According to the 1990 US Census, the Streiff surname is ranked 21,858 in frequency of occurrence in the United States. The surname is held by less than 1,000th of 1% of the total population, which means it is very uncommon in this country.
By contrast, the most frequently occurring surname of Smith (ranked number 1), is held by 1.006% of the population.
Find out how common your surname is in the United States here.