A professional who compiles data for use by urban planner in making planning studies. Responsibilities include:

• Summarizes information from maps, reports, field and file investigations, and books.
• Traces maps and prepares statistical tabulations, computations, charts, and graphs to illustrate planning studies in areas, such as population, transportation, traffic, land use, zoning, proposed subdivisions, and public utilities.
• Prepares and updates files and records.
• May answer public inquiries, conduct field interviews and make surveys of traffic flow, parking, housing, educational facilities, recreation, zoning, and other conditions which affect planning studies.