltimore (1928, 1932), Boston (1924), Denver (1925), Kansas City (1923), Milwaukee (1920, 1933), Minneapolis (1924, 1948, 1963), Portland (1927), Richmond (1931), San Francisco (1921), and St. Louis (1925).