He earns between $50,000 and $75,000 a year, holds an advanced degree, often in law; has worked previously for the government and spends little time on business entertaining.

He's a typical Washington lobbyist.

Boyden Associates, an executive recruiting firm, contacted 1,500 executives in D.C. who monitor and-or influence legislation affecting their major corporations or trade associations.

Of the 23 percent of the lobbyists responding, 94 percent were males. More than 60 percent of them hold advanced professional degrees, mainly from Eastern and Midwestern universities. Nearly a quarter (24 percent) are lawyers, and 11 percent have a masters in business administration.

One in five (19 percent) of the female lobbyists is a lawyer, and another quarter (24 percent) hold advance degrees in other fields.

The majority of these executives enjoy the title of vice president or executive director and have a staff of 10 or fewer full-time employes.

Most have been in their present jobs three years or less, but they are handsomely compensated. Two out of five are in the $50,000-$75,000 salary bracket, 9 percent get $75,000 to $100,000, and 10 percent make over $100,000 annually.

The survey did note, however, that a substantial number in the higest category are 10-year veterans. The very top positions are held by lawyer-representatives of large manufacturers.

Women as a group earned considerably less than men, falling to the lowest bracket, $25,000 to $40,000.

By way of comparison, a 1979 study by the American Society of Association Executives shows that the head of the Washington office with an average $43,900 salary is second only to the association president with $54,000.

Heidrick & Struggles has found that only 36 percent of the chief executive officers of the nation's largest industrial companies hold graduate degrees. Of those that do, 48 percent are MBAs and only 10 percent lawyers.

About one third of lobbyists have had previous government experience. And the percentage is higher when ex-military and former state and local government service are counted.

Given their background and the legislative process, it is not surprising that the lobbyists feel the most effective way of influencing bills affecting their firms is through congressional staff members. Lobbying the White House ranked sixth; cabinet members, ninth.

Most of those surveyed said they spent the largest part of their day communicating with their home offices or members and analyzing issues. Media relations was in next-to-last place on the priority list, just ahead of business-related socializing. Despite the popular image of the lobbyist being an elbow as well as an ear bender, nearly two thirds (64 percent) of the respondents spent less than 10 hours a week entertaining.