Median Household Income in the United States
First off - what is median household income?

According to the U.S. Census Bureau, "household median income" is defined as "the amount which divides the income distribution into two equal groups, half having income above that amount, and half having income below that amount."
The U.S. Census Bureau currently publishes median household income data from 1967 until present day.
| Year | No. of Households | Nominal $ | Inflation Adjusted $ |
| 2014 | 124,587,000 | $53,013 | $53,657 |
| 2013 | 123,931,000 | $52,937 | $54,462 |
| 2012 | 122,459,000 | $50,396 | $52,605 |
| 2011 | 121,084,000 | $49,423 | $52,690 |
| 2010 | 119,927,000 | $48,691 | $53,507 |
| 2009 | 117,538,000 | $49,158 | $54,925 |
| 2008 | 117,181,000 | $49,671 | $55,313 |
| 2007 | 116,783,000 | $49,614 | $57,357 |
| 2006 | 116,011,000 | $47,599 | $56,598 |
| 2005 | 114,384,000 | $45,770 | $56,160 |
| 2004 | 113,343,000 | $43,785 | $55,565 |
| 2003 | 112,000,000 | $42,823 | $55,759 |
| 2002 | 111,278,000 | $41,911 | $55,807 |
| 2001 | 109,297,000 | $41,728 | $56,466 |
| 2000 | 108,209,000 | $41,446 | $57,724 |
| 1999 | 106,434,000 | $40,201 | $57,843 |
| 1998 | 103,874,000 | $38,383 | $56,445 |
| 1997 | 102,528,000 | $36,477 | $54,443 |
| 1996 | 101,018,000 | $34,941 | $53,345 |
| 1995 | 99,627,000 | $33,456 | $52,604 |
| 1994 | 98,990,000 | $31,522 | $51,006 |
| 1993 | 97,107,000 | $30,404 | $50,421 |
| 1992 | 96,426,000 | $29,640 | $50,667 |
| 1991 | 95,669,000 | $29,017 | $51,086 |
| 1990 | 94,312,000 | $28,680 | $52,623 |
| 1989 | 93,347,000 | $27,559 | $53,306 |
| 1988 | 92,830,000 | $25,872 | $52,372 |
| 1987 | 91,124,000 | $24,635 | $51,973 |
| 1986 | 89,479,000 | $23,457 | $51,329 |
| 1985 | 88,458,000 | $22,259 | $49,574 |
| 1984 | 86,789,000 | $21,072 | $48,664 |
| 1983 | 85,407,000 | $19,647 | $47,229 |
| 1982 | 83,918,000 | $19,155 | $47,530 |
| 1981 | 83,527,000 | $18,062 | $47,658 |
| 1980 | 82,368,000 | $16,671 | $48,462 |
| 1979 | 80,776,000 | $15,177 | $50,089 |
| 1978 | 77,330,000 | $13,650 | $50,184 |
| 1977 | 76,030,000 | $12,224 | $48,315 |
| 1976 | 74,142,000 | $11,379 | $48,011 |
| 1975 | 72,867,000 | $10,579 | $47,227 |
| 1974 | 71,163,000 | $9,990 | $48,497 |
| 1973 | 69,859,000 | $9,265 | $50,083 |
| 1972 | 68,251,000 | $8,542 | $49,092 |
| 1971 | 66,676,000 | $7,956 | $47,076 |
| 1970 | 64,778,000 | $7,701 | $47,538 |
| 1969 | 63,401,000 | $7,330 | $47,910 |
| 1968 | 62,214,000 | $6,698 | $46,192 |
| 1967 | 60,813,000 | $6,155 | $44,284 |
Davemanuel.com Articles That Mention
Median Household Income:United States Census Bureau: Median Household Income Dropped For Fifth Straight Year in 2012Median Household Income Falls For Fourth Straight YearReport: Median Household Income Has Fallen Since Economic "Recovery" StartedMedian Household Income Continues to Drop in the United StatesIt's Good to Live Near Washington, D.C.
Source:
U.S. Census Bureau (*.pdf)