|Elevation||210 m (690 ft)|
|• Official||Hindi, Khortha, Santali|
|Time zone||IST (UTC+5:30)|
Once a small grain trading hub of the region, Chas became notable during the Second World War when the British government used it as a base to supply soldiers fighting in the eastern front against the Japanese. After the decision of Government of India to establish the Bokaro Steel Plant, the economic activity of Chas gathered momentum. It was the administrative headquarters of the area when Bokaro was a part of Dhanbad district, and later when Bokaro became a district itself. Later the headquarters were moved to the Bokaro steel city.
Chas is located at  It has an average elevation of 210 metres (688 feet). It is situated on the junction of National Highway 23 and National Highway 32. Some places of interest include Telidih Road, Check Post, Bhootnath Mandir, Joda Mandir, Jagadamba mandir, Solagidih Surya mandir, Jodhadih More, Shivpuri Colony, Narayanpur, Ashok Vatika Colony, Bihar Colony, Bhagwati Colony..
As per 2011 Census of India, Bokaro Steel City Urban Agglomeration had a total population of 563,417, of which males were 299,232 and females 264,185. Bokaro Steel City Urban Agglomeration is composed of Bokaro Steel City (Census Town), Chas (Nagar Parishad) and Bandhgora (CT).
As per 2011 Census of India, Chas Nagar Parishad had a total population of 141,640, of which 74,720 were males and 66,913 females. Scheduled Castes numbered 6,507 and Scheduled Tribes numbered 796.
In the 2001 India census, Chas had a population of 96,923, males constitute 54% of the population and females 46%. Chas has an average literacy rate of 69%, higher than the national average of 59.5%; with male literacy of 77% and female literacy of 58%. 15% of the population is under 6 years of age.
On February 10, 2015, Chas was accorded municipal corporation status adding Kandra and Bandhgora to its area increasing the town's population to 156,888 from 141,640,
As of 2011[update] census, the total number of literates in Bokaro Steel City UA was 420,736 (84.87 per cent of total population) out of which 242,827 (92.27% of males) were males and 177,909 (76.50% of females)were females.
- "Chas". Falling Rain Genomics, Inc. Retrieved 2010-01-08.
- "Provisional population totals, Census of India 2011" (PDF). Urban Agglomeration – Cities having population 1 lakh and above. Government of India. Retrieved 14 December 2015.
- "Provisional population totals, Census of India 2011" (PDF). Constituents of Urban Agglomerations having population above 1 lakh and above, Census 2011. Government of India. Retrieved 14 December 2015.
- "2011 Census – Primary Census Abstract Data Tables". Jharkhand – District-wise. Registrar General and Census Commissioner, India. Retrieved 14 December 2015.
- "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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