Kolby Klimas
There are approximately 1 people named Kolby Klimas living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 342,754,338 Americans.
This estimate combines SSA birth records for the first name Kolby with Census Bureau frequency data for the surname Klimas. Below you will find a breakdown of both names, including popularity trends, gender data, and Census demographics where available.
Expected bearers
1
1 in 342,754,338
Named Kolby
13K
Alive today
Named Klimas
1.1K
Alive today
US population
343M
Denominator
Estimated living: 13K
Rarity: Uncommon
Gender: Unisex
Peak year: 2001
Average age: 22
Top Census group: White (79.1%)
Estimated bearers: 1.1K
Rarity: Rare
Census rank: #27,133
Per 100K: 0.32
Top ancestry: White (91.7%)
First name trend
Kolby: popularity over time
Year-by-year SSA birth registrations for the first name Kolby. The peak year was 2001 with 781 births. The average person named Kolby today is 22 years old.
Babies born per year
Demographics
Ancestry and ethnicity for Kolby
Self-reported race and ethnicity breakdown for people with the first name Kolby, from the 2020 US Census Bureau first-name tables. The largest published group is White at 79.1%.
The bar chart below shows how people with the first name Kolby described their own race and ethnicity on the 2020 Census form. These are self-reported numbers, and they describe the population who happened to carry the name Kolby at the time of the Census. A first name does not determine a person's race or ethnicity.
- White79.1% · 8,283
- Black or African American8.2% · 855
- Two or more races5.6% · 591
- Hispanic or Latino4.3% · 447
- Asian and Pacific Islander1.4% · 147
- American Indian and Alaska Native1.4% · 144
Ethnicity
Ancestry of the Klimas surname
Self-reported race and ethnicity breakdown for people with the surname Klimas, from the 2020 US Census Bureau. The largest group is White at 91.7%.
The bar chart below shows how people with the surname Klimas described their own race and ethnicity on the 2020 Census form. These are self-reported numbers, and they describe the population who happened to carry the surname Klimas at the time of the Census. A surname does not determine a person's race or ethnicity.
- White91.7% · 865
- Hispanic or Latino4.7% · 44
- Two or more races2.3% · 22
- Asian and Pacific Islander1.2% · 11
- American Indian and Alaska Native0.1% · 1
Methodology
How we calculated this
The first name Kolby has a living-bearer frequency of 0.0037% of the US population, based on 12,578 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).
Even though the Census Bureau now publishes first-name tables, we do not use that file as the main first-name input for this estimate. The latest first-name Census snapshot is from 2020, which makes it 6 years old today. Because Census first-name data is only released once every 10 years, SSA birth records plus CDC survival rates give a better current estimate of how many people are likely alive with the name Kolby right now.
The surname Klimas appears at a rate of 0.32 per 100,000 residents in the 2020 Census Bureau surname file, which translates to a frequency of 0.0003%.
Multiplying these two independent frequencies against the current US population of 342,754,338 gives an expected count of approximately 1 people with the full name Kolby Klimas. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
FAQ
Kolby Klimas: questions and answers
How many people are named Kolby Klimas?
We estimate approximately 1 people in the United States share the full name Kolby Klimas. That works out to about 1 in 342,754,338 Americans. This is calculated by combining the first-name frequency (0.0037%) with the surname frequency (0.32 per 100K) against the current US population.
How rare is the name Kolby Klimas?
We classify Kolby Klimas as "Very Rare". About 1 in 342,754,338 Americans share this exact first and last name combination.
Is Kolby a male or female name?
Kolby is predominantly unisex. Out of 12,792 total SSA registrations, 89.8% were male and 10.2% were female. See the full Kolby profile for detailed gender data.
Where does this data come from?
First-name data comes from the Social Security Administration's national baby name files (1880 to 2024). Surname data comes from the 2020 US Census Bureau decennial surname tables. Living-bearer estimates use CDC actuarial life tables to adjust for mortality. Read the full methodology.
How many people have the full name Kolby Klimas?
If you just want to know how many people are called Kolby Klimas, HowManyOfMe.org gives you the headline number in one glance.