Obergösgen is a municipality in the district of Gösgen in the canton of Solothurn in Switzerland.

[3] Obergösgen has an area, as of 2009[update], of 3.64 square kilometers (1.41 sq mi).

Of the rest of the land, 0.77 km2 (0.30 sq mi) or 21.2% is settled (buildings or roads), 0.29 km2 (0.11 sq mi) or 8.0% is either rivers or lakes and 0.02 km2 (4.9 acres) or 0.5% is unproductive land.

while parks, green belts and sports fields made up 1.1%.

[4] The municipality is located in the Gösgen district, along the Aare river.

The blazon of the municipal coat of arms is Per bend sinister Gules a Castle Argent with two towers roofed and topped with a flag each on a triple mount Vert and Argent a Bend wavy Azure.

[8] Most of the population (as of 2000[update]) speaks German (1,673 or 86.2%), with Albanian being second most common (64 or 3.3%) and Italian being third (52 or 2.7%).

[9] As of 2008[update], the gender distribution of the population was 49.9% male and 50.1% female.

[7] The age distribution, as of 2000[update], in Obergösgen is; 138 children or 7.1% of the population are between 0 and 6 years old and 354 teenagers or 18.2% are between 7 and 19.

[8] The historical population is given in the following chart:[3][13] In the 2007 federal election the most popular party was the SP which received 30.77% of the vote.

In the federal election, a total of 689 votes were cast, and the voter turnout was 51.2%.

[8] There were 1,037 residents of the municipality who were employed in some capacity, of which females made up 43.4% of the workforce.

In the tertiary sector; 41 or 16.7% were in wholesale or retail sales or the repair of motor vehicles, 79 or 32.2% were in the movement and storage of goods, 31 or 12.7% were in a hotel or restaurant, 8 or 3.3% were in the information industry, 2 or 0.8% were the insurance or financial industry, 26 or 10.6% were technical professionals or scientists, 40 or 16.3% were in education and 3 or 1.2% were in health care.

[8] From the 2000 census[update], 807 or 41.6% were Roman Catholic, while 542 or 27.9% belonged to the Swiss Reformed Church.

The education system in the Canton of Solothurn allows young children to attend two years of non-obligatory Kindergarten.

All the lower secondary students from Obergösgen attend their school in a neighboring municipality.