Photocopies of tabulated but unpublished data for census tracts can be provided at cost. For population items, the tabulated material covers farm-nonfarm residence of the rural population, characteristics of persons 14 years old and over not in the labor force, class of worker of farm workers, and greater detail than shown here on place of residence in 1955 and place of work. Unpublished housing data cover farm nonfarm residence and tenure of rural housing units, type of trailers, source of water, method of sewage disposal, year structure was built and year moved into the unit for owner-occupied units, and number of stories and presence of elevator in the structure.

For all tracts, data are available for nonwhites on household relationship, condition and plumbing facilities of the housing unit, number of persons and number of rooms in the unit, and persons per room. For tracts with a specified number of nonwhites, the unpublished tabulations include the greater detail for nonwhites on place of residence in 1955 and farm-nonfarm residence of rural housing units by tenure. For tracts with a specified number of Puerto Ricans or white persons with Spanish surname, they include year moved into unit for these groups. Requests for unpublished statistics should be addressed to the Chief, Population Division, or the Chief, Housing Division, Bureau of the Census, Washington 25, D.C.

Each tract has been assigned a one-digit code: 0 if in an urban area, 1 if rural.