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Survey of State Developmental Disabilities Directors


The Survey of State Developmental Disabilities Directors provides aggregate data (non-population) on residential facilities and residents within each state.

University of Minnesota
Data Years Available: 
Mode of Collection: 
A mailed questionnaire and phone follow-up.
Selected Content: 
Data provide a description of residential settings, sizes and the number of residents. No demographic data are collected.
Population Covered: 
The U.S. civilian institutionalized population with DD/ID and other types of co-occurring disabilities – adults

A five part questionnaire is mailed with a cover letter to each state’s DD program director or state-designated key data informant. Telephone follow up begins two weeks after the questionnaire mail out to confirm who has been designated to compile the data and to answer questions about the data requested.

Response Rates and Sample Size: 

In 2009, administrators from 50 states and D.C. were sampled; 51 responded.

Interpretation Issues: 

Research and Training Center on Community Living. Residential services for persons with developmental disabilities: status and trends through 2009. Minneapolis, MN: University of Minnesota, 2010.