View the most partisan surnames in The United States

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

The surname Duplex is found most frequently in France. It may appear as a variant: Dúplex. Click here to see other potential spellings of this last name.

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

The last name Duplex is the 725,073^rd most commonly occurring last name globally It is held by approximately 1 in 18,173,431 people. This last name occurs mostly in The Americas, where 43 percent of Duplex live; 28 percent live in Western Europe and 28 percent live in Gallo-Europe. It is also the 228,808^th most frequently used given name in the world, borne by 1,199 people.

The surname Duplex is most commonly held in France, where it is held by 111 people, or 1 in 598,403. In France Duplex is most numerous in: Île-de-France, where 20 percent are found, Normandy, where 19 percent are found and Nouvelle-Aquitaine, where 16 percent are found. Apart from France it exists in 21 countries. It also occurs in Peru, where 21 percent are found and The United States, where 20 percent are found.

Duplex Family Population Trend ^{historical fluctuation}

The frequency of Duplex has changed through the years. In The United States the number of people bearing the Duplex surname expanded 820 percent between 1880 and 2014 and in England it expanded 229 percent between 1881 and 2014.

Duplex Last Name Statistics ^demography

The religious adherence of those bearing the Duplex last name is chiefly Catholic (92%) in Ireland.

In The United States Duplex are 25.96% more likely to be registered Republicans than the national average, with 72.73% being registered to vote for the political party.

The amount Duplex earn in different countries varies greatly. In Peru they earn 42.95% less than the national average, earning S/. 11,059 per year and in United States they earn 31.17% more than the national average, earning $56,599 USD per year.