The purpose of this research, is to examine reading motivation of the primary 2, 3 and 4th grade students in the terms of gender, class and socioeconomic status. Research is structured according to model of survey in the descriptive type. In the collection, analysis and interpretation of the data "mix method". The sample consists of total of 769 students studying in the same province including class 2, 3 and 4 in three different schools. Research data is collected by scale of Motivation to Read Profile. According to the survey results, however students' value of reading is affected class and gender variables, students' value of reading is not affected by socioeconomic status. The value of reading of 3rd grade students is higher than 4th grade students. The value of reading of girls is higher than male students. Self-concept as reader and reading motivation of students variate depend on class, gender and socioeconomic status. In addition, reading motivation of 2nd grade students is higher than the 4th grade students. Self-concept as reader and reading motivation of students having upper socioeconomic status are than self-concept as reader and reading motivation of students having lower and middle socioeconomic status.