[memph]

London CSA:

Core County
Middlesex: 439,151

Outlying County
Elgin: 49,556

Total MSA: 488,707

Satellite County
Oxford: 105,719

Total CSA: 594,426

Elgin County actually barely qualified as an outlying county of London's MSA (25.66% work in Middlesex, needs to be >25%).

Also, while the rural parts of Oxford have net outcommuting to London's MSA, the three main urban centres of Ingersoll, Tillsonburg and Woodstock have net incommuting from London's MSA and are major job centres with more jobs than workers. This is especially true of Tillsonburg. These three towns put together have 4705 jobs held by residents of London's MSA compared to only 2545 working in London's MSA. You also see net outcommuting from London with Stratford and St Marys although not with St Thomas and Strathroy.