Explore the Family Name Koschak
How common is the last name Koschak in the United States?
Based on the Decennial U.S. Census data, the surname Koschak has seen a slight decrease in popularity over a decade. In 2000, it was ranked 79,115 and dropped to 82,613 in 2010, showing a change of -4.42 percent. However, the count of people with the Koschak surname slightly increased from 224 in 2000 to 228 in 2010, showing a growth rate of 1.79 percent. The proportion per 100,000 remained steady at 0.08 for both years.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #79,115 | #82,613 | -4.42% |
| Count | 224 | 228 | 1.79% |
| Proportion per 100k | 0.08 | 0.08 | 0% |
Race and Ethnicity of people with the last name Koschak
In terms of ethnicity, the Decennial U.S. Census data indicates that the majority of individuals with the surname Koschak identify as White. In 2000, 97.32 percent identified as White, and this percentage slightly increased to 97.81 percent in 2010. The census data did not record any individuals with the Koschak surname identifying as Asian/Pacific Islander, Two or more races, Hispanic, Black, or American Indian and Alaskan Native during these years.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 97.32% | 97.81% | 0.5% |
| 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% |