Ballaigues is a municipality in the district of Jura-Nord Vaudois in the canton of Vaud in Switzerland.

Of the rest of the land, 0.91 km2 (0.35 sq mi) or 10.1% is settled (buildings or roads), 0.05 km2 (12 acres) or 0.6% is either rivers or lakes.

[5] The municipality is located on the southern slope of the Suchet, on the French-Swiss border.

The blazon of the municipal coat of arms is Or, a lion rampant Azure, langued and crowned Gules.

[9] Most of the population (as of 2000[update]) speaks French (808 or 92.8%), with Italian being second most common (22 or 2.5%) and German being third (19 or 2.2%).

[10] The age distribution, as of 2009[update], in Ballaigues is; 76 children or 8.5% of the population are between 0 and 9 years old and 116 teenagers or 12.9% are between 10 and 19.

[9] 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 27.92% of the vote.

In the federal election, a total of 290 votes were cast, and the voter turnout was 45.7%.

[9] There were 420 residents of the municipality who were employed in some capacity, of which females made up 41.9% of the workforce.

In the tertiary sector; 6 or 3.2% were in wholesale or retail sales or the repair of motor vehicles, 1 was in the movement and storage of goods, 12 or 6.4% were in a hotel or restaurant, 1 was in the information industry, 1 was the insurance or financial industry, 108 or 57.8% were technical professionals or scientists, 8 or 4.3% were in education and 45 or 24.1% were in health care.

[9] From the 2000 census[update], 177 or 20.3% were Roman Catholic, while 463 or 53.2% belonged to the Swiss Reformed Church.

In the Vaud cantonal school system, two years of non-obligatory pre-school are provided by the political districts.

The canton's primary school program requires students to attend for four years.