# East Barito Regency

East Barito Regency (Indonesian: Kabupaten Barito Timur) is one of the thirteen regencies which comprise the Central Kalimantan Province on the island of Kalimantan (Borneo), Indonesia. It was formed on 10 April 2002 from districts which were formerly part of South Barito Regency. The town of Tamiang Layang is the capital of East Barito Regency, which covers an area of 3,834 km$^2$. The population of the Regency was 97,372 at the 2010 Census and 113,229 at the 2020 Census; the official estimate as at mid 2023 was 117,312 (comprising 60,032 males and 57,280 females).

## Administrative Districts

East Barito Regency consists of ten districts (kecamatan), tabulated below with their areas and their population totals from the 2010 Census and the 2020 Census, 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 100 rural desa and 3 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 code |
| 62.13.02 | Benua Lima | 258.0 | 6,071 | 6,336 | 6,474 | Taniran | 7 $^{(a)}$ | 73661 |
| 62.13.01 | Dusun Timur (East Dusun) | 867.7 | 21,323 | 28,144 | 30,163 | Tamiang Layang | 17 $^{(a)}$ | 73612 - 73618 $^{(b)}$ |
| 62.13.07 | Paju Epat | 664.3 | 3,990 | 6,270 | 6,794 | Telang | 9 | 73617 |
| 62.13.04 | Awang | 203.0 | 5,587 | 6,101 | 6,189 | Hayaping | 11 | 73681 |
| 62.13.03 | Patangkep Tutui | 255.0 | 7,225 | 7,001 | 7,048 | Bentot | 10 | 73671 |
| 62.13.05 | Dusun Tengah (Central Dusun) | 371.0 | 22,578 | 24,458 | 24,752 | Ampah Kota | 8 $^{(a)}$ | 73652 |
| 62.13.08 | Raren Batuah | 186.0 | 7,603 | 8,327 | 8,454 | Unsum | 9 | 73655 |
| 62.13.09 | Paku | 272.0 | 7,554 | 8,686 | 8,944 | Tampa | 12 | 73654 |
| 62.13.10 | Karusen Janang | 178.0 | 4,194 | 5,312 | 5,625 | Dayu | 7 | 73650 |
| 62.13.06 | Pematang Karau | 579.0 | 11,247 | 12,594 | 12,869 | Bambulung | 13 | 73653 |
| | Totals | 3,834.0 | 97,372 | 113,229 | 117,312 | Tamiang Layang | 103 | |
Note: (a) including one kelurahan - the district admin centre. (b) the village of Magantis has a postcode of 73612, Matabu of 73613, Dorong of 73614, Harang of 73615, while seven villages share 73617 and six villages share 73618.

## Climate

Tamiang Layang has a tropical rainforest climate (Af) with heavy rainfall from October to June and moderate rainfall from July to September.
Climate data for Tamiang Layang :
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Mean daily maximum °C (°F) | 29.5 (85.1) | 30.1 (86.2) | 30.3 (86.5) | 30.7 (87.3) | 30.8 (87.4) | 30.4 (86.7) | 30.4 (86.7) | 31.0 (87.8) | 31.3 (88.3) | 31.3 (88.3) | 30.6 (87.1) | 30.1 (86.2) | 30.5 (87.0) |
| Daily mean °C (°F) | 26.0 (78.8) | 26.4 (79.5) | 26.5 (79.7) | 26.9 (80.4) | 27.0 (80.6) | 26.5 (79.7) | 26.3 (79.3) | 26.7 (80.1) | 26.9 (80.4) | 27.0 (80.6) | 26.7 (80.1) | 26.5 (79.7) | 26.6 (79.9) |
| Mean daily minimum °C (°F) | 22.6 (72.7) | 22.7 (72.9) | 22.8 (73.0) | 23.1 (73.6) | 23.2 (73.8) | 22.6 (72.7) | 22.2 (72.0) | 22.4 (72.3) | 22.6 (72.7) | 22.7 (72.9) | 22.8 (73.0) | 22.9 (73.2) | 22.7 (72.9) |
| Average rainfall mm (inches) | 286 (11.3) | 262 (10.3) | 274 (10.8) | 246 (9.7) | 208 (8.2) | 147 (5.8) | 118 (4.6) | 98 (3.9) | 123 (4.8) | 145 (5.7) | 241 (9.5) | 301 (11.9) | 2,449 (96.5) |
| Source: Climate-Data.org ||||||||||||||

## Demographics

Religion in East Barito Regency (2022)
As of 2022, the total population of East Barito regency is 115,406 people. The population density of East Barito is roughly 30.10 people/km$^2$. The sex ratio in this regency is 105 which can be translated as there are 105 male population for a 100 female one. East Barito is one of the most diverse regencies of Central Kalimantan in terms of religious adherence. This regency is not overwhelmingly Muslim majority and it has the second highest percentage of Christian population in Central Kalimantan after Gunung Mas Regency.