View the most partisan surnames in The United States

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

Koelper occurs more in The United States more than any other country or territory. It can be found in the variant forms:. Click here for further possible spellings of this surname.

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

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

Koelper is most commonly held in The United States, where it is carried by 61 people, or 1 in 5,941,950. In The United States it is mostly found in: Illinois, where 62 percent are found, Hawaii, where 8 percent are found and Indiana, where 8 percent are found. Without taking into account The United States this surname occurs in one country. It is also found in Germany, where 2 percent are found.

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 rose 3,050 percent between 1880 and 2014.

Koelper Last Name Statistics ^demography

In The United States those holding the Koelper surname are 53.23% more likely to be registered Republicans than The US average, with 100% registered to vote for 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.