NameCensus.
Very Rare

Mattias Korhonen

There are approximately 1 people named Mattias Korhonen 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 Mattias with Census Bureau frequency data for the surname Korhonen. 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 Mattias

2.5K

Alive today

Named Korhonen

682

Alive today

US population

343M

Denominator

The first name Mattias

Estimated living: 2.5K

Rarity: Rare

Gender: Male

Peak year: 2021

Average age: 12

Top Census group: White (46.4%)

The surname Korhonen

Estimated bearers: 682

Rarity: Very Rare

Census rank: #39,820

Per 100K: 0.20

Top ancestry: White (90.3%)

First name trend

Mattias: popularity over time

Year-by-year SSA birth registrations for the first name Mattias. The peak year was 2021 with 184 births. The average person named Mattias today is 12 years old.

Babies born per year

046921381841975198019851990199520002005201020152020

Demographics

Ancestry and ethnicity for Mattias

Self-reported race and ethnicity breakdown for people with the first name Mattias, from the 2020 US Census Bureau first-name tables. The largest published group is White at 46.4%.

The bar chart below shows how people with the first name Mattias 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 Mattias at the time of the Census. A first name does not determine a person's race or ethnicity.

  • White46.4% · 838
  • Hispanic or Latino40.8% · 736
  • Black or African American5.1% · 92
  • Two or more races4.8% · 87
  • Asian and Pacific Islander1.8% · 33
  • American Indian and Alaska Native1.1% · 19

Ethnicity

Ancestry of the Korhonen surname

Self-reported race and ethnicity breakdown for people with the surname Korhonen, from the 2020 US Census Bureau. The largest group is White at 90.3%.

The bar chart below shows how people with the surname Korhonen 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 Korhonen at the time of the Census. A surname does not determine a person's race or ethnicity.

  • White90.3% · 537
  • Two or more races3.9% · 23
  • Hispanic or Latino3.0% · 18
  • American Indian and Alaska Native1.7% · 10
  • Asian and Pacific Islander0.7% · 4
  • Black or African American0.5% · 3

Methodology

How we calculated this

The first name Mattias has a living-bearer frequency of 0.0007% of the US population, based on 2,492 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 Mattias right now.

The surname Korhonen appears at a rate of 0.20 per 100,000 residents in the 2020 Census Bureau surname file, which translates to a frequency of 0.0002%.

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 Mattias Korhonen. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.

Read the full methodology.

Related

Other people named Mattias

Related

Other people with the surname Korhonen

FAQ

Mattias Korhonen: questions and answers

How many people are named Mattias Korhonen?

We estimate approximately 1 people in the United States share the full name Mattias Korhonen. That works out to about 1 in 342,754,338 Americans. This is calculated by combining the first-name frequency (0.0007%) with the surname frequency (0.20 per 100K) against the current US population.

How rare is the name Mattias Korhonen?

We classify Mattias Korhonen as "Very Rare". About 1 in 342,754,338 Americans share this exact first and last name combination.

Is Mattias a male or female name?

Mattias is predominantly male. Out of 2,516 total SSA registrations, 100.0% were male and 0.0% were female. See the full Mattias 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 are called Mattias Korhonen?

For a faster, more casual read, check HowManyOfMe.org — our sister site built around that single question.

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Mattias Korhonen

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