Oberdorf is a municipality in the district of Waldenburg in the canton of Basel-Landschaft in Switzerland.

[3] Oberdorf has an area, as of 2009[update], of 6.19 square kilometers (2.39 sq mi).

Of the rest of the land, 0.79 km2 (0.31 sq mi) or 12.8% is settled (buildings or roads), 0.03 km2 (7.4 acres) or 0.5% is either rivers or lakes.

It consists of the village of Oberdorf and 13 scattered farming settlements, which were all founded since the 19th Century.

The blazon of the municipal coat of arms is Per bend sinistre Argent and Azure, overall a Key sinister palewise counterchanged.

[8] Most of the population (as of 2000[update]) speaks German (2,058 or 88.7%), with Italian being second most common (99 or 4.3%) and Albanian being third (53 or 2.3%).

[7] The age distribution, as of 2010[update], in Oberdorf is; 129 children or 5.7% of the population are between 0 and 6 years old and 391 teenagers or 17.2% are between 7 and 19.

[8] The historical population is given in the following chart:[3][12] In the 2007 federal election the most popular party was the SVP which received 35.21% of the vote.

In the federal election, a total of 760 votes were cast, and the voter turnout was 50.8%.

[8] There were 1,197 residents of the municipality who were employed in some capacity, of which females made up 43.1% of the workforce.

In 2008[update] the total number of full-time equivalent jobs was 1,026.

The number of jobs in the primary sector was 24, of which19 were in agriculture and 5 were in forestry or lumber production.

In the tertiary sector; 94 or 31.1% were in wholesale or retail sales or the repair of motor vehicles, 14 or 4.6% were in the movement and storage of goods, 21 or 7.0% were in a hotel or restaurant, 21 or 7.0% were in the information industry, 15 or 5.0% were the insurance or financial industry, 33 or 10.9% were technical professionals or scientists, 55 or 18.2% were in education and 17 or 5.6% were in health care.

[8] From the 2000 census[update], 542 or 23.4% were Roman Catholic, while 1,261 or 54.4% belonged to the Swiss Reformed Church.

[15] Oberdorf is served by the Waldenburg narrow gauge railway, which operates a quarter-hourly train service to Liestal.