Next month is national fire prevention month, so here are links to some info.
U.S. Fire Administration. Fire Statistics
Fire Statistics (Center of Fire Statistics) June 2006
Yes, some of it is NOT in English. Still, if you look on page 46 (table 2a) Note row for U.S., as well as figures for other countries (see also p. 12 for some table explanation). Not so incidentally, for U.S.A. in 2003, (country no. 1), population is given in thousands (290789; adding 3 zeros, 290,789,000).