I have seen several questions pertaining to the salaries of professors in the United States. Is there any research/study/survey/... that looked at the non-salary income computer science academics (professors, research scientists, …) make in the United States?

By non-salary income I mean any income that doesn't come from the salary. Examples of income source: teaching outside the university, cash from awards, running a side start-up/business, consulting, sitting on boards of directors, giving talks, book royalties, patent royalties. Ideally, the non-salary income should be broken down by the income source.

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    I can't imagine how this information could be useful, because individual variation is very high and non-salary income has little relationship with being a computer science professor. Surely the most common kind of non-salary income is from investments unrelated to computer science. Commented Sep 4, 2016 at 8:49
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    Should this be closed? Doesn't seem to be any immediate and reasonable way to find an answer to this.
    – G-E
    Commented Nov 16, 2016 at 10:56
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    @G-E surveys can be done. Commented Nov 16, 2016 at 12:19
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    @G-E - Based on the upvotes, it seems that the community interpreted this as Frank stated... this is a request for someone to call out any existing research on this topic. This is not a request for someone to go and do any new research.
    – eykanal
    Commented Nov 21, 2016 at 4:06
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    In mathematics the median is probably 0, and the mean below 100$ per year. One professor got his book royalties in form of a cheque over 26 pounds, and wondered whether caching a pound denominated cheque in Germany would cost less than 26 pounds in fees. Another professor got several thousand Euros for a highly successful textbook, but this amount has to be spread out over ~10 years. More substantial is non-monetary income. The average professor gets several hundreds in form of free meals, complimentary books and the like. This implies that meaningful research is intrinsically difficult. Commented Dec 29, 2016 at 17:04

1 Answer 1


No, there has been no survey of CS professors' non-salary incomes. We can't prove a negative, but you and I both, and presumably others here, have tried to look it up and found nothing. The likeliest reason is that the research has not yet been done.

Despite the highly upvoted comment about the information being useless, if anyone reading this is interested in performing the income study, I will volunteer to be one of the datapoints.

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