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HMIS Data Dictionary

Date Published: July 2015


The 2014 HMIS Data Dictionary is designed for HMIS vendors, HMIS Lead Agencies, and HMIS system administrators to understand all of the data elements required in an HMIS, data collection and function of each required element, and the specific use of each element by the appropriate federal partner. The HMIS Data Dictionary should be the source for HMIS software programming. HMIS systems must be able to collect all of the data elements defined in the HMIS Data Dictionary, support system logic identified in this document, and ensure that data collection and the visibility of data elements are appropriate to the project type and federal funding source for any given project. The companion document to the HMIS Data Dictionary is the HMIS Data Manual which provides basic guidance on HMIS data elements for CoCs, HMIS Lead Agencies, HMIS System Administrators, and users.

The Dictionary was recently revised in July 2015 to reflect critical changes that were identified by HUD and its federal partners. Information about how to “back enter” data for clients who are active in the system as of October 1, 2015 is provided in the accompanying document, Data Entry for HMIS Critical Data Standards Changes. In addition, an accompanying document, Instructions for Mapping Existing HMIS Data for 2014 Version 3 HMIS Data Standards Elements, provides the mapping requirements for two of the Data Element changes approved for 2014 HMIS Data Standards Version 3 (Element 3.17 and Element 4.35A).

Resource Links

Reporting System:

  • HMIS: Homeless Management Information System

Resource Approver:

  • HUD Approved

Author Organization:

  • HUD


  • Reporting and Monitoring
    • HMIS