How Many People Are Named Billy Koch?
There are approximately 36 people named Billy Koch living in the United States today. That makes this name combination rare, occurring at a rate of about 1 in 9,520,954 Americans.
This estimate combines SSA birth records for the first name Billy with Census Bureau frequency data for the surname Koch. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Estimated People with This Name
36
1 in 9,520,954 Americans
Combination Rarity
Rare
First Name
View full profileBilly
Last Name
View full profileKoch
Billy: Popularity Over Time
Year-by-year SSA birth registrations for the first name Billy. The peak year was 1934 with 9,659 births. The average person named Billy today is 63 years old.
Ancestry of the Koch Surname
Self-reported race and ethnicity breakdown for people with the surname Koch, from the 2010 U.S. Census Bureau.
How we calculated this
The first name "Billy" has an estimated frequency of 0.0623% among living Americans, based on SSA birth records from 1880 to 2024 adjusted for mortality using CDC 2023 life tables.
The surname "Koch" appears at a rate of 16.75 per 100,000 people in the 2010 U.S. Census.
Multiplying these frequencies against the U.S. population of ~343 million gives 36 estimated people. This assumes first names and last names are statistically independent. Full methodology.
Other people named Billy
Other people with the surname Koch
Billy Koch: Questions and Answers
How many people are named Billy Koch?
We estimate approximately 36 people named Billy Koch are alive in the United States today. The first name Billy is shared by 213,640 Americans, and the surname Koch is shared by 56,262.
How rare is the name Billy Koch?
This name combination is classified as Rare, occurring at a rate of about 1 in 9,520,954 Americans. The first name Billy is common and the surname Koch is uncommon.
Is Billy a male or female name?
Billy is predominantly male, with 98.6% of bearers being male and 1.4% female. It peaked in popularity in 1934 and the average bearer today is 63 years old.
Where does this data come from?
First name data comes from the Social Security Administration (1880 to 2024), adjusted for survival using CDC 2023 life tables. Surname data comes from the 2010 U.S. Census Bureau. Full methodology.
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