Liestal district has an area, as of 2009[update], of 85.83 square kilometers (33.14 sq mi).

Of the rest of the land, 18.89 km2 (7.29 sq mi) or 22.0% is settled (buildings or roads), 0.68 km2 (0.26 sq mi) or 0.8% is either rivers or lakes and 0.13 km2 (32 acres) or 0.2% is unproductive land.

[3] Most of the population (as of 2000[update]) speaks German (45,694 or 84.0%), with Italian language being second most common (2,607 or 4.8%) and Turkish being third (1,102 or 2.0%).

[4] As of 2008[update], the gender distribution of the population was 49.5% male and 50.5% female.

The total Swiss population change in 2008 (from all sources, including moves across municipal borders) was an increase of 173 and the non-Swiss population change was an increase of 134 people.

[3] The age distribution, as of 2010[update], in the district is; 3,705 children or 6.5% of the population are between 0 and 6 years old and 8,013 teenagers or 14.0% are between 7 and 19.

[6] The historical population is given in the following chart:[7] In the 2007 federal election the most popular party was the SVP which received 29.61% of the vote.

In the federal election, a total of 17,127 votes were cast, and the voter turnout was 48.7%.

[8] From the 2000 census[update], 14,265 or 26.2% were Roman Catholic, while 24,348 or 44.7% belonged to the Swiss Reformed Church.