The campaign also says the couple made nearly $130,000 and paid about $12,000 in taxes in 2006.
McCain's campaign released the joint income tax return Friday for his vice presidential nominee and her husband.
The couple donated more than $8,000 to charity over two years.
Their income jump from 2006 to 2007 resulted from the salary increase when Sarah Palin became Alaska's governor.
The McCain-Palin campaign had said the tax returns would be released Monday, but it suddenly put them out Friday afternoona time long used by government to reveal embarrassing news because few people watch TV or read newspapers Friday evening and Saturday.