Now, we can reveal the top 10 destinations people going in the opposite direction were headed for.
A total of 6,078 people left the area for a new life elsewhere in the UK in the same 12-month period, the Office for National Statistics figures show.
From Arun to Croydon, here are the places draining the most people from Crawley.
1. Horsham
The most common place people left the area for was Horsham, with 842 departures in the year to June 2019.
2. Mid-Sussex
The second most common place people left the area for was Mid-Sussex with 728 departures in the year to June 2019.
3. Reigate
The third most common place people left the area from was Reigate and Banstead, with 341 leaving in the year to June 2019.
4.
The fourth most common place people left the area for was Brighton and Hove, with 176 departures in the year to June 2019.. Photo: eddie mitchell