yes demand of bitcoin is really increasing and that is the reason that the price of bitcoin is also increasing continuously. i think the second reason is that people now building trust on bitcoin and they are investing more and more money in bitcoin.
Yes, I agree, there are more and more people that are aware and very interested in getting bitcoin. The campaign of letting people know about bitcoin seems paying off. As more merchant are embracing bitcoin as mode of their payment, it is natural the more people will trust bitcoin because they know that they can spend bitcoin anytime they wanted to.