# East Kutai Regency

East Kutai Regency (Indonesian: Kabupaten Kutai Timur) is a regency of East Kalimantan province, Indonesia. It has an area of 31,239.84 km$^2$ and had a population of 253,904 at the 2010 census and 434,459 at the 2020 census; the official estimate as at mid 2024 was 448,850 people (comprising 240,268 males and 208,582 females), a decrease from 455,504 in mid 2023. The town of Sangatta is the capital of the regency.
There are several coal mining companies with concessions around this regency, including Kaltim Prima Coal, one of the largest coal mining companies in Indonesia. The regency also contains one of the largest coal mines in Asia - the East Kutai coal mine.
East Kutai is home to the world's oldest known figurative art at Lubang Jeriji Saléh.

## Administrative districts

East Kutai Regency is divided into eighteen districts (kecamatan), tabulated below with their areas and their 2010 and 2020 census populations, together with the official estimates as at mid 2023. The table also includes the locations of the district administrative centres, the number of administrative villages in each district (a total of 139 rural desa and 2 urban kelurahan), and its postal codes.
| Kode Wilayah | Name of District (kecamatan) | Area in km$^2$ | Pop'n census 2010 | Pop'n census 2020 | Pop'n estimate mid 2023 | Admin centre | No. of villages | Post codes |
| 64.08.01 | Muara Ancalong | 1,883 | 12,511 | 15,246 | 14,590 | Kelinjau Ilir | 9 | 75656 $^{(a)}$ |
| 64.08.02 | Muara Wahau | 5,381.9 | 15,734 | 35,963 | 31,015 | Muara Wahau | 10 | 75655 |
| 64.08.03 | Muara Bengkal | 779 | 11,331 | 14,030 | 13,591 | Muara Bengkal Ulu | 7 | 75656 |
| 64.08.04 | North Sangatta (Sangatta Utara) | 334 | 72,156 | 120,873 | 125,410 | Sangatta Utara | 4 $^{(b)}$ | 75681 |
| 64.08.05 | Sangkulirang $^{(d)}$ | 2,046.8 | 16,181 | 26,449 | 24,245 | Benua Baru Ilir | 15 | 75686 |
| 64.08.06 | Busang | 3,829 | 4,326 | 6,396 | 5,928 | Long Lees | 6 | 75556 |
| 64.08.07 | Telen | 1,475.7 | 5,766 | 10,829 | 9,883 | Jun Ayak | 8 | 75554 |
| 64.08.08 | Kongbeng | 1,078.9 | 15,631 | 27,609 | 30,716 | Miau Baru | 7 | 75555 |
| 64.08.09 | Bengalon | 3,668.3 | 22,698 | 45,314 | 42,302 | Sepaso | 11 | 75618 |
| 64.08.10 | Kaliorang | 276 | 7,998 | 15,355 | 17,682 | Bukit Makmur | 7 | 75617 |
| 64.08.11 | Sandaran $^{(e)}$ | 2,918 | 6,494 | 12,604 | 10,878 | Manubar | 9 | 75685 |
| 64.08.12 | South Sangatta (Sangatta Selatan) | 1,225 | 18,194 | 30,117 | 30,760 | Sangatta Selatan | 4 $^{(c)}$ | 75680 |
| 64.08.13 | Teluk Pandan (Pandan Bay) | 907 | 12,208 | 18,791 | 14,247 | Teluk Pandan | 6 | 75682 |
| 64.08.14 | Rantau Pulung | 916 | 7,203 | 12,167 | 13,871 | Kebon Agung | 9 | 75683 |
| 64.08.15 | Kaubun | 583 | 9,622 | 14,867 | 16,570 | Bumi Etam | 8 | 75619 |
| 64.08.16 | Karangan | 3,481 | 9,133 | 13,008 | 12,213 | Karangan Hilir | 7 | 75684 |
| 64.08.17 | Batu Ampar | 738 | 4,201 | 7,673 | 8,513 | Batu Timbau | 7 | 75654 |
| 64.08.18 | Long Mesangat | 265 | 4,250 | 7,168 | 7,226 | Sumber Sari | 7 | 75654 - 75656 |
| | Totals | 31,785.6 | 255,637 | 434,459 | 429,640 | Sangatta | 141 | |
Notes: (a) except the village of Kelinjau Ulu (which has a postcode of 75556). (b) includes the kelurahan of Teluk Lingga. (c) includes the kelurahan of Singa Geweh. (d) includes 16 islands off the coast of Kalimantan. (e) includes 8 islands off the coast of Kalimantan.

## Climate

Sangatta, the seat of the regency has a tropical rainforest climate (Af) with moderate rainfall from July to October and heavy rainfall from November to June.
Climate data for Sangatta :
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Mean daily maximum °C (°F) | 30.0 (86.0) | 30.2 (86.4) | 30.4 (86.7) | 30.4 (86.7) | 30.6 (87.1) | 30.1 (86.2) | 29.7 (85.5) | 30.2 (86.4) | 30.3 (86.5) | 30.9 (87.6) | 30.6 (87.1) | 30.3 (86.5) | 30.3 (86.6) |
| Daily mean °C (°F) | 26.4 (79.5) | 26.6 (79.9) | 26.8 (80.2) | 26.8 (80.2) | 27.1 (80.8) | 26.7 (80.1) | 26.3 (79.3) | 26.7 (80.1) | 26.7 (80.1) | 27.2 (81.0) | 26.9 (80.4) | 26.7 (80.1) | 26.7 (80.1) |
| Mean daily minimum °C (°F) | 22.9 (73.2) | 23.0 (73.4) | 23.2 (73.8) | 23.3 (73.9) | 23.7 (74.7) | 23.4 (74.1) | 22.9 (73.2) | 23.3 (73.9) | 23.2 (73.8) | 23.5 (74.3) | 23.3 (73.9) | 23.2 (73.8) | 23.2 (73.8) |
| Average rainfall mm (inches) | 157 (6.2) | 142 (5.6) | 190 (7.5) | 203 (8.0) | 201 (7.9) | 157 (6.2) | 107 (4.2) | 115 (4.5) | 117 (4.6) | 123 (4.8) | 193 (7.6) | 190 (7.5) | 1,895 (74.6) |
| Source: Climate-Data.org ||||||||||||||