Nedumangad panchayat was formed in 1936. It was one among the four Panchayats sanctioned by Sir C.P.Ramaswamy Iyer (Diwan-Thiruvithamcore). The others were Paravur, Boothapandi and Perumbavoor. In 1978 Nedumangad Municipality was established.

The adivasis are the tribal people of the region. From 1677 to 1689 AD, Umayamurani, who ruled Travancore, lost to the battlefield and escaped to Koyikkal Palace, Nedumangad. The queen sought the help of Kerala Varma to defeat the Mukkappappa. History has indicated that Kerala Varma defeated Mukulapada in Thiruvattar and took Umayamma Rani into Trivandrum. The arrival of Umayamma Rani Koyikkal headquarters came to this place by the merchants of the merchants, golden tattans and the Tamil Brahmins who became Puaris. The Tamil Brahmins became the heirs of most land in the area. The palace at Karipur, Pulellunthu Mallan's family head, Karippur Mudipura are the historical findings of the ancient history of Nedumangad. Nedumangad Koyikkal palace is one of the few buildings built in the shape of the sea in the 15th century Kerala Architectural Architecture. The historic Koyikkal Palace has been maintained since 1979 by the Kerala State Department of Archaeology. Nedumangad Street struggle was one of the historical struggles of the national movement during Independence. The LLA LP School, which started as "Pallalu school", is the first school to be established here. The first library of the library is the Guruvayur Vidyalaya. Karimbikkavu Sree DharmaSastha Temple, Mannamkonam Sree Bhagavathy Temple, Indalayappan Temple, Ardhanarisheshwara Temple, Muthumariamman Temple, Melamcode Temple, Mutharamman Temple, Pathadavu, Pazhavadi Ganapati Temple, Paranthokha Bhagwati Temple, Nedumangad Town Muslim Jamaath Complex and the Christian Church are some of the oldest shrines of the region. Nedumangad's commercial history is concerned with agriculture. Nedumangad Public Market is the largest market in the district of Thiruvananthapuram. It is the largest market for the hill stations and agricultural commodities. The Agrarian Sales Complex, with the help of the Department of Agriculture, is set up with the help of the European Economic Community. Thiruvananthapuram - Chenkotta (State Highway 2) and Shorlakode – Nedumangad State Highway (SH 3) is one of the most important interstate routes through Nedumangad. The main road that passes through Ponmudi is the main road that passes through Nedumangad. The distance from Nedumangad to the capital city is only 18 km. In the state of Kerala, the first of its kind in the state of Kerala was started by the Folklore Museum and the Museum of Numismatics at Nedumangad Koyikkal Palace on 27 March 1992. The Koyikkal Palace is located next to the municipal office. The museum is located in Coimbatore and is under the control of Government of Kerala. Nedumangad is also a place on the journey to the Ponmudi hill resort. PSLV, a subsidiary of ISRO and VSSC The project is located at Nedumangad, Valiyamala. The "Amman Rock" located at Venkode is popular among tourists. A Numismatical Museum was started on 27 March 1992 at Koyikkal palace at Nedumangad.

Nedumangad is a gate way of various tourist places in Trivandrum. The main attractions are: Agasthyarkoodam, a mountain preserve famous for its abundant ayurvedic herbs and medicinal plants is around 50 km away. About 32 km from Nedumangad, en route to the Ponmudi Hill Resort lies the Peppara Wildlife Sanctuary, which is of particular interest to ornithologists. Near Nedumangad town another Monolithic – Thiruchittapara is located. With Siva Vishnu Temple, many monkeys congregated here. The name Nedumangadu means kadu (forest) of Vishnu, who was called Neduman, Neduvan, and Nediyavan in ancient texts like Chilappadikaram.

Kerala's Numismatic museum is at Koikkal Palace within Nedumangad Town. The palace was the residence of one of the prominent matriarchal lines of Travancore.

Aruvikkara Dam
Peppara Dam
Neyyardam
Mankayam waterfalls
Vazhvanthol waterfalls
Meenmutty waterfalls
Lower meenmooty
Thenmala dam