Explore the Family Name Portmann

The meaning of Portmann

North German: occupational name for a gatekeeper, from Middle Low German port(e) ‘gate’ (from Latin porta) + man ‘man’, or a topographic name for someone who lived near the gates of a fortified town. Compare Porter. Some characteristic forenames: German Otto, Helmut, Franz, Hansi, Kurt.

Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.

How common is the last name Portmann in the United States?

Based on data from the Decennial U.S. Census, the Portmann surname has seen an increase in popularity within the United States. In 2000, Portmann was ranked as the 65,298th most popular surname, but by 2010 it had improved its standing to the 59,324th position. This constitutes a positive change of 9.15%. Similarly, the count of individuals with the Portmann surname grew from 284 in 2000 to 341 in 2010, representing a substantial growth rate of 20.07%. The proportion of Portmanns per 100k people also slightly increased from 0.11 to 0.12 during this decade.

20002010Change
Rank#65,298#59,3249.15%
Count28434120.07%
Proportion per 100k0.110.129.09%

Race and Ethnicity of people with the last name Portmann

In terms of ethnic identity based on the same census data, the majority of individuals with the Portmann surname identify as White. This group constituted 97.18% of all Portmanns in 2000 and slightly declined to 95.89% in 2010. During these years, there was a modest emergence of diversity among Portmanns, with some identifying as Hispanic or belonging to two or more races in 2010. Both these groups represented 1.47% of the total Portmann population that year. No individuals with the Portmann surname identified as Asian/Pacific Islander, Black, or American Indian and Alaskan Native for both years.

20002010Change
White97.18%95.89%-1.33%
Two or More Races0%1.47%0%
Hispanic0%1.47%0%
Asian/Pacific Islander0%0%0%
Black0%0%0%
American Indian and Alaskan Native0%0%0%