Samarasimha was succeeded by Udayasimha, who expanded the kingdom by recapturing Nadol and Mandor from the Turks.

During the reign of Kanhadadeva, Jalor was attacked and captured in 1311 by the Delhi's Turkic Sultan Alauddin Khalji.

[citation needed] The Turkic rulers of Palanpur State of Gujarat briefly ruled Jalore in the 16th century and it became part of the Mughal Empire.

The altitude is 268 m, latitude is 25.22 N and longitude is 72.58 E. Physiographically, the district is oblong in shape, extending up to Rann of Kutch (Gujarat).

The region is generally plain but for some scattered thickly wooded hills in the north and some hillocks in the centre.

In Bhinmal Tehsil's South Eastern part of Jaswantpur, highest mountains of the district are situated.

The major towns and villages of the Jalore district are Sayala, Vodha, Ramsin, Daspan, Bagra, Juni Bali, Bishangarh, Ummedabad, and Megalva.

There are five legislative assembly areas namely Jalore, Ahore, Bhinmal, Raniwara, and Sanchore.

Wheat, bajra, kharif pulses, barley, jowar and in very huge quantity of fleawort.

The main minerals produced are: Gypsum, limestone, bajari, murram, granite, and graded fluorite.

The main small scale industries are :granite slabs and tiles, marble cutting and polishing, mustard seed crushing, skimmed milk powder, butter and ghee, handloom cloth, leather shoes (mojari).

In 2006 the Ministry of Panchayati Raj named Jalore one of the country's 250 most backward districts (out of a total of 640).

Samadari-Bhildi branch line passes through the district connecting Jalore and Bhinmal towns.

According to the 2011 census Jalore district has a population of 1,828,730,[3] roughly equal to the nation of Kosovo[13] or the US state of Nebraska.

Indian Wild Ass, a rare member of Indian Wildlife seems to be increasing in numbers and extending its range from Little Rann of Kutch in the neighbouring Indian State of Gujarat, where the world's last population of this subspecies had got confined to in recent years, and has gradually started moving out and colonising Greater Rann of Kutch also extending into the neighbouring State of Rajasthan in the bordering villages in Jalore district bordering the Rann of Kutch in Gujarat and in Khejariali and its neighbourhood where a 60 km2 area was transferred to the Rajasthan Forest Department by the revenue authorities in 2007.

At this place Rebaris (camel and sheep breeders) live in the Prosopis juliflora jungles in the company of chinkaras, hyenas, common fox, desert cat and wolf etc.

[16] Flora: The hillocks and ridges in the area under discussion are characterised by khair (Acacia Katechu); thar (Euphabia Nerrifolia) and babuls.

The plains are vegetated by Aawal (Casia auriculate) akra, kiker (Acacia arabica).

Also presence of aeolian sand makes it tough for agricultural growth due its high permeability.