I'm not sure what you mean by "fit in" if you're not wealthy, but it certainly is not an inexpensive area in which to purchase. The median price of homes in 2007 for Clyde Hill was $1,637,500. The population in 2007 was estimated at 2,810 residents, with a median annual income of $158,215. The seven most recent sales have average about $1,200,000. It is a small community (area-wise), but great proximity to downtown Bellevue and easy access to Seattle. I don't live in Clyde Hill, but the many people I've known who do reside there are very nice and down to earth.
Hope this helps!