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

The last name Casteau is more frequently found in Belgium than any other country or territory. It may appear as a variant:. For other possible spellings of this name click here.

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

Casteau is the 3,957,383^rd most prevalent surname throughout the world. It is borne by around 1 in 291,501,837 people. Casteau is predominantly found in Europe, where 96 percent of Casteau are found; 92 percent are found in Western Europe and 88 percent are found in Gallo-Europe.

It is most frequently held in Belgium, where it is held by 12 people, or 1 in 958,054. In Belgium Casteau is most common in: Walloon Region, where 92 percent reside and Flemish Region, where 8 percent reside. Apart from Belgium it is found in 4 countries. It also occurs in France, where 36 percent reside and Switzerland, where 8 percent reside.

Casteau Family Population Trend ^{historical fluctuation}

The frequency of Casteau has changed over time. In The United States the share of the population with the last name decreased 87 percent between 1880 and 2014.