Boumedfaa (بومدفع ) a town in northern Algeria. It is located at 36°22′13″n, 2° 28′ 35″e, 100 km west of Algiers and 60 km north-east of Aïn Defla and 37 km north-west of Médéa and 40 km west of Blida. In 2021 the population of the district was 28 500. The population density is 860 per km².