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Census Track
A geographic unit defined by the U.S. Census Bureau, which defines a neighborhood and contains an average of about 3,000-4,000 people.
SOURCE: National Survey of Family Growth
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This page last reviewed June 18, 2004
U.S. DEPARTMENT OF HEALTH AND HUMAN SERVICES Centers for Disease Control and Prevention National Center for Health Statistics Hyattsville, MD 20782 (301) 458-4000