The Average Income Of A Coffee Shop Owner. Coffee shops have experienced large growth rates around the country over this last decade. It is estimated that they grew by at least 70% over the last decade. Many young professionals and students dream of opening their own one day. The average income is between $20,000 and $40,000 for an owner. The salary will greatly depend on how long they have been in business. The first year or two in business the owner could not turn profits as he will be paying off its start-up expenses. An established coffee shop owner will make around $40,000 a year.