According to the 1998 census, the total population of FR Peshawar was 53,841, including 27,063 (50.26%) males and 26,778 (49.7%) females. The male to female ratio was 101/100, which is less than the national ratio of 106/100. The estimated annual growth rate of the population is 2.22%. (Source: 1998 Census Reports of FATA).

The main and only tribe of FR Peshawar is Adam khel, a sub-tribe of Afridis. FR Peshawar is also inhabited by the Hasankhel, Jawaki, Janakor and Ashookhel (sub-tribes of Afridies).