Construction Cost Index of Tapanuli Tengah Regency, North Sumatra 2025

The Construction Cost Index (IKK) of Tapanuli Tengah Regency, North Sumatra reached 98.34 points in 2025.

This figure decreased by 2.24 points compared to last year and 1.22 points over the past five years.

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

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

(Read: September 2025, Indonesia Consumer Confidence Index Drops Again)

Based on this definition, the IKK of Tapanuli Tengah Regency, which is 98.34 points, indicates that the building construction cost in this area is equivalent to 0.983 times the construction cost in Surabaya.

When compared to the other 33 regencies/cities in North Sumatra, the IKK of Tapanuli Tengah Regency ranks 24th lowest.

The highest IKK is in Batu Bara Regency (88.63 points), while the lowest is in West Nias Regency (109.37 points).

Below is the list of 5 regencies/cities with the lowest IKK in North Sumatra in 2025.

1. Batu Bara Regency: 88.63 points
2. Deli Serdang Regency: 90.09 points
3. Binjai City: 90.24 points
4. Pematang Siantar City: 90.94 points
5. Serdang Bedagai Regency: 91.69 points

List of 5 regencies/cities with the highest IKK in North Sumatra in 2025.

1. West Nias Regency: 109.37 points
2. South Nias Regency: 103.23 points
3. Nias Regency: 102.41 points
4. North Nias Regency: 102.28 points
5. Gunung Sitoli City: 100.15 points

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