Explore the Family Name Williamsen
The meaning of Williamsen
Americanized form of Norwegian, Danish, and North German Wilhelmsen. Compare Williamson.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Williamsen in the United States?
Based on the Decennial U.S. Census data, the surname Williamsen has seen a slight decrease in popularity from 2000 to 2010. In the year 2000, it was ranked 41,722 and in 2010, it dropped slightly to 42,378, representing a 1.57% decrease. However, the count of people bearing this surname increased by 4.28% over the same period, from 491 in 2000 to 512 in 2010. The proportion per 100,000 people decreased slightly by 5.56% from 0.18 in 2000 to 0.17 in 2010.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #41,722 | #42,378 | -1.57% |
| Count | 491 | 512 | 4.28% |
| Proportion per 100k | 0.18 | 0.17 | -5.56% |
Race and Ethnicity of people with the last name Williamsen
On the front of ethnicity, according to the Decennial U.S. Census data, the majority of individuals with the surname Williamsen identified as White in both 2000 and 2010, accounting for 95.52% and 95.12%, respectively. A small percentage identified as Hispanic, increasing from 2.04% in 2000 to 2.54% in 2010. Individuals identifying with two or more ethnic identities appeared in the 2010 census at 0.98%. No individuals with this surname identified as Asian/Pacific Islander or American Indian and Alaskan Native during these years. The percentage of Black individuals with this surname dropped to zero in 2010 from 1.22% in 2000.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 95.52% | 95.12% | -0.42% |
| Hispanic | 2.04% | 2.54% | 24.51% |
| Two or More Races | 0% | 0.98% | 0% |
| Asian/Pacific Islander | 0% | 0% | 0% |
| Black | 1.22% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |