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Table B-4. Dollar value (in current dollars rounded to the nearest hundreds) at the breakpoint between low- and middle-income and between middle- and high-income categories of family income: October 19752009
Year Breakpoints between
low- and middle-income
Breakpoints between
middle- and high-income

1975 4,400 17,000
1976 4,600 18,300
1977 4,900 20,000
1978 5,300 21,600
1979 5,800 23,700
1980 6,100 25,300
1981 6,500 27,100
1982 7,200 31,200
1983 7,300 32,300
1984 7,500 34,200
1985 7,900 36,400
1986 8,400 38,100
1987 8,800 39,600
1988 9,300 42,100
1989 9,500 43,900
1990 9,600 46,200
1991 10,500 48,300
1992 10,700 49,600
1993 10,800 50,600
1994 11,900 55,500
1995 11,700 56,100
1996 12,300 58,100
1997 12,800 60,800
1998 13,900 64,900
1999 14,700 68,200
2000 15,300 71,900
2001 16,300 75,000
2002 16,700 75,000
2003 16,600 75,500
2004 16,000 77,100
2005 16,800 80,700
2006 18,000 84,500
2007 18,400 85,000
2008 19,000 88,100
2009 18,000 86,800

SOURCE: U.S. Department of Commerce, Census Bureau, Current Population Survey (CPS), October Supplement. 19752009.
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National Center for Education Statistics - http://nces.ed.gov
U.S. Department of Education