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

Casteau is held by more people in Belgium than any other country/territory. It can also appear as:. For other potential spellings of this name click here.

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

This surname is the 3,957,383^rd most commonly occurring last name worldwide. It is borne by approximately 1 in 291,501,837 people. It is mostly found in Europe, where 96 percent of Casteau reside; 92 percent reside in Western Europe and 88 percent reside in Gallo-Europe.

The last name is most prevalent in Belgium, where it is carried by 12 people, or 1 in 958,054. In Belgium Casteau is primarily concentrated in: Walloon Region, where 92 percent live and Flemish Region, where 8 percent live. Outside of Belgium it occurs in 4 countries. It is also common in France, where 36 percent live and Switzerland, where 8 percent live.

Casteau Family Population Trend ^{historical fluctuation}

The frequency of Casteau has changed through the years. In The United States the number of people who held the Casteau last name declined 87 percent between 1880 and 2014.