| Official Name: | Lumajang Regency |
| Motto: | Amreta Brata Wira Bhakti (Eternal virtue by act of gallantry and devotion) |
| Pushpin Map: | Indonesia_Java#Indonesia |
| Subdivision Type: | Country |
| Subdivision Name: | Indonesia |
| Subdivision Type1: | Province |
| Subdivision Name1: | East Java |
| Leader Title: | Acting Regent |
| Leader Name: | Indah Wahyuni |
| Established Date: | 15 December 1255 |
| Area Total Km2: | 1790.90 |
| Population As Of: | mid 2023 estimate |
| Population Note: | [1] |
| Population Total: | 1108487 |
| Population Density Km2: | auto |
| Timezone: | IWST |
| Utc Offset: | +7 |
| Coordinates: | -8.1333°N 126°W |
| Settlement Type: | Regency |
| Pushpin Map Caption: | Location in Java and Indonesia |
| Seat Type: | Capital |
| Seat: | Lumajang |
| Area Code Type: | Area code |
| Area Code: | (+62) 334 |
Lumajang Regency is a Regency (Indonesian: kabupaten) located in the East Java province of Indonesia. It covers an area of 1,790.90 sq. km, and had a population of 1,006,458 at the 2010 Census[2] and 1,119,251 at the 2020 Census.[3] The mid 2022 official estimate was originally stated to be 1,137,230, but was revised down to 1,097,504.[4] The official estimate for mid 2023 was 1,108,487 (comprising 550,172 males and 558,315 females).[5] The regency shares its land borders with Jember Regency (to the east), Probolinggo Regency (to the north), and Malang Regency (to the west), while it borders the Indian Ocean to the south.
Lumajang is located approximately 150 km southeast of Surabaya. Its temperature ranges between 24 °C to 32 °C.
Lumajang is one of the ancient cities in Java which still exist up to this day.[6] According to Mula Malurung artifact (dated 1177 Saka), Lumajang was then ruled by King Nararyya Kirana Sminingrat. The date of the artifact, which is 15 December 1255 in the Gregorian calendar, was decided as the date of establishment of Lumajang. Menhirs found in the districts of Senduro, Gucialit, Sukodono, Klakah, and Lumajang reveal that in prehistoric times, the present area of Lumajang had already been inhabited long before the date of Mula Malurung artifact.[6]
For legislators elected in 2024, the regency is represented in the national and provincial houses of representatives as part of and the provincial 5th electoral district, respectively, both of which it shares with neighboring Jember Regency.[7] [8] The has 50 members elected from 7 electoral districts.[9] The current acting regent, serving since 24 September 2023, is Indah Wahyuni, who replaced the previously elected regent Thoriqul Haq.[10]
Lumajang Regency is divided into 21 districts (kecamatan), tabulated below with their areas and their populations at the 2010 Census[11] and the 2020 Census,[12] together with the official estimates as at mid 2023.[13] Each district bears the same name as its administrative centre. The table also includes the numbers of administrative villages in each district (totalling 198 rural desa and 7 urban kelurahan - the latter all in Lumajang (town) District), and the post codes.
| Kode Wilayah | Name of District (kecamatan) | Area in km2 | Pop'n Census 2010 | Pop'n Census 2020 | Pop'n Estimate mid 2023 | No. of villages | Post code | |
|---|---|---|---|---|---|---|---|---|
| 35.08.01 | Tempursari | 105.35 | 28,501 | 33,819 | 33,687 | 7 | 67375 | |
| 35.08.02 | Pronojiwo | 141.49 | 31,737 | 37,759 | 36,034 | 6 | 67374 | |
| 35.08.03 | Candipuro | 143.09 | 62,226 | 73,617 | 75,354 | 10 | 67373 | |
| 35.08.04 | Pasirian | 128.39 | 83,683 | 92,035 | 90,047 | 11 | 67372 | |
| 35.08.05 | Tempeh | 73.21 | 78,806 | 85,929 | 84,751 | 13 | 67371 | |
| 35.08.10 | Lumajang (town) | 28.47 | 80,685 | 84,649 | 84,772 | 12 (a) | 67316 (b) | |
| 35.08.21 | Sumbersuko | 29.07 | 33,913 | 36,137 | 36,571 | 8 | 67316 | |
| 35.08.09 | Tekung | 27.88 | 32,565 | 35,565 | 35,477 | 8 | 67381 | |
| 35.08.06 | Kunir | 53.30 | 51,679 | 56,181 | 56,094 | 11 | 67383 | |
| 35.08.07 | Yosowilangun | 72.44 | 56,546 | 61,299 | 60,411 | 12 | 67382 | |
| 35.08.08 | Rowokangkung | 58.88 | 34,149 | 38,391 | 38,200 | 7 | 67359 | |
| 35.08.17 | Jatiroto | 53.69 | 45,247 | 48,226 | 47,643 | 6 | 67355 | |
| 35.08.18 | Randuagung | 93.92 | 60,853 | 70,343 | 69,375 | 12 | 67354 | |
| 35.08.15 | Sukodono | 28.81 | 49,949 | 56,352 | 56,382 | 10 | 67351 | |
| 35.08.14 | Padang | 53.83 | 34,615 | 37,943 | 37,586 | 9 | 67352 | |
| 35.08.11 | Pasrujambe | 162.47 | 34,916 | 40,987 | 41,111 | 7 | 67361 | |
| 35.08.12 | Senduro | 170.90 | 42,892 | 49,314 | 50,032 | 12 | 67362 | |
| 35.08.13 | Gucialit | 101.79 | 23,436 | 26,274 | 26,041 | 9 | 67353 | |
| 35.08.16 | Kedungjajang | 66.13 | 43,499 | 47,685 | 46,388 | 12 | 67358 | |
| 35.08.19 | Klakah | 87.42 | 51,118 | 56,664 | 54,593 | 12 | 67356 | |
| 35.08.20 | Ranuyoso | 110.36 | 45,443 | 50,082 | 47,938 | 11 | 67357 | |
| Totals | 1,790.90 | 1,006,458 | 1,119,251 | 1,108,487 | 205 |
Notes: (a) comprising 7 urban kelurahan (Citrodiwangsan, Ditotrunan, Jogotrunan, Jogoyudan, Kepuharjo, Rogotrunan and Tompokerasan) and 5 rural desa.
(b) except the kelurahan of Tompokersan (postcode 67311), Citrodiwangsan (67312), Ditotrunan (67313), Jogotrunan (67314) and Jogoyudan (67315);
the other kelurahan of Kepuharjo and Rogotrunan share the 67316 postcode with the 5 desa within Lumajang District and the whole of Sumbersuko District.
The population comprises Javanese, Madurese, Chinese Indonesians, and Tenggerese.
Lumajang has a tropical savanna climate (Aw) with moderate to little rainfall from May to September and heavy to very heavy rainfall from October to April.