Explore the Family Name Castilow
The meaning of Castilow
Scottish: variant of Castellaw.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Castilow in the United States?
According to the data provided by the Decennial U.S. Census, the popularity of the surname Castilow has slightly decreased in the United States. In 2000, Castilow ranked 75,695th in popularity among all surnames, but it dropped to 78,316th in 2010, marking a decline of 3.46%. Despite this drop in rank, the number of people bearing the surname Castilow actually saw a small increase from 237 in 2000 to 244 in 2010, a growth of 2.95%. The proportion per 100,000 people, however, decreased by 11.11%.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #75,695 | #78,316 | -3.46% |
| Count | 237 | 244 | 2.95% |
| Proportion per 100k | 0.09 | 0.08 | -11.11% |
Race and Ethnicity of people with the last name Castilow
In terms of ethnic identity, the Decennial U.S. Census provides some interesting insights about the distribution of the Castilow surname across different ethnic groups. In 2000, roughly 71.31% of individuals with the surname Castilow identified as White, and that figure reduced slightly to 66.80% in 2010. During the same period, the percentage of Hispanic individuals with this surname increased from 2.95% to 4.92%, which represents a rise of 66.78%. The Black community also witnessed an increase in the use of this surname from 24.89% in 2000 to 26.64% in 2010, a growth of 7.03%. Meanwhile, there was no recorded change in the usage of the surname Castilow among the Asian/Pacific Islander and American Indian/Alaskan Native communities.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 71.31% | 66.8% | -6.32% |
| Black | 24.89% | 26.64% | 7.03% |
| Hispanic | 2.95% | 4.92% | 66.78% |
| Asian/Pacific Islander | 0% | 0% | 0% |
| Two or More Races | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |