Keelmaruvathur is a village in Cheyyur tehsil in district of Kancheepuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Keelmaruvathur was 2,125 which includes 1,066 males and 1,059 females. Keelmaruvathur covers 223.01 ha area. Pincode of Keelmaruvathur is 603319.