Summary: Of the six sub-variables of volunteer motivation, Ohio adult 4-H volunteers scored the highest on value motivation. The shorter the length of service and younger the adult 4-H volunteers, the higher the degree of career motivation. Adult 4-H volunteers who had high volunteer motivation had some high school or were a high school graduate, served more than 10.1 hours per month as 4-H volunteers and had a an annual family income less than $40,000. Adult 4-H volunteers who had high volunteer involvement had other family members who were also 4-H volunteers, served more than 10.1 hours per month and had an annual family income of less than 540,000. Adult 4-H volunteers who had high volunteer satisfaction have no children currently enrolled in 4-H, were pervious 4-H members, served more than 10.1 hours per month and had an annual family income less than $40,000. Adult 4-H volunteers who had high organizational commitment had high some high school or high school graduate. Volunteer involvement was the best predictor of organizational commitment, and volunteer satisfaction was the second best predictor.