Rahim Yar Khan's 2020 population is now estimated at 463,949. In 1950, the population of Rahim Yar Khan was 13,999. Rahim Yar Khan has grown by 65,866 since 2015, which represents a 3.11% annual change. These population estimates and projections come from the latest revision of the UN World Urbanization Prospects. These estimates represent the Urban agglomeration of Rahim Yar Khan, which typically includes Rahim Yar Khan's population in addition to adjacent suburban areas.
| Year | Population | Growth Rate (%) | Growth |
|---|---|---|---|
| 2035 | 681,522 | 2.51% | 79,528 |
| 2030 | 601,994 | 2.55% | 71,102 |
| 2025 | 530,892 | 2.73% | 66,943 |
| 2020 | 463,949 | 3.11% | 65,866 |
| 2015 | 398,083 | 3.26% | 58,919 |
| 2010 | 339,164 | 3.26% | 50,198 |
| 2005 | 288,966 | 3.25% | 42,758 |
| 2000 | 246,208 | 3.60% | 39,953 |
| 1995 | 206,255 | 3.91% | 35,987 |
| 1990 | 170,268 | 3.91% | 29,708 |
| 1985 | 140,560 | 4.15% | 25,857 |
| 1980 | 114,703 | 5.74% | 27,937 |
| 1975 | 86,766 | 5.24% | 19,546 |
| 1970 | 67,220 | 4.61% | 13,555 |
| 1965 | 53,665 | 5.40% | 12,409 |
| 1960 | 41,256 | 11.53% | 17,345 |
| 1955 | 23,911 | 11.30% | 9,912 |
| 1950 | 13,999 | 0.00% |