Attainment of high productivity is of primary concern to all employees and management of most organisations, including colleges of education libraries. To achieve maximum productivity, management experts advocate increased staff welfare among several measures to ensure job commitment and satisfaction among the different categories of employee, including libraries. Several studies have been carried out on job satisfaction and commitment in relation to productivity in university libraries but not much has been done on job motivation and productivity of librarians in colleges of education in Nigeria. This study, therefore, examined job motivation, demographic and environmental factors influencing productivity of librarians in colleges of education in Nigeria. The study revealed the following amongst others. Job motivation and demographic and environmental factors influenced the productivity of librarians. Consequently, the attention given simultaneously to job motivation, demographic and environmental factors should be sustained. There is the need to ensure better power supply as well as Internet accessibility in colleges of education.