View the highest/lowest earning families in The United States

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

The last name Koolstra occurs more in The Netherlands more than any other country/territory. It can also be found as a variant:. For other possible spellings of this last name click here.

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

Koolstra is the 495,028^th most commonly held family name on earth. It is borne by around 1 in 10,925,856 people. The last name is primarily found in Europe, where 75 percent of Koolstra live; 75 percent live in Western Europe and 75 percent live in Germanic Europe.

This last name is most frequently occurring in The Netherlands, where it is carried by 498 people, or 1 in 33,910. In The Netherlands it is most frequent in: South Holland, where 33 percent live, North Holland, where 15 percent live and Utrecht, where 14 percent live. Apart from The Netherlands Koolstra is found in 8 countries. It is also common in The United States, where 17 percent live and Australia, where 5 percent live.

Koolstra Last Name Statistics ^demography

In The United States those bearing the Koolstra last name are 37.01% more likely to be registered Republicans than The US average, with 83.78% being registered with the political party.

The amount Koolstra earn in different countries varies markedly. In United States they earn 9.04% more than the national average, earning $47,048 USD per year and in Canada they earn 29.43% less than the national average, earning $35,061 CAD per year.