(1) The district attorney of each judicial district in this state having more than one hundred thousand population, as shown by the last decennial census, except the city and county of Denver, is authorized by and with the consent of the district judges of the judicial district to appoint one or two special officers, each at an annual salary to be determined by such district judges of not to exceed five thousand dollars, and actual and necessary expenses; and in his district he is authorized by and with the consent of the district judges of the judicial district to appoint a stenographer at an annual salary to be determined by such district judges of not to exceed three thousand dollars. Said salaries shall be paid monthly and shall be borne and paid monthly by the several counties comprising said judicial districts. Each county shall pay its proportionate part of said salaries as the population of such county bears to the whole population of the judicial district, according to the last preceding decennial census.

(2) The district attorney of each judicial district in the state having a population of less than one hundred thousand as shown by the last decennial census is authorized to appoint a special investigator, a stenographer, and such other technical and professional assistants as are necessary to assist him in properly transacting all of the business of his office. The salary and compensation for such employees and assistants shall be fixed by such district attorney in an amount commensurate with the services performed and the duties and responsibilities of such employees. The salaries of such persons so appointed shall be paid by the various counties within the judicial district, each county paying its proportionate part of said salaries as the population of such county bears to the whole population of such judicial district, according to the last preceding decennial census. Such budget shall be approved by the boards of county commissioners.