View the most partisan surnames in The United States

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

The last name Kosmacki occurs most in Poland. It may appear in the variant forms:. Click here to see other possible spellings of this last name.

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

It is the 1,931,261^st most commonly held last name internationally, held by approximately 1 in 78,360,709 people. The surname is primarily found in Europe, where 80 percent of Kosmacki are found; 78 percent are found in Eastern Europe and 78 percent are found in West Slavic Europe.

This surname is most commonly used in Poland, where it is borne by 73 people, or 1 in 520,668. Besides Poland this surname occurs in 3 countries. It also occurs in The United States, where 19 percent live and Brazil, where 1 percent live.

Kosmacki Last Name Statistics ^demography

In The United States those bearing the Kosmacki surname are 13.23% more likely to be registered with the Republican Party than The US average, with 60% registered with the political party.

Kosmacki earn around the same as the average income. In United States they earn 4% more than the national average, earning $44,875 USD per year.