View the most partisan surnames in The United States

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

The surname Siefkas occurs more in The United States more than any other country/territory. It can also be found in the variant forms:. Click here to see other possible spellings of this name.

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

The last name Siefkas is the 893,754^th most frequently occurring last name worldwide. It is borne by approximately 1 in 24,291,820 people. The last name occurs mostly in The Americas, where 89 percent of Siefkas live; 89 percent live in North America and 89 percent live in Anglo-North America.

This last name is most widespread in The United States, where it is held by 300 people, or 1 in 1,208,196. In The United States Siefkas is most prevalent in: Missouri, where 30 percent live, Iowa, where 18 percent live and Texas, where 9 percent live.

Siefkas Family Population Trend ^{historical fluctuation}

The prevalency of Siefkas has changed over time. In The United States the number of people carrying the Siefkas last name increased 4,286 percent between 1880 and 2014.

Siefkas Last Name Statistics ^demography

In The United States those holding the Siefkas surname are 14.25% more likely to be registered with the Republican Party than The US average, with 61.02% being registered with the party.

Siefkas earn around the same as the average income. In United States they earn 1.27% more than the national average, earning $43,695 USD per year.