Located about 6 km (4 mi) southeast of the town of Kiryat Shmona, it falls under the jurisdiction of Upper Galilee Regional Council.

The kibbutz was named in honor of Léon Blum, the Jewish socialist former prime minister of France who was the focus of a widely publicized, and ultimately unsuccessful, show trial in 1942 mounted by the collaborationist Vichy regime.

Agriculture (cotton, dairy, fruit) and light industry (metal working) have formed the primary economic basis for the kibbutz.

Kfar Blum's location near the Jordan River at the foot of Mount Hermon has made it a center for outdoor recreational activities including walking, hiking, kayaking, rafting and bird watching.

It was also home to Hapoel Galil Elyon, a top division basketball team, which in 1993 became the first club from outside Tel Aviv to win the championship.