Kirtlington is a village and civil parish in Oxfordshire about 6+1⁄2 miles west of Bicester. The parish includes the hamlet of Northbrook. The 2011 Census recorded the parish's population as 988. The parish measures nearly 3 miles north–south and about 2+1⁄2 miles east–west. It is bounded by the River Cherwell to the west, and elsewhere mostly by field boundaries. In 1959 its area was 3,582 acres.