Explore the Family Name Oltz
The meaning of Oltz
German: from a Low German short form of the personal name Olerich (see Ulrich). This surname is also found in France (Alsace).
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Oltz in the United States?
Based on the Decennial U.S. Census data, the popularity of the surname Oltz experienced a slight decrease between 2000 and 2010. In 2000, the Oltz name ranked 71,808 in popularity, but by 2010 it had slipped to 80,131—indicating an 11.59% drop. The count of individuals with this last name also fell from 253 to 237, marking a decline of 6.32%. The proportion per 100,000 people decreased from 0.09 to 0.08, signifying a decrease of 11.11%.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #71,808 | #80,131 | -11.59% |
| Count | 253 | 237 | -6.32% |
| Proportion per 100k | 0.09 | 0.08 | -11.11% |
Race and Ethnicity of people with the last name Oltz
The ethnic identity associated with the surname Oltz, as reported by the Decennial U.S. Census, is predominantly White, with almost no change from 2000 to 2010—97.23% to 97.89%, respectively. There were a small number of individuals identifying as Asian/Pacific Islander in 2000 (2.37%), but this number dropped to zero by 2010. The census data showed no individuals identified as two or more races, Hispanic, Black, or American Indian and Alaskan Native for both years.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 97.23% | 97.89% | 0.68% |
| Asian/Pacific Islander | 2.37% | 0% | 0% |
| Two or More Races | 0% | 0% | 0% |
| Hispanic | 0% | 0% | 0% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |