Although Obama has won the presidency, McCain may collect Missouri's electoral votes; he leads Obama by 5,853 votes with about 7,000 provisional ballots to count.
It will take another month before gamblers can enjoy Missouri casinos without the loss limit in place.
Peter Kinder retained his seat as lieutenant governor while Chris Koster was elected attorney general.
Missourians passed all the intiatives and constitutional amendments on the ballot. They included an English-only amendment to the state Constitution, expanded options for stormwater bonds, established a home-care attendant council and increased required renewable energy sources for publicly owned utilities to 15 percent.
City voters approved a measure to issue $38.9 million in bonds to finance future renovations and additions to the city's water system over the next six years.
The Democrat was declared the winner by The Associated Press as soon as polls closed.
The 21-year-old man was charged with murder and assault after his father was found dead from a gunshot wound to the head and his stepmother was also found shot.
Ryan Seeler, 34, was convicted Monday night in the July 7, 2007, death of 22-year-old Gavin Donahue, who was hit while working on a construction crew along Highway 40 near Chesterfield.
Election officials have been reporting long lines at polling places across Missouri despite accounts of fraudulent messages telling voters to wait to vote until Wednesday.
Missourians have adopted an English-only amendment to the constitution, expanded options for storm water bonds, established a home-care attendant council and increased required renewable energy sources for publicly owned utilities to 15 percent.
The trial of a man charged with first-degree murder who escaped from and later turned himself back in to St. Louis police is scheduled to begin Tuesday.
Eight out-of-state insurance companies requested refunds on taxes paid in 2004 on premiums collected in Missouri, but were refused because they missed the deadline.
An Amtrak train struck a 15-year-old girl who was walking on the tracks in Franklin County. She later died.
Police are ruling the death a homicide.
Election officials hired more temporary workers, repeatedly tested electronic voting machines, printed more paper ballots and have taken other precautions in anticipation of high turnout.
Vowing to end the war in Iraq and mocking Sarah Palin and John McCain, Joe Biden spoke to a Kansas City-area crowd on the verge of the election while Hilary Clinton stumped in St. Charles.
Monday's political schedule underscores how important Missouri is to both parties. VP candidates Joe Biden and Sarah Palin appeared at rallies in Lee's Summit and Jefferson City. Polls continue to show Barack Obama and John McCain about even in the bellwether state.
Under the proposal, customers of CenturyTel and other small phone companies in Boone County and nationwide could potentially see their rates increase.
The new law required registered sex offenders to stay home with their lights off on Halloween and post a sign saying they were not distributing candy.