Explore the Family Name Ostaszewski
The meaning of Ostaszewski
Polish: habitational name for someone from any of the places called Ostaszewo in Kuyavian-Pomeranian and Masovian voivodeships (Ostaszewo Wielkie, Ostaszewo-Pańki).
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Ostaszewski in the United States?
Based on the Decennial U.S. Census data, the surname Ostaszewski saw a decrease in popularity between 2000 and 2010. In 2000, it was ranked 66,274, but by 2010, it had slipped to rank 70,833 – a change of -6.88%. The number of individuals with this surname also declined slightly, from 279 in 2000 to 276 in 2010, marking a decrease of -1.08%. The proportion per 100,000 people with this surname also decreased, moving from 0.1 in 2000 to 0.09 in 2010, indicating a -10.0% change.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #66,274 | #70,833 | -6.88% |
| Count | 279 | 276 | -1.08% |
| Proportion per 100k | 0.1 | 0.09 | -10% |
Race and Ethnicity of people with the last name Ostaszewski
As for the ethnic identity associated with the surname Ostaszewski, based on data from the Decennial U.S. Census, most individuals who bear this name identify as White. In 2000, 93.91% identified as White, and that number rose to 95.29% in 2010, marking an increase of 1.47%. There were no reported instances of individuals identifying as Asian/Pacific Islander, Black, or American Indian and Alaskan Native in either 2000 or 2010. In 2000, 3.58% identified as having two or more races; however, this percentage dropped to zero by 2010. A new appearance in the 2010 data shows that 1.81% of individuals with this surname identified as Hispanic.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 93.91% | 95.29% | 1.47% |
| Hispanic | 0% | 1.81% | 0% |
| Asian/Pacific Islander | 0% | 0% | 0% |
| Two or More Races | 3.58% | 0% | 0% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |