Boys' name · since 1975
Rocko
Since 1975, U.S. Social Security records show 291 babies named Rocko, peaking in 2014. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- #10,765 of 45,481
- all-time among boys
- #5,463 of 13,930
- 2025 SSA year
- 291
- born since 1975
- 2010s
- peak decade
291 babies have been named Rocko since 1975, making it today's #5463 boys' name.
Rocko has 291 recorded births among boys since 1975, per the U.S. Social Security Administration, ranked #5463 as of the latest data, more common than 61% of boys, busiest in the 2010s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1975 to 2025.
- #10,765 of 45,481 all-time among boys
- #5,463 of 13,930 2025 SSA year
- 291 born since 1975
- 2010s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Rocko ranks #10,765 of 45,481 boys' names by all-time recorded births (highest first) and #5,463 of 13,930 among boys' names in 2025. 291 born since 1975, peaking in the 2010s.
- #10,765 of 45,481
- all-time among boys
- #5,463 of 13,930
- 2025 SSA year
- 291
- born since 1975
- 2010s
- peak decade
Rocko's 291 recorded births place it above 76.31% of the 45,481 boys names in the full SSA archive.
The state file records this name in 1 jurisdictions, led by California.
How Rocko compares
291 45th percentile among 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
Rocko's all-time total is 21% below the median boys name, and Liam still leads by a wide margin.
| Metric | Rocko | Median boys name (Takari) | #1 boys name (Liam) |
|---|---|---|---|
| All-time total births | 291 | 369 | 358,536 |
| Peak-year births | 22 | 34 | 22,252 |
Rocko's usage pattern, beyond the headline number
Splitting Rocko's full recorded timeline at 2014, 65% of its total births fall in the more recent half of the record versus 35% in the earlier half -- usage has skewed toward the present, not a one-decade spike. Its quietest year on record was 1975, with just 5 recorded births -- worth weighing against the 2014 peak of 22 to see the full range of the name's swing in popularity.
Rocko popularity over time
Annual U.S. births registered with the Social Security Administration · 1975–2025
- Peak year (2014)
- 22
- Annual births at peak, across 51 years of records
Rocko by decade
2010s is the heaviest window (139 births, 48% of the file).
2010s was Rocko's strongest decade.
139 babies received the name during that ten-year window, about 48% of all-time use.
Rocko births by decade
Total births in each ten-year window
- 1970s 5
1970s
5 births
- 2000s 51
2000s
51 births
- 2010s
2010s
139 births
- 2020s
2020s
96 births
What this shows Peak: 2010s at 139 births (48% of all-time use).
Rocko by state
Where Rocko concentrates geographically, total births since 1975
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | California | | 16 | 5.5% |
16 of 291 births nationwide.
Frequently Asked Questions
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What to do with Rocko's data
- Rocko's usage has stayed within range of its 2010s decade-level peak (139 total births) through the 2020s (96) -- a comparatively stable name, not a fading trend.
- California records the most Rockos (16 births) -- see the full state breakdown if geography matters to your decision. California names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Rocko
Nearby Names Like Rocko
Names with a similar sound, spelling, or feel to Rocko
Compare Rocko side by side: Rocko vs Rocco Rocko vs Rocky Rocko vs Rock
Related Names
Names with a similar popularity rank to Rocko
Nationwide names with similar peak year or record span
Two nationwide peer axes for Rocko: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~2014)
Similar record span (~50 yrs)
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, 1975–2025 (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 Rocko 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.