Hattarvík has 19 inhabitants (as of 31st December 2024) and covers 27 merkur divided into 23 merkur and 8 gyllin copyhold land and 3 merkur and 8 gyllin freehold land. The copyhold land is divided between four copyhold tenants. The sheep herd consists of 452 animals.

The church in Hattarvík was built in 1899. Hattarvík had its first school in 1924; the school building still exists, but no longer has any pupils. The village also has a helipad.

Source: Trap.fo