Explore the Family Name Costelow
The meaning of Costelow
Irish: variant of Costello.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Costelow in the United States?
Based on the Decennial U.S. Census data, the surname Costelow saw a slight increase in popularity between 2000 and 2010. The number of people bearing this surname rose by 3.11%, from 161 to 166. However, its rank among other surnames dropped by 3.82%, falling from 103,193 in 2000 to 107,134 in 2010. The proportion of individuals with the Costelow surname per 100,000 people remained constant at 0.06.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #103,193 | #107,134 | -3.82% |
| Count | 161 | 166 | 3.11% |
| Proportion per 100k | 0.06 | 0.06 | 0% |
Race and Ethnicity of people with the last name Costelow
From an ethnic identity standpoint, the Costelow surname was predominantly associated with the White ethnicity in both 2000 and 2010, according to the Decennial U.S. Census data. Over 94% of those bearing the Costelow surname identified as White during both census years, with a minute rise of 0.18% over the decade. There were no recorded instances of the Costelow surname among Asian/Pacific Islander, individuals of two or more races, Hispanic, Black, or American Indian and Alaskan Native ethnicities in either 2000 or 2010.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 94.41% | 94.58% | 0.18% |
| Asian/Pacific Islander | 0% | 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% |