|Elevation||184 m (604 ft)|
|Time zone||IST (UTC+5:30)|
Jammalamadugu is a municipality in Kadapa district of Andhra Pradesh in India. It lies on the left bank of the river Penneru. Mylavaram reservoir was constructed on this river near the town, and Gandikota reservoir near Gandikota fort. This place, sometimes referred to as Jambulamadugu in the earlier records, is the only town in the taluk and is the headquarters. It is almost in the border of three Rayalaseema districts YSR District(Kadapa), Kurnool and Anantapur. It is also the headquarters of the Revenue Division and the Block bearing its name. Jammalamadugu has a considerable export trade in coarse sarees, produced both in the town and in adjoining villages. It is equally famous for its trade in ghee and also trades in cotton, groundnut, jowar and other millets. In recent years its trade in citrus fruits appears to be on the increase. There are many lemon orchards near the bank of penna river and surrounding areas.
Jammalamadugu is located at  It has an average elevation of 169 metres (554 feet)..
As of 2001[update] India census, Jammalamadugu had a population of 90,502. Males constitute 49% of the population and females 51%. Jammalamadugu has an average literacy rate of 79.5%, higher than the national average of 59.5%: male literacy is 85%, and female literacy is 74%. 11% of the population is under 6 years of age.
Ambha bhavani Temple, Sri Narapura Venkateswara Swamy temple, Kanyakaparameswari temple, Saibaba temple,chowdeswary temple etc., are some famous temples. Gandikota fort and the Penna valley, Gandikota reservoir are other attractions. Jyothi Festival in Dommaranandyala village near Jammalamadugu.
- "Elevation for Jammalamadugu". Veloroutes. Retrieved 12 August 2014.
- "Census 2011". The Registrar General & Census Commissioner, India. Retrieved 12 August 2014.
- Falling Rain Genomics, Inc - Jammalamadugu
- "Census of India 2001: Data from the 2001 Census, including cities, villages and towns (Provisional)". Census Commission of India. Archived from the original on 2004-06-16. Retrieved 2008-11-01.
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