The law states grand jury applicants must have the following qualifications:
- Citizen of the United States, 18 years of age or older.
- Resident of state and county or city and county for one year prior to being selected.
- In possession of natural faculties, ordinary intelligence, sound judgment, fair character.
- Possess sufficient knowledge of the English language.
Beyond the legal requirements, there are more specific qualifications which are desirable for a grand juror:
- A general knowledge of the functions, authorities and responsibilities of the county and city governments and other civil entities.
- Research abilities, including complex reading capabilities, background in assessing/analyzing facts and report writing.
- Substantial background in group/committee work.
- Good to excellent health.
- Respect and objectivity concerning the positions and views of others.