Explore the Family Name Siefkes

The meaning of Siefkes

North German (Rhineland): patronymic from a pet form of the personal name Siefert (see Siegfried). Some characteristic forenames: German Erwin, Hermann.

Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.

How common is the last name Siefkes in the United States?

According to the Decennial U.S. Census data, the popularity of the surname Siefkes has seen a minor decrease over the years. In 2000, it was ranked 73,659th most common name in the United States and that rank dropped slightly to 77,522nd by 2010, a change of -5.24%. Despite this drop in rank, the actual count of individuals with the surname increased slightly from 245 in 2000 to 247 in 2010, a growth rate of 0.82%. However, when examining the proportion per 100k people, the numbers have shrunk by -11.11%, meaning the name is becoming slightly less common overall.

20002010Change
Rank#73,659#77,522-5.24%
Count2452470.82%
Proportion per 100k0.090.08-11.11%

Race and Ethnicity of people with the last name Siefkes

When exploring the ethnic identity associated with the surname Siefkes, based on the Decennial U.S. Census data, we find a strong predominance of White ethnicity. Notably, the percentage of individuals identifying as White increased slightly from 99.18% in 2000 to 100.00% in 2010. The data showed no representation for Asian/Pacific Islander, Hispanic, Black, or American Indian and Alaskan Native identities both in 2000 and 2010. There also appeared to be no individuals identifying with two or more races.

20002010Change
White99.18%100%0.83%
Asian/Pacific Islander0%0%0%
Two or More Races0%0%0%
Hispanic0%0%0%
Black0%0%0%
American Indian and Alaskan Native0%0%0%