|Date of birth||November 20, 1982|
|Place of birth||Windsor, Ontario, Canada|
|Height||1.78 m (5 ft 10 in)|
|Windsor FC Nationals|
|2001||University of North Carolina at Pembroke|
|2002–2003||Cleveland State Vikings|
* Senior club appearances and goals counted for the domestic league only and correct as of August 19, 2015.
At The University of North Carolina at Pembroke, he became the school's top scorer with 12 goals and six assists. Ademolu was also named 2001 Schools Top Male Athlete and Peachbelt Conference Player of the Year for the first time in the School's history.
At Cleveland State University, during his sophomore year, Ademolu was named Newcomer of the Year, first team All-Horizon League, first team NSCAA All-Ohio and third team All-Great Lakes Region. He was also top scorer with 11 goals and six assists. In his Junior year, he was named Horizon League Player of the Year, third-team All-Ohio, 16th in the nation in goals per game, 28th in the country in points per game, he led his CSU Team and the Horizon League with 12 goals and six assists and tied a school record with eight points on three goals and two assists against UIC in one game.
During his youth ages, Ademolu played for the Windsor FC Nationals scoring a total of 120 goals in the Ontario Youth Soccer League, also winning Top Goal Scorer of the Year and MVP in 1996–97. Ademolu led the Windsor FC Nationals to back to back Ontario Cups.
In 2005 Ademolu, signed for Trelleborgs FF in Sweden, he came in halfway through the season before getting relegated but the highlight for Ademolu was scoring his first goal in a derby game against Malmö FF. He was named team MVP for the 2005 season. In 2006, He played in the Swedish 2nd Division and scored seven goals before being sold to Tromso IL. He spent two-and-a-half seasons in at Tromso playing in UEFA Cup games against, A.S. Roma, Strasbourg, Elsborg, FC Basel and Galatasaray. He made history when he scored a crucial goal against Galatasaray sending Tromso into the group stages of the UEFA Cup.
After two-and-a-half seasons at Tromso IL, Ademolu left to get more playing time in 2008 with Lov-Ham in the Norwegian First Division. Ademolu scored 12 goals and had seven assists in 23 games, before moving on to Lithuania where he signed for FK Ekranas for two-years.
He joined Ekranas in 2009 and was a key performer for his club. Ademolu was named in his first year playing one of the top five players in the country. Ekranas went on to win the 2009 A Lyga Championship. He then went on to help his team win 2010 A Lyga Championship, League Cup and SuperCup. During his time at Ekranas, Ademolu played in the Champions League in 2009 where they lost in the Qualifying rounds against FK Baku and the following year lost to finish side Helsinki.
During his junior years, he was called up to the Canadian Olympic Qualifying team.
He made his senior debut for Canada in November 2005 against Luxembourg. In January 2010, he was called for a friendly match against Jamaica in which he started. Ademolu was called up to play against Argentina on May 24, 2010 before playing Venezuela a few days later.
Ademolu is of Jamaican and Nigerian descent. Ademolu has six brothers and one sister. His twin brother O'Nicholas also played for the CSU Vikings. His cousin Michael Carter plays football for the Saskatchewan Rough Riders. Stephen is engaged to Meghan Whittaker and resides in Tecumseh, Ontario with their two children.
- FK Ekranas