The Central District of Darreh Shahr County () is in Ilam province, Iran. Its capital is the city of Darrehshahr.
At the time of the 2006 National Census, the district's population was 34,983 in 7,176 households. The following census in 2011 counted 38,716 people in 9,723 households. The 2016 census measured the population of the district as 39,562 inhabitants in 10,874 households.