View the highest/lowest earning families in The United States

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

The last name Siejak is borne by more people in Poland than any other country/territory. It may occur as:. Click here to see other possible spellings of this surname.

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

Siejak is the 318,494^th most frequent surname in the world It is held by approximately 1 in 6,202,167 people. This surname is primarily found in Europe, where 93 percent of Siejak are found; 87 percent are found in Eastern Europe and 87 percent are found in West Slavic Europe.

The last name is most numerous in Poland, where it is borne by 1,023 people, or 1 in 37,154. Beside Poland Siejak is found in 6 countries. It is also common in The United States, where 7 percent are found and France, where 4 percent are found.

Siejak Last Name Statistics ^demography

In The United States those bearing the Siejak last name are 10.37% more likely to be registered Republicans than the national average, with 57.14% registered with the political party.

The amount Siejak earn in different countries varies significantly. In Norway they earn 14.2% less than the national average, earning 296,940 kr per year and in United States they earn 20.26% more than the national average, earning $51,889 USD per year.