View the most partisan surnames in The United States

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

Jeffko occurs more in The United States more than any other country/territory. It may be rendered as a variant:. For other potential spellings of this last name click here.

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

The surname is the 4,427,875^th most frequently held last name on a global scale, held by approximately 1 in 364,377,296 people. The surname occurs predominantly in The Americas, where 100 percent of Jeffko reside; 100 percent reside in North America and 100 percent reside in Anglo-North America.

The surname Jeffko is most commonly used in The United States, where it is borne by 20 people, or 1 in 18,122,947. In The United States Jeffko is most common in: Connecticut, where 35 percent are found, Massachusetts, where 35 percent are found and Washington, where 30 percent are found.

Jeffko Last Name Statistics ^demography

In The United States those bearing the Jeffko last name are 18.2% more likely to be registered Democrats than The US average, with 71.43% registered to vote for the political party.

Jeffko earn notably less less than the average income. In United States they earn 21.93% less than the national average, earning $33,688 USD per year.