View the most partisan surnames in The United States

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

The surname Kostelecky is found in The United States more than any other country/territory. It can also occur as a variant: Kostelecký. For other potential spellings of this name click here.

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

It is the 326,995^th most frequently held family name internationally, held by around 1 in 6,415,093 people. The last name occurs mostly in The Americas, where 90 percent of Kostelecky reside; 90 percent reside in North America and 90 percent reside in Anglo-North America.

The surname is most frequently held in The United States, where it is carried by 1,065 people, or 1 in 340,337. In The United States Kostelecky is most numerous in: North Dakota, where 24 percent live, Washington, where 15 percent live and Montana, where 10 percent live. Outside of The United States Kostelecky is found in 8 countries. It also occurs in Austria, where 4 percent live and Canada, where 1 percent live.

Kostelecky Last Name Statistics ^demography

In The United States those bearing the Kostelecky surname are 26.56% more likely to be registered with the Republican Party than the national average, with 73.33% being registered to vote for the political party.

Kostelecky earn somewhat more than the average income. In United States they earn 7.93% more than the national average, earning $46,570 USD per year.