View the most partisan surnames in The United States

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

The surname Riou occurs most in France. It can also appear as:. Click here for other possible spellings of this last name.

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

This surname is the 28,688^th most commonly used surname on a worldwide basis, held by approximately 1 in 389,209 people. It occurs mostly in Europe, where 93 percent of Riou are found; 92 percent are found in Western Europe and 92 percent are found in Gallo-Europe. Riou is also the 1,191,548^th most numerous first name throughout the world, borne by 67 people.

The last name is most widely held in France, where it is held by 17,251 people, or 1 in 3,850. In France Riou is most common in: Brittany, where 37 percent reside, Île-de-France, where 17 percent reside and Auvergne-Rhône-Alpes, where 13 percent reside. Excluding France this last name is found in 58 countries. It is also common in Canada, where 2 percent reside and Algeria, where 2 percent reside.

Riou Family Population Trend ^{historical fluctuation}

The occurrence of Riou has changed over time. In The United States the number of people who held the Riou last name rose 2,860 percent between 1880 and 2014 and in England it rose 7,400 percent between 1881 and 2014.

Riou Last Name Statistics ^demography

In The United States Riou are 13.44% more likely to be registered with the Democratic Party than the national average, with 66.67% being registered to vote for the party.

The amount Riou earn in different countries varies somewhat. In United States they earn 13.3% less than the national average, earning $37,409 USD per year and in Canada they earn 7.2% less than the national average, earning $46,108 CAD per year.