Now, we can reveal the top 10 destinations people going in the opposite direction were headed for.
A total of 7,306 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 Chichester to Waverley, here are the places draining the most people from Horsham.
1. Mid-Sussex
The most common place people left the area for was Mid-Sussex with 434 departures in the year to June 2019.
2. Arun
The second most common place people left the area for was Arun, with 424 arrivals in the year to June 2019. Pictured is Bognor Regis.
3.
The third most common place people left the area for was Crawley, with 362 departures in the year to June 2019.. Picture by Steve Robards
4.
The fourth most common place people left the area for was Worthing, with 342 departures in the year to June 2019.. Picture: Liz Pearce 20/07/2019 LP190944 SUS-190720-225137008 Photo: Hilsea Portsmouth