Explore the Family Name Althoff
The meaning of Althoff
German (mainly Westphalia): habitational name for someone who lived at the ‘old farmstead’ after distribution of the estate, from Middle Low German olt, alt ‘old’ + hof ‘farmstead, manor farm’; compare Olthoff.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Althoff in the United States?
According to the Decennial U.S. Census data, the popularity of the surname Althoff experienced a slight decline from 2000 to 2010. In the year 2000, Althoff was ranked as the 11,734th most popular surname, but by 2010, it had slipped to the 12,218th position, indicating a decrease in rank by 4.12%. However, despite this drop in rank, the count of individuals with the Althoff surname grew by 4.21%, from 2,445 in 2000 to 2,548 in 2010. The proportion of the Althoff surname per 100,000 people also saw a small decrease of 5.49%, from 0.91 to 0.86.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #11,734 | #12,218 | -4.12% |
| Count | 2,445 | 2,548 | 4.21% |
| Proportion per 100k | 0.91 | 0.86 | -5.49% |
Race and Ethnicity of people with the last name Althoff
Moving on to the ethnic identity associated with the Althoff surname, there were several notable changes from 2000 to 2010 according to the Decennial U.S. Census data. While the majority of individuals with the Althoff surname identified as White (96.89% in 2000 and 95.60% in 2010), there was a minor decrease in this percentage over the decade. On the other hand, those identifying as Asian/Pacific Islander, Two or more races, Hispanic, and Black saw increases in their percentages, with the largest increase observed in the category of Two or more races, which grew by an impressive 165.31%. Meanwhile, the percentage of American Indian and Alaskan Natives with the Althoff surname slightly decreased by 4.00%.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 96.89% | 95.6% | -1.33% |
| Hispanic | 1.51% | 1.61% | 6.62% |
| Two or More Races | 0.49% | 1.3% | 165.31% |
| Asian/Pacific Islander | 0.57% | 0.86% | 50.88% |
| Black | 0.29% | 0.39% | 34.48% |
| American Indian and Alaskan Native | 0.25% | 0.24% | -4% |