Explore the Family Name Ostolaza
The meaning of Ostolaza
Basque: topographic or habitational name referring to a house named with (h)osto ‘leaf’ or oste ‘backside’+ olatza, a derivative of ola ‘forge’ or ‘cabin, hut’.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Ostolaza in the United States?
Based on the data from the Decennial U.S. Census, the surname Ostolaza has seen a significant boost in popularity between 2000 and 2010. In 2000, this surname was ranked 65,668th in popularity, but by 2010, it had jumped to the 53,538th spot. This is an increase of 18.47%. Similarly, the count of individuals with this last name also rose from 282 to 386 during this decade, marking a substantial growth of 36.88%. The proportion of people with the Ostolaza surname per 100,000 also increased by 30% over these years.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #65,668 | #53,538 | 18.47% |
| Count | 282 | 386 | 36.88% |
| Proportion per 100k | 0.1 | 0.13 | 30% |
Race and Ethnicity of people with the last name Ostolaza
The Decennial U.S. Census data also provides insight into the ethnic identity of individuals bearing the Ostolaza surname. In both 2000 and 2010, the majority identified as Hispanic, though there was a slight decrease from 93.26% to 91.19% over the decade. The percentage of those identifying as White showed a notable increase from 6.03% to 8.55% during this period. There were no recorded individuals with this surname who identified as Asian/Pacific Islander, Black, or American Indian and Alaskan Native in either census year.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Hispanic | 93.26% | 91.19% | -2.22% |
| White | 6.03% | 8.55% | 41.79% |
| Asian/Pacific Islander | 0% | 0% | 0% |
| Two or More Races | 0% | 0% | 0% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |