Now we can reveal the top 10 goals that people were heading in the opposite direction.
A total of 14,550 people left the area over the same 12 month period to start new lives elsewhere in the UK, figures from the Office of National Statistics show.
From Daventry to Birmingham, these are the places that drain most of the Northampton people.
Undefined: readMore
A total of 1,818 people moved from Northampton to Daventry in the twelve months ended June 2019
A total of 1,311 people moved from Northampton to South Northamptonshire in the twelve months ended June 2019
A total of 790 people moved from Northampton to Wellingborough in the twelve months to June 2019
A total of 543 people moved from Northampton to Kettering in the twelve months to June 2019