Fassuta was built on the ruins of the Crusader castle of Fassove, which was built on the ruins of Mifshata, a Jewish village established after destruction of the Second Temple in 70 CE.
In 2005, the population of Fassuta was 2,900 residents, with an annual population growth rate of 0.9%. Most of the inhabitants are Arab Christians. The proportion of high school students who achieve a passing grade at the matriculation exams is 60.5% (2000). In 2000, the mean income was NIS 3,748, compared to a national average of NIS 6,835.
The Mar Elias church in Fassuta celebrated its 100th anniversary in 2007. The church is named after Elias, the village's patron saint. A large statue of Mar Elias stands in the central square.