[1] It is the most populous district in the Jammu division.

[4] Jammu District has 7 Sub-Divisions: There are 21 tehsils:[5] There are 20 Blocks: According to the 2011 census Jammu district has a population of 1,526,406, roughly equal to the nation of Gabon[7] or the US state of Hawaii.

The district has a population density of 596 inhabitants per square kilometre (1,540/sq mi) .

Jammu has a sex ratio of 871 females for every 1000 males, and a literacy rate of 83.98%.

Other languages spoken are Punjabi, Urdu, Hindi, Kashmiri, Gojri and English.