It has 35475 units of house hold and total area 232.64 km².Kalaroa is bounded by sharsha, jhikargachha and manirampur upazilas on the north, satkhira sadar and tala upazilas on the south, keshabpur, Manirampur and Tala upazilas and the Kobadak river on the east, West Bengal of India on the west. Main rivers are kobadak, Betraboti, Sonai, Ichamati.Kumarnal,Murari Katy, Gonopatipur(the ideal village
), Sonabaria, Kushudanga, Tulshidanga, Batra, Sreerampur, Bujtola,Kazirhat, Khordo, Chandonpur are most famous village in Kalaroa. There are more that 12 colleges in Kalaroa including Sheikh Amanullah Degree College, Kalaroa Govt. Average literacy 25.4%; male 33.2% and female 17.6%. Educational institutions: college 8, technical institution 4, high school 31, junior high school 6, madrasa 64 (mentionable Brozobaksha Islampur Madrasha and Kalaroa Alia Madrasha), government primary school 67, non-government primary school 45, low cost primary school 12, satellite school 5. Noted educational institutions: Murarikati Taraknandi Primary School (1881),Kaila High School(1983), Dhandia High School (1885), Kalaroa GKMK Pilot High School (1930), Girl’s Pilot High School (1968),
There is a Shohid Minar near by Upazila Post office. Cultural organisations Club 41, public library 5, public institute 1, cinema hall 3, women’s organisation 12, playground 27, kishore theatre 1. Locally published newspapers and periodicals are Pathikrit, Samatat, Suryashikha, Subarna Prasun and Dalchhut. Religious institutions include Mosque 405, temple 8 and church 3.