Has a College Football game ever ended 30-5?
It has. 30-5 has been a College Football final 7 times in 84,433 games. The first was Purdue beat Earlham on October 7, 1899; the latest was Temple beat Rutgers on October 13, 2001.
That makes 30-5 the 1154th most common final score out of 2,216 that have ever occurred in College Football. One point away, 31-5 has happened 3 times and 30-6 has happened 80 times. Nearly all of its occurrences fall between 1890 and 1919. At one point the score disappeared for 92 years, between 1909 and 2001.