The data for the County Information Project's "Population in Group Quarters by County" comes from the U.S. Census Bureau's Census 2000 Summary File 1 - Texas (SF 1). SF1 contains the 100-percent data, which is the information compiled from the questions asked of all people and about every housing unit in the 2000 Census (released August 2001). For more information concerning this data, contact Tim Brown, Senior County Analyst, or see the Census Bureau's 606 page Summary File 1 : 2000 Census of Population and Housing: Technical Documentation. This document is in PDF format, so you will need either Adobe Acrobat or Adobe Acrobat Reader (free) to view the document.

"Group Quarters." All people not living in housing units are classified by the Census Bureau as living in group quarters. The Bureau recognizes two general categories of people in group quarters:(1) institutionalized population and (2) noninstitutionalized population.

Institutionalized population. Includes people under formally authorized, supervised care or custody in institutions at the time of enumeration. Such people are classified as "patients" or "inmates" of an institution regardless of the availability of nursing or medical care, the length of stay, or the number of people in the institution. Generally, the institutionalized population is restricted to the institutional buildings and grounds (or must have passes or escorts to leave) and thus have limited interaction with the surrounding community. Also, they are generally under the care of trained staff who have responsibility for their safekeeping and supervision.

Types of institutions include:

Noninstitutionalized population. Includes people who live in group quarters other than institutions. Includes staff residing in military and nonmilitary group quarters on institutional grounds who provide formally authorized, supervised care or custody for the institutionalized population.

Types of noninstitutional group quarters include:

"Correctional Facility." Individuals housed in prisons, federal detention centers, military disciplinary barracks and jails, police lockups, halfway houses used for correctional purposes, local jails, and other confinement facilities, including work farms at the time of enumeration.