Indragiri Hilir Regency
Indragiri Hilir is the most eastern regency of Riau Province, Indonesia. It is located on the island of Sumatra. The regency has an area of 13,136.14 km2 and had a population of 661,779 at the 2010 census and 654,909 at the 2020 Census; the official estimate as at mid 2024 was 729,147. The administrative centre of the regency is the town of Tembilahan.
Administrative districts
The regency is divided into twenty districts, listed below with their areas and their populations at the 2010 census and the 2020 census, together with the official estimates as at mid 2024. The table also includes the locations of the district administrative centres, the number of administrative villages in each district, and its post code.| Kode Wilayah | Name of District | Area in km2 | Pop'n census 2010 | Pop'n census 2020 | Pop'n estimate mid 2024 | Admin centre | No. of desa | No. of kelurahan | Post code |
| 14.04.09 | Keritang | 898.53 | 61,420 | 63,103 | 76,555 | Kotabaru Reteh | 16 | 1 | 29275 |
| 14.04.14 | Kemuning | 901.90 | 29,647 | 38,499 | 44,965 | Selensen | 11 | 1 | 29274 |
| 14.04.01 | Reteh | 500.69 | 42,213 | 35,974 | 36,990 | Pulau Kijang | 11 | 3 | 29273 |
| 14.04.20 | Sungai Batang | 328.09 | 11,837 | 10,066 | 10,509 | Benteng | 7 | 1 | 29270 |
| 14.04.02 | Enok | 530.23 | 32,987 | 33,846 | 36,485 | Enok | 10 | 4 | 29272 |
| 14.04.10 | Tanah Merah | 470.57 | 29,820 | 25,236 | 26,743 | Kuala Enok | 9 | 1 | 29271 |
| 14.04.03 | Kuala Indragiri | 696.29 | 18,733 | 14,679 | 16,369 | Sapat | 7 | 1 | 29280 |
| 14.04.18 | Concong | 266.71 | 12,852 | 11,764 | 12,009 | Concong Luar | 5 | 1 | 29281 |
| 14.04.04 | Tembilahan | 162.14 | 69,498 | 77,862 | 84,608 | Tembilahan Hilir | - | 8 | 29211, 29212 and 29214 |
| 14.04.13 | Tembilahan Hulu | 127.52 | 42,675 | 46,662 | 51,735 | Tembilahan Hulu | 4 | 2 | 29213 |
| 14.04.05 | Tempuling | 553.47 | 29,584 | 31,633 | 41,845 | Sungai Salak | 5 | 4 | 29262 |
| 14.04.19 | Kempas | 596.50 | 32,641 | 38,671 | 35,798 | Harapan Tani | 10 | 2 | 29261 |
| 14.04.11 | Batang Tuaka | 421.23 | 26,412 | 27,190 | 30,447 | Sungai Piring | 12 | 1 | 29252 |
| 14.04.06 | Gaung Anak Serka | 621.14 | 21,252 | 22,591 | 31,750 | Teluk Pinang | 9 | 3 | 29253 |
| 14.04.12 | Gaung | 2,182.80 | 38,573 | 38,367 | 43,962 | Kuala Lahang | 15 | 1 | 29282 |
| 14.04.07 | Mandah | 857.14 | 38,247 | 34,531 | 39,584 | Khairiah Mandah | 16 | 1 | 29254 |
| 14.04.08 | Kateman | 563.16 | 43,783 | 39,284 | 44,669 | Tagaraja | 8 | 3 | 29255 |
| 14.04.15 | Pelangiran | 1,351.26 | 41,918 | 35,318 | 34,323 | Pelangiran | 15 | 1 | 29257 |
| 14.04.16 | Teluk Balengkong | 575.26 | 16,126 | 9,229 | 9,148 | Saka Rotan | 13 | - | 29258 |
| 14.02.17 | Pulau Burung | 531.49 | 21,561 | 20,404 | 20,653 | Pulau Burung | 14 | - | 29256 |
| Totals | 13,136.14 | 661,779 | 654,909 | 729,147 | Tembilahan | 197 | 39 |
Note: comprising the 8 kelurahan of Pekan Arba, Seberang Tembilahan, Sungai Beringin, Sungai Perak, Tembilahan Hilir, Tembilahan Kota, Seberang Tembilahan Barat and Seberang Tembilahan Selatan.