The Central District of Khalilabad County () is in Razavi Khorasan province, Iran. Its capital is the city of Khalilabad.
At the time of the 2006 National Census, the district's population was 26,770 in 7,276 households. The following census in 2011 counted 30,159 people in 9,013 households. The 2016 census measured the population of the district as 31,786 inhabitants in 10,209 households.