Phnom penh city population Phnom Penh is in the south-central region of Cambodia, and fully surrounded by the Kandal province. 235 million migrants working abroad. Population: 2,129,371 people (2019 census). 1951 366,000 Phnom Penh is Cambodia's one and only capital and most populous city. The Phnom Penh Post. net Modern Phnom Penh was established as the royal seat of the post-Angkorian Khmer Empire in the 18th century under French colonial rule and is named after Wat Phnom, a 650-year-old Buddhist temple built atop a small hill in the city center. 2 million in 1971 swelled with war refugees to 2 million or more by 1975, when it was evacuated to almost nothing by the victorious Khmer Rouge communists. [1] Until around 2010, it was the largest urban lake in Phnom Penh. The largest city in Cambodia is Phnom Penh, with a population of 1,573,544 people. Under this initiative, Phnom Penh as a central service hub is set to become an international-standard and metropolitan city balanced with upgraded social services and a special provision to preserve its Battambang, city in western Cambodia that is the capital of Battambang province. sdgdjjaubtdwvczerxuahfhxkrevzcjyckbqlewofqazalibkxlvhkqsfwaxjoxxiaqynu