Explore the Family Name Ostby
The meaning of Ostby
Norwegian (Østby): habitational name from any of about forty farmsteads, mostly in southeastern Norway, named Østby or Austby, from Old Norse Austbýr, a compound of aust ‘east’ + býr ‘farmstead’. Some characteristic forenames: Scandinavian Gothard, Gunner, Jorun.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Ostby in the United States?
The surname Ostby was ranked 24,560 in popularity based on the 2000 Decennial U.S. Census data and fell to 26,025 by 2010, a decline of nearly 6%. The count of individuals with this surname also slightly decreased from 954 to 942 during the same period, representing a 1.26% decrease. Similarly, the proportion per 100k people dropped by 8.57%, going from 0.35 to 0.32.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #24,560 | #26,025 | -5.96% |
| Count | 954 | 942 | -1.26% |
| Proportion per 100k | 0.35 | 0.32 | -8.57% |
Race and Ethnicity of people with the last name Ostby
In terms of ethnic identity, the majority of individuals with the surname Ostby identified as White according to both the 2000 and 2010 Decennial U.S. Census. However, the percentage decreased slightly from 96.23% in 2000 to 95.12% in 2010. There was an increase in those identifying as Asian/Pacific Islander and Hispanic, each rising from 0.84% to 1.06%. Those identifying as having two or more races also saw a modest increase from 1.57% to 1.80%. No individuals with this surname identified as Black during either census year, and the percentage of those identifying as American Indian and Alaskan Native dropped to zero by 2010.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 96.23% | 95.12% | -1.15% |
| Two or More Races | 1.57% | 1.8% | 14.65% |
| Asian/Pacific Islander | 0.84% | 1.06% | 26.19% |
| Hispanic | 0.84% | 1.06% | 26.19% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0.52% | 0% | 0% |