Seattle Sounders striker Clint Dempsey is the league's highest-paid player at $6.695 million in guaranteed compensation this season.
Toronto FC and the Los Angeles Galaxy each have three of the 12 players making seven-figure salaries, according to figures released by the MLS Players Union.
Landon Donovan of the Los Angeles Galaxy is guaranteed $4.583 million, just ahead of teammate Robbie Keane's $4.5 million. Omar Gonzalez is paid $1.25 million.
Toronto midfielder Michael Bradley is the second highest paid MLS player, at $6.5 million, followed by teammate Jermain Defoe at $6.18 million and striker Gilberto at $1.2 million.
Thierry Henry of New York Red Bulls is set to make $4.35 million, while Tim Cahill of New York Red Bulls is due $3.625 million. Rounding out the other 12 are Montreal's Marco DiVaio ($2.6 million), Seattle's Obafemi Martins ($1.753 million), and Vancouver's Pedro Morales ($1.411 million).