Obergerlafingen is a municipality in the district of Wasseramt in the canton of Solothurn in Switzerland.

[3] Obergerlafingen has an area, as of 2009[update], of 1.52 square kilometers (0.59 sq mi).

Of the rest of the land, 0.49 km2 (0.19 sq mi) or 32.2% is settled (buildings or roads).

[4] The municipality is located in the Wasseramt district, between the Emme and Oesch rivers.

The blazon of the municipal coat of arms is Gules three Mullets Argent in pale.

[8] Most of the population (as of 2000[update]) speaks German (1,017 or 97.1%), with Italian being second most common (13 or 1.2%) and French being third (8 or 0.8%).

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

[7] The age distribution, as of 2000[update], in Obergerlafingen is; 57 children or 5.4% of the population are between 0 and 6 years old and 159 teenagers or 15.2% 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 SVP which received 33.36% of the vote.

In the federal election, a total of 392 votes were cast, and the voter turnout was 46.4%.

[8] There were 581 residents of the municipality who were employed in some capacity, of which females made up 43.9% of the workforce.

In 2008[update] the total number of full-time equivalent jobs was 272.

In the tertiary sector; 46 or 41.8% were in wholesale or retail sales or the repair of motor vehicles, 5 or 4.5% were in the movement and storage of goods, 6 or 5.5% were in a hotel or restaurant, 8 or 7.3% were in the information industry, 16 or 14.5% were technical professionals or scientists, 4 or 3.6% were in education and 1 was in health care.

[8] From the 2000 census[update], 297 or 28.4% were Roman Catholic, while 520 or 49.7% belonged to the Swiss Reformed Church.