People here tend to socialise a whole lot more with people they have met through work or avocational/hobby groups than with neighbours (it is more likely you will never even see your neighbours). Also, even in an "expatty" area less than 10% of the population will be foreigners (maids aren't human right, so I don't need to count them? [insert sarastic emoji]).
But seriously, 1 br, on HK island, <15K, within 30 minutes commute of Kowloon Tong is probably not going to happen. If you insist on living on the island, you will be living outside the 30 minute commute zone for that rent.
Sai Kung has been mentioned as an option - also outside the 30 minute zone, but there is definitely more of a "community" vibe there than you get on HK island (note that this district includes a whole lot of villages of varying degrees of accessibility as well as the town itself). At the diagonally opposite end of the New Territories, there is HK Gold Coast and surrounds - also plenty of expats and more of a community feel - and also outside the 30 minute commute zone.
There are also plenty of expats living around Shatin District, specially in village areas like Pai Tau Tsuen. That would be inside the 30 minute zone, but it oesn't have the number of "western-friendly" restaurants/ pubs/ clubs that some other areas do.
Totally agree with th above advice to get a serviced apartment for the first month so you can have a look around for yourself.