Kilnathur

Kilnathur, also known as Kizh-arunai, is a town panchayat and suburb in Tiruvannamalai district, Tamil Nadu, India. It is one of the oldest settlements in the North Arcot region. It developed along with Tiruvannamalai.

Kilnathur Kizh-Arunai
Panchayat town
Kilnathur Location in Tamil Nadu, India
Coordinates: 12.22°N 79.11°E / 12.22; 79.11
Country	India
State	Tamil Nadu
District	Tiruvannamalai
Government
• Chairman	ammaiayappan(dmk)
Area
• Total	16.3 km2 (6.3 sq mi)
Elevation	169 m (554 ft)
Population  (2012)
• Total	13,600
• Density	830/km2 (2,200/sq mi)
Languages
• Official	Tamil
Time zone	UTC+5:30 (IST)
Telephone code	91-4175
Vehicle registration	TN 25
Lok Sabha constituency	Tiruvannamalai
Vidhan Sabha constituency	Tiruvannamalai city
Climate	moderate (Köppen)
Avg. summer temperature	41 °C (106 °F)
Avg. winter temperature	18 °C (64 °F)

Demographics

Linguistic census Linguistic groups Percent(%) Tamil   70.57% Kannada   4.07% Urdu   3.79% Telugu   13.01% Tulu   6.01% Creole   0.4% Malay   0.13% Other   0.01%

Historical population

Year	Pop.	±%
1901	9,867	—
1951	13,912	+41.0%
1961	16,441	+18.2%
1981	24,462	+48.8%
1991	29,196	+19.4%
2001	34,376	+17.7%
2011	39,578	+15.1%
Sources: 1951 – 2001

As of 2001, Kilnathur had a population of 90,000. In the 2011 census, it had a population of 99,600.