Trends show a slow decrease in the extent to which U.S. full-time philosophy faculty at four-year institutions is male and white, according to data obtained from the National Center for Education Statistics by Eric Schwitzgebel (UC Riverside) and posted at The Splintered Mind:

Gender data:

1988: philosophy*: 91% male (vs. 75% for all fields).
1993: philosophy*: 88% male (vs. 70% for all fields).
1999: philosophy: 80% male (vs. 67% for all fields).
2004: philosophy: 86% male (vs. 64% for all fields).

Race/ethnicity data:

1988: philosophy*: 93% white non-Hispanic (vs. 89% for all fields).
1993: philosophy*: 95% white non-Hispanic (vs. 86% for all fields).
1999: philosophy: 91% white non-Hispanic (vs. 84% for all fields).
2004: philosophy: 89% white non-Hispanic (vs. 80% for all fields).

More information here.