View the most partisan surnames in The United States

Where Does The Last Name Rosskam Come From? ^{nationality or country of origin}

Rosskam is borne by more people in The United States than any other country or territory. It may also be rendered as a variant:. Click here to see other possible spellings of this last name.

How Common Is The Last Name Rosskam? ^{popularity and diffusion}

The surname is the 1,980,395^th most frequently used family name on earth, borne by around 1 in 81,882,538 people. The surname Rosskam is predominantly found in The Americas, where 89 percent of Rosskam reside; 45 percent reside in North America and 45 percent reside in Anglo-North America.

This surname is most commonly occurring in The United States, where it is borne by 40 people, or 1 in 9,061,473. In The United States it is primarily concentrated in: Pennsylvania, where 28 percent reside, Illinois, where 23 percent reside and Arizona, where 10 percent reside. Not including The United States Rosskam exists in 2 countries. It also occurs in Argentina, where 44 percent reside and Switzerland, where 11 percent reside.

Rosskam Family Population Trend ^{historical fluctuation}

The frequency of Rosskam has changed over time. In The United States the number of people who held the Rosskam surname increased 571 percent between 1880 and 2014.

Rosskam Last Name Statistics ^demography

In The United States those bearing the Rosskam last name are 53.23% more likely to be registered with the Republican Party than The US average, with 100% registered with the party.

Rosskam earn significantly more than the average income. In United States they earn 29.81% more than the national average, earning $56,013 USD per year.