View the highest/lowest earning families in The United States

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

The surname Siwiak has its highest incidence in Poland. It may also appear as:. Click here for further potential spellings of this name.

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

It is the 251,029^th most common surname world-wide It is held by around 1 in 4,615,292 people. The last name is predominantly found in Europe, where 96 percent of Siwiak are found; 91 percent are found in Eastern Europe and 91 percent are found in West Slavic Europe.

The surname is most frequently held in Poland, where it is carried by 1,438 people, or 1 in 26,432. Not including Poland this surname occurs in 13 countries. It is also common in The United States, where 3 percent reside and England, where 2 percent reside.

Siwiak Last Name Statistics ^demography

In The United States those bearing the Siwiak last name are 15.19% more likely to be registered Democrats than the national average, with 68.42% registered to vote for the political party.

Siwiak earn notably more than the average income. In United States they earn 16.31% more than the national average, earning $50,188 USD per year.