Explore the Family Name Siefer
The meaning of Siefer
North German: 1. variant of Siefert. 2. altered form of Seifer.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Siefer in the United States?
Based on the Decennial U.S. Census data, the popularity of the surname Siefer has seen a decline. In 2000, Siefer ranked 63,141 in terms of prevalence, and by 2010, it had slipped to 81,181 - a drop of roughly 28.57%. The count of individuals carrying the Siefer surname also decreased from 296 in 2000 to 233 in 2010, marking a reduction of 21.28%. Proportionally, for every 100,000 people, the presence of the surname fell by 27.27% between the two census years.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #63,141 | #81,181 | -28.57% |
| Count | 296 | 233 | -21.28% |
| Proportion per 100k | 0.11 | 0.08 | -27.27% |
Race and Ethnicity of people with the last name Siefer
The ethnic identity associated with the surname Siefer is predominantly White, as per the Decennial U.S. Census data. In 2000, about 97.3% of individuals with this surname identified as White, a figure that slightly increased to 97.85% in 2010. An interesting note is some people belonging to the "Two or More Races" category were associated with the surname Siefer in 2000 (1.69%), but this presence was non-existent in 2010. No significant representation of Asian/Pacific Islander, Hispanic, Black, or American Indian and Alaskan Native identities was recorded in either census year.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 97.3% | 97.85% | 0.57% |
| Asian/Pacific Islander | 0% | 0% | 0% |
| Two or More Races | 1.69% | 0% | 0% |
| Hispanic | 0% | 0% | 0% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |