Credit card debt per U.S. household reached a new high of $8,444 at the end of 2017, up 6.6% from $7,922 in 2016. The previous high was $8,360 in 2008. The number of U.S. households totaled 126.2 million in 2017, with the average number of people per household of 2.54. In 2008, there were 116.8 million U.S. households with 2.56 people per household. Married couples accounted for 48.17% of the households in 2017 compared to 49.98% in 2008. The number of U.S. households is a statistic provided by the United States Census Bureau. Credit card debt of $1.066 trillion at year-end 2017 is the comb...