Boys' name · since 1961

Kostas

Since 1961, U.S. Social Security records show 372 babies named Kostas, peaking in 1974. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.

#9,427 of 45,481
all-time among boys
#9,870 of 13,930
2025 SSA year
372
born since 1961
1970s
peak decade

Kostas currently ranks #9870 among boys' names in America, with 372 babies recorded since 1961.

Social Security Administration records show Kostas recorded 372 times among boys since 1961, holding rank #9870 nationally today, ahead of 29% of boys, peaking in the 1970s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1961 to 2025.

  • #9,427 of 45,481 all-time among boys
  • #9,870 of 13,930 2025 SSA year
  • 372 born since 1961
  • 1970s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Kostas ranks #9,427 of 45,481 boys' names by all-time recorded births (highest first) and #9,870 of 13,930 among boys' names in 2025. 372 born since 1961, peaking in the 1970s.

#9,427 of 45,481
all-time among boys
#9,870 of 13,930
2025 SSA year
372
born since 1961
1970s
peak decade
0%100%Median name50%29.1%
Kostas vs. every other boys name in current SSA rankings
Above the archive median
All-time archive position

Kostas's 372 recorded births place it above 79.25% of the 45,481 boys names in the full SSA archive.

1 jurisdictions
State-record footprint

The state file records this name in 1 jurisdictions, led by New York.

How Kostas compares

372 Top 50% higher than 50% of 13,930 names currently given to boys

Based on all-time total births among currently-ranked boys names. Names with fewer occurrences are grouped into wider buckets on the right.

Source U.S. Social Security Administration, national baby name data

How the numbers stack up

Kostas's all-time total is 1% above the median boys name, and Liam still leads by a wide margin.

Metric Kostas Median boys name (Takari) #1 boys name (Liam)
All-time total births 372 369 358,536
Peak-year births 17 34 22,252

Kostas's usage pattern, beyond the headline number

Splitting Kostas's full recorded timeline at 1987, 45% of its total births fall in the more recent half of the record versus 55% in the earlier half -- a fairly even split across the full record. Its quietest year on record was 1961, with just 5 recorded births -- worth weighing against the 1974 peak of 17 to see the full range of the name's swing in popularity.

Kostas popularity over time

Annual U.S. births registered with the Social Security Administration · 1961–2025

Outside the top 1,000
Peak year (1974)
17
Annual births at peak, across 65 years of records
05101520 196119701976198219882002201120202025 7

Kostas by decade

1970s is the heaviest window (107 births, 29% of the file).

1970s was Kostas's strongest decade.

107 babies received the name during that ten-year window, about 29% of all-time use.

Kostas births by decade

Total births in each ten-year window

births

What this shows Peak: 1970s at 107 births (29% of all-time use).

Source U.S. Social Security Administration · Baby Names As of August 2026

Kostas by state

Where Kostas concentrates geographically, total births since 1961

Geographically diffuse
Top 1 states by recorded births for the name Kostas
Rank State Visual share Births Share of total
#1 New York
31 8.3%
New York share of Kostas's total US births 8.3%

31 of 372 births nationwide.

Frequently Asked Questions

How popular is the name Kostas?
372 babies have been named Kostas since 1961. All-time, it sits at #9,427 of 45,481 boys' names by recorded births. In 2025, it ranks #9,870 of 13,930 among boys. The peak year was 1974 with 17 births.
Where does Kostas sit in the SSA name archive?
According to the U.S. Social Security Administration, Kostas ranks #9,427 of 45,481 boys' names by all-time recorded births (highest first) and #9,870 of 13,930 among boys' names in 2025. All-time ordinal matches browse popularity (total births DESC); the current ordinal uses the 2025 SSA file. See /methodology#corpus-placement.
When was Kostas most popular?
Kostas was most popular in the 1970s decade with 107 total births. The single peak year was 1974.
Where is Kostas most popular?
The top states for the name Kostas are New York (31 births).
How long has the name Kostas been used?
The SSA has tracked Kostas since 1961 -- 65 years through the most recent 2025 data.
What names are similar to Kostas?
Names with a similar sound or spelling include Kosta, Koston, Kostantinos, Kosisochukwu, and 4 more. These share a common prefix and are also used for boys.

What to do with Kostas's data

  • Kostas's decade-level peak was the 1970s (107 total births); usage has since declined to 32 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
  • New York records the most Kostass (31 births) -- see the full state breakdown if geography matters to your decision. New York names

Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.

Keep exploring Kostas

Nearby Names Like Kostas

Names with a similar sound, spelling, or feel to Kostas

Names with a similar popularity rank to Kostas

Nationwide names with similar peak year or record span

Two nationwide peer axes for Kostas: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.

Peak year is the single SSA year with the most births for that name; record span is first-to-latest year in the national files, not a recommendation or shared origin claim.

Data Sources

Data as of August 2026. Source: U.S. Social Security Administration (SSA).

According to the Social Security Administration, this profile draws directly from the agency's public-use baby-name files (updated June 2026). See our methodology for the full extraction, aggregation, and privacy-suppression rules.

Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, 1961–2025 (ssa.gov/oact/babynames).

State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).

Name Almanac is rendered directly from the Social Security Administration's public baby-name files, no number is typed in by an editor. This profile for Kostas draws directly on SSA national and state-level files, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.