View the most partisan surnames in The United States

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

The surname Castloo occurs more in The United States more than any other country or territory. It can also be found in the variant forms:. Click here for other potential spellings of Castloo.

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

The surname is the 2,273,756^th most commonly held last name worldwide, borne by approximately 1 in 104,107,799 people. The surname Castloo is primarily found in The Americas, where 100 percent of Castloo are found; 100 percent are found in North America and 100 percent are found in Anglo-North America.

The last name is most commonly occurring in The United States, where it is carried by 70 people, or 1 in 5,177,985. In The United States it is most common in: Texas, where 73 percent reside, Missouri, where 20 percent reside and Montana, where 4 percent reside.

Castloo Family Population Trend ^{historical fluctuation}

The incidence of Castloo has changed over time. In The United States the number of people carrying the Castloo surname grew 7,000 percent between 1880 and 2014.

Castloo Last Name Statistics ^demography

In The United States those holding the Castloo surname are 6.77% more likely to be registered Democrats than The US average, with 60% registered to vote for the party.

Castloo earn somewhat more than the average income. In United States they earn 10.89% more than the national average, earning $47,850 USD per year.