View the highest/lowest earning families in The United States

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

The last name Sierak is most common in Poland. It may also appear in the variant forms:. Click here for other possible spellings of this name.

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

It is the 473,663^rd most frequent family name throughout the world, held by approximately 1 in 10,307,703 people. This last name is primarily found in Europe, where 76 percent of Sierak live; 72 percent live in Eastern Europe and 72 percent live in West Slavic Europe.

The last name is most numerous in Poland, where it is borne by 507 people, or 1 in 74,968. Apart from Poland this last name occurs in 8 countries. It also occurs in The United States, where 14 percent live and Australia, where 6 percent live.

Sierak Last Name Statistics ^demography

In The United States those bearing the Sierak surname are 34.27% more likely to be registered Democrats than the national average, with 87.5% being registered to vote for the party.

Sierak earn somewhat less than the average income. In United States they earn 6.91% less than the national average, earning $40,166 USD per year.