The Rajon located in the center of the country. It is bordered by the Municipality Chisinau, to the breakaway Transnistria and to the Rajons Anenii Noi Orhei and Străşeni.
The Rajon Criuleni has existed since 2003. Until February 2003, the area belonged in common with today's Rajons Anenii Noi, Ialoveni and Străşeni the now defunct county Chisinau ( Chisinau Judeţul ).
1959 56,982 inhabitants lived in what is now Rajons. In the following decades, the population steadily increased. Up to 71 351 from 64 954 in 1970, about 68 154 in 1979 in 1989 while the number of inhabitants throughout Moldova declined until the next census in 2004, she rose Rajon Criuleni further to 72 254.
According to the 2004 census put the Moldovans with 92.8 % the proportionally by far the largest ethnic group, while 75.8 % described themselves nationally as Moldovans. Smaller minorities in Rajon Criuleni form the Ukrainians at 3.7%, 1.6% Romanians and the Russians of 1.4% and the Gagauz and Bulgarians, each with 0.1%.