Explore the Family Name Alderfer
The meaning of Alderfer
Americanized form of German (mainly Baden-Württemberg) Altdörfer, a habitational name for someone from any of the many places in Switzerland, Austria, and southern Germany named Altdorf ‘old village’. History: Frederick Alderfer (Friedrich Altdörfer) came to PA in 1733 from Steinsfurt in Kraichgau, Germany; his ancestors were from Fehr-Altdorf, Zurich canton, Switzerland.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Alderfer in the United States?
Based on the Decennial U.S. Census, the surname Alderfer was ranked 21,349 in popularity in 2000 and dropped slightly to 22,131 in 2010, indicating a decrease of 3.66%. Despite the decrease in rank, the number of individuals with the Alderfer surname increased by 2.19% from 1,143 in 2000 to 1,168 in 2010. However, when considering the proportion per 100,000 people, there has been a slight decrease of 4.76%, from 0.42 in 2000 to 0.4 in 2010.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #21,349 | #22,131 | -3.66% |
| Count | 1,143 | 1,168 | 2.19% |
| Proportion per 100k | 0.42 | 0.4 | -4.76% |
Race and Ethnicity of people with the last name Alderfer
The ethnicity breakdown of individuals with the Alderfer surname showed some changes between 2000 and 2010. With data from the Decennial U.S. Census, the percentage of Alderfers identifying as White decreased from 97.9% to 96.32%, while those identifying as Asian/Pacific Islander remained relatively stable, seeing only a 2.27% decrease. Conversely, there were notable increases in the percentage of Alderfers who identified as Hispanic (up by 196.15%), Black (up by 30.77%), and those reporting two or more ethnic identities (up by 68.85%). Meanwhile, the percentage of Alderfers identifying as American Indian and Alaskan Native remained consistent at 0% for both years.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 97.9% | 96.32% | -1.61% |
| Hispanic | 0.52% | 1.54% | 196.15% |
| Two or More Races | 0.61% | 1.03% | 68.85% |
| Black | 0.52% | 0.68% | 30.77% |
| Asian/Pacific Islander | 0.44% | 0.43% | -2.27% |
| American Indian and Alaskan Native | 0% | 0% | 0% |