Total births
291
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.
- #7383
- among boys today
- 291
- born since 1975
- 2010s
- peak decade
- 48%
- more common than other boys
291 babies have been named Rocko since 1975, making it today's #7383 boys' name.
Rocko has 291 recorded births among boys since 1975, per the U.S. Social Security Administration, ranked #7383 as of the latest data, more common than 48% 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.
- #7383 among boys today
- 291 born since 1975
- 2010s peak decade
- 48% more common than other boys
Data updated Jul 2026
The verdict
Rocko is currently the #7383 boys' name in America, more common than 48% of boys - 291 born since 1975, peaking in the 2010s.
- #7383
- among boys today
- 291
- born since 1975
- 2010s
- peak decade
- 48%
- more common than other boys
Rocko vs. every other boys name in current SSA rankings
#7383
of 14,294 boys in use
More common than 48% of names given to boys today.
2010s
Peak decade
48% of everyone ever named Rocko was born in this single decade.
2014
Single peak year
22 babies were named Rocko in 2014 - its busiest year on record.
How Rocko compares
291 45th percentile among 14,294 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 (Elchonon) | #1 boys name (Liam) |
|---|---|---|---|
| All-time total births | 291 | 367 | 358,536 |
| Peak-year births | 22 | 23 | 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 at a glance
Outside the top 1,000Peak year
2014
Current rank
#7,383
Active since
1975
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
Total births in each ten-year window, peak vs trough at a glance
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% |
California share of Rocko's total US births 5.5%
16 of 291 births nationwide.
Frequently Asked Questions
How popular is the name Rocko? ▼
Since 1975, Social Security records show 291 babies named Rocko. Today it holds rank #7383 among boys. Its busiest year on record was 2014, with 22 births.
When was Rocko most popular? ▼
Rocko was most popular in the 2010s decade with 139 total births. The single peak year was 2014.
Where is Rocko most popular? ▼
The top states for the name Rocko are California (16 births).
How long has the name Rocko been used? ▼
The SSA has tracked Rocko since 1975 -- 51 years through the most recent 2025 data.
What names are similar to Rocko? ▼
Names with a similar sound or spelling include Rocco, Rocky, Rock, Rockwell, and 4 more. These share a common prefix and are also used for boys.
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
- Weighing it against an alternative? Put two names side by side. Compare 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
Rocco Boy
#501 31,679 births
Rocky Boy
#657 28,687 births
Rock Boy
#4906 2,681 births
Rockwell Boy
#2047 1,801 births
Rockie Boy
943 births
Compare Rocko side by side: Rocko vs Rocco Rocko vs Rocky Rocko vs Rock
Related Names
Names with a similar popularity rank to Rocko
Data Sources
Data as of July 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).
Cite this page
NameAlmanac Editorial. "Rocko: #7383 Boys' Name - 291 Births, Peak 2014." NameAlmanac. Accessed via https://namealmanac.com/name/rocko. Licensed CC BY-SA 4.0.
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 July 2026.