Oberdorf, located in the Bezirk Waldenburg, sits at an altitude of 495 meters above sea level and covers a total surface area of 621 hectares. Table 2 summarizes the key features of the municipality, while Figure 1 shows its location on the map.

The history of Oberdorf is tied to various locations and municipalities in Germany, associated with different geographical areas and specific districts or neighborhoods. The term is also linked to notable individuals who share the name, encompassing a range of meanings related to both geography and personal names within Germany. More information can be found on the Wikipedia page at https://de.wikipedia.org/wiki/Oberdorf.

In 2025, Oberdorf had a population of 2,604 people. The proportion of foreigners was 25.94 percent, while Swiss citizens made up the remainder. The population is composed of 500 children (0-17 years), 1,554 working-age adults (18-65 years), and 550 older adults (over 65 years). There are 1,313 men and 1,291 women. Oberdorf ranks 26th in total population among the 86 municipalities of Baselland. Table 2 shows the population by age groups since 2005.

The municipality's total surface area of 621 hectares is divided into 13.4 percent settlement area, 42.3 percent agricultural area, and 43.9 percent forest.

Oberdorf's tax revenue ranks 28th in the canton. The tax revenue per adult capita and the municipal tax multiplier are key fiscal indicators, with the municipality's rank among the 86 municipalities of Baselland reflecting its position.

In 2022, Oberdorf's energy consumption was dominated by heating oil at 13,174.32 MWh, followed by electricity at 10,255.44 MWh, environmental heat at 3,620.83 MWh, wood at 5,279.32 MWh, photovoltaics at 1,025.17 MWh, and thermal solar energy at 192.63 MWh. The municipality's electricity consumption per capita ranks 30th among all municipalities in the canton. Very low or very high per capita consumption can be caused by the presence or absence of industrial activity, leading to higher electricity consumption.

As of 2026, Oberdorf had a total of 1,449 passenger cars and delivery vans. Of these, 1,205 vehicles had combustion engines (mainly petrol and diesel), while 244 were electric cars, representing 16.8 percent of the total vehicle stock. Table 3 below provides further details.

In 2024, Oberdorf recycled various waste categories. The total recycled waste per capita and the municipality's rank among all municipalities in the canton are as follows: glass at 13.0 kg per capita (rank 79), green waste at 24.0 kg per capita (rank 80), household waste and bulky items at 118.0 kg per capita (rank 65), oils at 0.0 kg per capita (rank 30), paper and cardboard at 11.0 kg per capita (rank 74), other metals at 8.0 kg per capita (rank 11), and tinplate and aluminum at 1.0 kg per capita (rank 52). Table 4 shows the total recycled waste, recycled waste per capita, and the corresponding canton-wide comparison values.