Ntow is a member of the National Democratic Congress (NDC). In 2008, he contested for the Aowin seat on the ticket of the NDC for the fifth parliament of the fourth republic and won. He was the MP for Aowin Constituency, Western Region. He was also a member of parliament for the sixth and the seventh parliament of the fourth Republic of Ghana.[2]
Ntow contested for Aowin constituency in the Western Region of Ghana on the ticket of the National Democratic Congress in the 2008 Ghanaian general election and won the parliamentary seat with 19,291 votes representing 54.09% of the total votes. He won the election over Samuel Adu Gyamfi of the New Patriotic Party who polled 15,393 votes representing 43.16%, parliamentary candidate for PNC Ebenezer Ebbi Kwaw Dankwa had 631 votes which is equivalent to 1.77% and parliamentary candidate for the Convention People's Party Martin Boadu had 347 votes representing 0.97% of the total votes.[4][5]
Ntow was re-elected as a member of parliament for Aowin constituency in the Western Region of Ghana on the ticket of the National Democratic Congress during the 2012 Ghanaian general election. He was elected with 30,035 votes representing 56.67% of the total votes. He won the parliamentary seat over Samuel Adu Gyamfi of the New Patriotic Party, Solomon Appiah of IND, Abdu Hawa of PPP, and John Brew of the NDP. They obtained 21,030 votes, 756 votes, 700 votes, and 269 votes respectively, equivalent to 39.68%, 1.43%, 1.32%, and 0.51% of the total votes.[6][7]
Ntow again contested the Aowin constituency in the Western Region of Ghana on the ticket of the National Democratic Congress in the 2016 Ghanaian general election and won the election with 22,385 representing 50.70% of the total votes. He won the parliamentary seat over Samuel Adu Gyamfi of the New Patriotic Party who polled 20,780 votes which is equivalent to 47.06%, parliamentary candidate for the PPP Isaac Wilson Kwaw had 853 votes representing 1.93% and parliamentary candidate for the Convention People's Party Solomon Asamoah had 134 votes representing 0.30% of the total votes.[8]