The town is located in the bank of Vaippar river. Sattur taluk has contents of black soil around the town, suitable for crop cultivation. The town lies in NH 7 and has very good road and railway connectivity.
Sattur is located at 9.37°N 77.93°E / 9.37; 77.93. It has an average elevation of 56 metres (183 feet). Sattur is located between two rivers Vaippar and Uppodai. Sattur has good amenties such as banks, railway stations, bus stands and ATMs .
Shiva and Vishnu temples in Sattur find historical mention. Around Sattur, Irukangudi, Sirukulam and Oodaipatti have temples of Mariamman, Arulmigu Muthalamman Temple and Vinayagar respectively. The town has very old Masjid and Eid-Ka Ground (Kattu Pallivasal)
Sattur elects one MLA to the legislative assembly of the State.
Sattur is home of very famous snack item "Kaara Sevu" which is well renowned one. Kaara Sevu from "Shunmuga Nadar Mittai kadai" is preferred by most of the people.
Nadar community was the leading community in and around this area.
According to 2011 census, Sattur had a population of 29,398 with a sex-ratio of 1,042 females for every 1,000 males, much above the national average of 929. A total of 2,691 were under the age of six, constituting 1,407 males and 1,284 females. Scheduled Castes and Scheduled Tribes accounted for 7.68% and 0.81% of the population respectively. The average literacy of the town was 78.85%, compared to the national average of 72.99%. The town had a total of : 8093 households. There were a total of 13,065 workers, comprising 24 cultivators, 42 main agricultural labourers, 267 in house hold industries, 12,393 other workers, 339 marginal workers, 2 marginal cultivators, 5 marginal agricultural labourers, 27 marginal workers in household industries and 305 other marginal workers.
As per the religious census of 2011, Sattur had 91.3% Hindus, 3.45% Muslims, 5.13% Christians, 0.01% Sikhs, 0.02% Jains, and 0.09% following other religions.
Sattur is well known as a fountain-pen nib manufacturing centre. It is probably the only place in India that continues to this date, in this line of business as a Cottage Industry. Other small scale cottage units like Printing press, Fireworks and Match box/Matchstick industries are also present, scattered around the town. Stainless steel tongue cleaner is another important product that is manufactured here and supplied throughout India. Fathima Steel Rolling mill involves in this work for more than four decades.
A fairly large part of the population is involved in Matchstick manufacturing industry. Also, there are timber depots and raw material suppliers exclusively for the safety match and firework sectors in this area.
Match-stick frames (a collection of wood-strips to hold individual match sticks), Racks (stacks holding individual frames), and various other items for match factories continue to be supplied locally as also to various other parts of Tamil Nadu. Log-wood, another raw material for these industry, is procured from other nearby towns such as Tenkasi, Nagercoil and the neighboring state Kerala.
Railway is the main form of transport locally. The town is well-connected with neighboring places by road and railway. The surrounding places are well connected by bus government operated transport and private bus services. The Mini Bus services (Private) connects the villages nearby in effective way. The railway station has computerized reservation counter and the railway station code for Sattur is SRT. The nearest airport is Madurai ( 77 km from Sattur ) and nearest sea port is Thoothukudi ( 80 km from Sattur ). Direct Trains are available to Chennai, Coimbatore, Bangalore, Mumbai, Mysuru, Kolkata and New Delhi. The National Highway, NH7 runs through the town. As Railway station and Bus Stand lies next to each other it is easy for passengers. Direct buses are available to Chennai.
Sattur is the cultural centre of Virudhunagar District. Apart from the temple of famous goddess "Irukaankudi Mariamman" and its old heritage, there is a little known but historically important place. That place is a small rest house-cum-mosque, which is located on southwest boundary of the city on the highway lane.
From 2009, Sattur assembly constituency is part of Virudhunagar lokSabha constituency; formerly it was known as the sivakasi (Lok Sabha constituency).