Explore the Family Name Wilhelmi
The meaning of Wilhelmi
German: Latinized (humanistic) patronymic from the personal name Wilhelm, using the Latin genitive.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Wilhelmi in the United States?
According to the Popularity data from the Decennial U.S. Census, the surname Wilhelmi ranked 20,446 in 2000 and decreased slightly to a rank of 21,204 in 2010, marking a change of -3.71%. The number of people with the Wilhelmi surname saw a small increase from 1,207 in 2000 to 1,238 in 2010, an increase of 2.57%. However, when considering the proportion per 100k, there was a decrease from 0.45 in 2000 to 0.42 in 2010, indicating a decrease of -6.67%.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #20,446 | #21,204 | -3.71% |
| Count | 1,207 | 1,238 | 2.57% |
| Proportion per 100k | 0.45 | 0.42 | -6.67% |
Race and Ethnicity of people with the last name Wilhelmi
In terms of Ethnicity, based on the Decennial U.S. Census, the majority of individuals with the Wilhelmi surname identify as White, with 96.77% in 2000 decreasing slightly to 95.07% in 2010. The percentage of people with this surname identifying as Asian/Pacific Islander increased from 0.50% to 0.65%, while those identifying as Hispanic saw a significant increase from 1.24% to 2.26%. There was also an emergence of Black and American Indian and Alaskan Native ethnic identities among those with the Wilhelmi surname, where none were reported in 2000 but showed 0.57% and 0.65% respectively in 2010. Those identifying with two or more races decreased slightly from 0.83% to 0.81%.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 96.77% | 95.07% | -1.76% |
| Hispanic | 1.24% | 2.26% | 82.26% |
| Two or More Races | 0.83% | 0.81% | -2.41% |
| Asian/Pacific Islander | 0.5% | 0.65% | 30% |
| American Indian and Alaskan Native | 0% | 0.65% | 0% |
| Black | 0% | 0.57% | 0% |