|Time zone||IST (UTC+5:30)|
As of 2001[update] India census, Timiri had a population of 14,939. Males constitute 50% of the population and females 50%. Timiri has an average literacy rate of 68%, higher than the national average of 59.5%: male literacy is 77%, and female literacy is 59%. In Timiri, 11% of the population is under 6 years of age.
In Timiri, there are very ancient temples (history goes back thousands of years): 1) Pashana Lingam Temple(Shiva Lingam made in Nava Pashana) () 2) Somanatheswarar Temple 3) Varadaraja Perumal temple 4) Aiyappan Temple 5) Kumaragiri Murugan Temple. 6) and few more amman temples.
Near Timiri, there is a village by name Ramapalayam. they have very big and ancient Mari Amman Temple. Timiri is known for major number of rice mills, temples & textile industry. The rice made here goes to all over the country and even get exported abroad.major textile activity like power loom, hand loom, spinning. Large numbers of handloom silk sarees are made every year which distribute to nearby town which the product goes by the name of arani silk sares. Thimiri / Timiri is on the state Highway4 or SH4 between Arcot and Arani. This is famous route of Arani to Chennai Highway. There are buses (Route 202) Between Arani and Chennai very frequently. Govt plans, it would be good to have another bye pass (Outer Ring road) to connect to Kalavai road. It should come up like the way the ARANI Bye pass (before Irumbedu) connecting Vellore/Polur/Cheyyar Road has come up few years back, in circle. Thimiri is main town connecting most popular of agricultural villages and forest. Highly milk products town in the district.
- "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.