Milton Malsor is a village and civil parish in West Northamptonshire, England. The population of the civil parish at the 2011 census was 761. It is 4 miles south of Northampton town centre, 45 miles south-east of Birmingham, and 66 miles north of central London; junction 15 of the M1 motorway is 2 miles east by road. The area of the Milton Malsor civil …Milton Malsor is a village and civil parish in West Northamptonshire, England. The population of the civil parish at the 2011 census was 761. It is 4 miles south of Northampton town centre, 45 miles south-east of Birmingham, and 66 miles north of central London; junction 15 of the M1 motorway is 2 miles east by road. The area of the Milton Malsor civil parish is about 1,650 acres, stretching from north of the M1 motorway between junctions 15 and 15A, south to the West Coast Main Line, east to the A508 and A45 roads, and west to the A43 road.