Explore the Family Name Kostelec
The meaning of Kostelec
1. Slovenian: variant of Kostevc, a habitational name denoting someone from the Kostelsko region in Lower Carniola, named after the castle of Kostel. Compare Costello, Kastelic, and Kostelac. 2. Croatian: habitational name for someone from Kostel, a place in northern Croatia.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Kostelec in the United States?
Based on the Decennial U.S. Census data, the popularity of the surname Kostelec saw a slight decrease between 2000 and 2010. In 2000, it was ranked at 124,109 but dropped to a rank of 129,047 in 2010, showing a rate change of -3.98%. Despite this decline in rank, the actual count of individuals with the Kostelec surname increased from 128 to 132, marking a growth of 3.13% within the same period. However, its proportion per 100,000 people declined by 20% over the decade, moving from 0.05 to 0.04.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #124,109 | #129,047 | -3.98% |
| Count | 128 | 132 | 3.13% |
| Proportion per 100k | 0.05 | 0.04 | -20% |
Race and Ethnicity of people with the last name Kostelec
The ethnicity associated with the surname Kostelec, according to the Decennial U.S. Census data, is predominantly White. In both 2000 and 2010, nearly all (99.22% in 2000 and 98.48% in 2010) individuals carrying the Kostelec surname identified as White, experiencing a minor drop of 0.75% over the decade. The data for other ethnicities such as Asian/Pacific Islander, two or more races, Hispanic, Black, and American Indian and Alaskan Native were either zero or suppressed for privacy reasons in both 2000 and 2010.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 99.22% | 98.48% | -0.75% |
| 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% |