View the most partisan surnames in The United States

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

The surname Duplechain occurs more in The United States more than any other country or territory. It can also appear as:. For other possible spellings of this last name click here.

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

The last name Duplechain is the 308,931^st most frequently used family name worldwide It is held by approximately 1 in 5,968,506 people. Duplechain is predominantly found in The Americas, where 99 percent of Duplechain reside; 99 percent reside in North America and 99 percent reside in Anglo-North America.

This surname is most frequent in The United States, where it is held by 1,217 people, or 1 in 297,830. In The United States it is mostly found in: Louisiana, where 67 percent are found, Texas, where 20 percent are found and California, where 3 percent are found. Apart from The United States Duplechain occurs in 3 countries. It also occurs in Brazil, where 0 percent are found and England, where 0 percent are found.

Duplechain Family Population Trend ^{historical fluctuation}

The incidence of Duplechain has changed through the years. In The United States the number of people bearing the Duplechain surname grew 3,579 percent between 1880 and 2014.

Duplechain Last Name Statistics ^demography

In The United States those holding the Duplechain surname are 10.81% more likely to be registered Democrats than The US average, with 64.04% registered to vote for the political party.

Duplechain earn somewhat less than the average income. In United States they earn 13.1% less than the national average, earning $37,496 USD per year.