View the most partisan surnames in The United States

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

Testorff occurs more in The United States more than any other country/territory. It can appear as a variant:. Click here for other possible spellings of this name.

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

The last name is the 2,273,756^th most frequently held surname on a worldwide basis It is held by approximately 1 in 104,107,799 people. It occurs predominantly in The Americas, where 80 percent of Testorff live; 80 percent live in North America and 80 percent live in Anglo-North America.

It is most prevalent in The United States, where it is borne by 61 people, or 1 in 5,941,950. In The United States Testorff is primarily found in: Missouri, where 26 percent live, California, where 16 percent live and Iowa, where 16 percent live. Excluding The United States this last name occurs in one country. It also occurs in Germany, where 13 percent live.

Testorff Family Population Trend ^{historical fluctuation}

The prevalency of Testorff has changed over time. In The United States the number of people who held the Testorff last name rose 1,525 percent between 1880 and 2014.

Testorff Last Name Statistics ^demography

In The United States Testorff are 15.73% more likely to be registered with the Republican Party than the national average, with 62.5% registered to vote for the political party.

Testorff earn somewhat more than the average income. In United States they earn 12.24% more than the national average, earning $48,431 USD per year.