View the most partisan surnames in The United States

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

The surname Sejnowski is more frequently found in Poland than any other country or territory. It can also be rendered in the variant forms:. For other potential spellings of this surname click here.

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

The last name is the 1,227,038^th most frequent last name worldwide, held by around 1 in 38,355,505 people. The surname Sejnowski occurs predominantly in Europe, where 76 percent of Sejnowski live; 75 percent live in Eastern Europe and 75 percent live in West Slavic Europe.

The last name Sejnowski is most frequently occurring in Poland, where it is held by 143 people, or 1 in 265,795. Besides Poland this surname is found in 3 countries. It is also common in The United States, where 22 percent reside and Canada, where 2 percent reside.

Sejnowski Last Name Statistics ^demography

In The United States Sejnowski are 10.41% more likely to be registered with the Democratic Party than the national average, with 63.64% being registered to vote for the party.

Sejnowski earn a lot more than the average income. In United States they earn 46.17% more than the national average, earning $63,071 USD per year.