View the most partisan surnames in The United States

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

The surname Koelper is more commonly found in The United States than any other country or territory. It can also appear as a variant:. Click here to see other possible spellings of Koelper.

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

It is the 2,436,415^th most commonly held surname at a global level It is held by approximately 1 in 117,541,063 people. The surname Koelper is primarily found in The Americas, where 90 percent of Koelper reside; 90 percent reside in North America and 90 percent reside in Anglo-North America.

This last name is most commonly occurring in The United States, where it is borne by 61 people, or 1 in 5,941,950. In The United States it is most numerous in: Illinois, where 62 percent live, Hawaii, where 8 percent live and Indiana, where 8 percent live. Outside of The United States this last name exists in one country. It is also found in Germany, where 2 percent live.

Koelper Family Population Trend ^{historical fluctuation}

The frequency of Koelper has changed through the years. In The United States the number of people carrying the Koelper last name expanded 3,050 percent between 1880 and 2014.

Koelper Last Name Statistics ^demography

In The United States those holding the Koelper last name are 53.23% more likely to be registered Republicans than the national average, with 100% registered with the party.

Koelper earn notably less less than the average income. In United States they earn 19.84% less than the national average, earning $34,587 USD per year.