Construction Cost Index of Bontang City, East Kalimantan 2025

The Construction Cost Index (IKK) of Bontang City, East Kalimantan, reached 121.37 points in 2025.

This figure increased by 2.97 points compared to last year and rose by 14.54 points in the last five years.

Referring to the publication of the Central Statistics Agency (BPS) regarding the Provincial and Regency/City IKK 2025, IKK is a price index that describes the level of construction expensiveness of a regency/city compared to prices in the reference city, Surabaya.

The higher the IKK figure in a regency/city, the higher the construction price of a building in that area.

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Based on this definition, an IKK of 121.37 points for Bontang City indicates that the construction price of buildings in the area is equivalent to 1.214 times the construction price in Surabaya City.

Compared to 10 other regencies/cities in East Kalimantan, Bontang City's IKK ranks 7th lowest.

The lowest IKK is in Samarinda City (107.38 points), while the highest is in Mahakam Hulu Regency (139.05 points).

Here is a list of the 5 regencies/cities with the lowest IKK in East Kalimantan in 2025.

1. Samarinda City: 107.38 points
2. Balikpapan City: 113.21 points
3. Berau Regency: 113.43 points
4. Kutai Kartanegara Regency: 116.72 points
5. Paser Regency: 118.75 points

List of 5 regencies/cities with the highest IKK in East Kalimantan in 2025.

1. Mahakam Hulu Regency: 139.05 points
2. West Kutai Regency: 129.02 points
3. East Kutai Regency: 127.39 points
4. Bontang City: 121.37 points
5. North Penajam Paser Regency: 119.59 points

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