Washington D.C. is the fourth-largest metro area in the country with 5.5 million people.

The median household income of $56,000 is second only to San Jose, Calif., in buying power.

D.C. has the highest educational attainment of any MSA in the U.S.

D.C. has the highest percentage of executive/professional occupations in the U.S. at 40%.

D.C. is ranked the No. 2 place to live in Places Rated Almanac, and the No. 1 place to start a career.

The average home purchase price in 1999 was $265,000.