US rank #7883 Boys' name Peak 2014 273 births

Rocko — #7883 US boys' name

273 babies named Rocko in U.S. Social Security records since 1975, with the highest year being 2014. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1970s52000s512010s1392020s78
#7883
of 14,243 boys in use

More common than 45% of names given to boys today.

2010s
Peak decade

51% 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.

What the Data Says About Rocko

The Social Security Administration has registered 273 babies named Rocko between 1975 and 2024, spanning 50 consecutive years of U.S. birth records. As a boy's name, Rocko currently holds the #7883 rank among boys for 2024. The name reached its historical peak in 2014, when 22 babies received it in a single year.

Decade-level aggregation shows that Rocko performed strongest in the 2010s, accumulating 139 births during that ten-year window. Across the 4 decades of recorded activity, Rocko shows notable generational variation in parental adoption. Geographically, the name is most concentrated in California, which accounts for 16 births — the largest state-level total in the dataset — followed by . In total, SSA state-level files list Rocko in 1 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Rocko in our reference dataset. These figures derive from SSA's annual national and state-level name files, which include any name appearing at least five times in a given year or state-year; names below that threshold are suppressed for privacy and therefore excluded from the totals shown here. The 273 total represents a lower bound — actual usage may be higher in years or states where the count fell below the disclosure floor. This page is provided for informational and research purposes only and does not constitute personal, legal, or naming advice.

Rocko at a glance

Outside the top 1,000

Total births

273

Since 1975

50 years of records

Peak year

2014

22 births that year

Strongest decade: 2010s

Current rank

#7,883

Among boys

As of 2024

Active since

1975

Recorded for 50 years

Last year on file: 2024

Rocko popularity over time

Annual U.S. births registered with the Social Security Administration · 2024–1975

Outside the top 1,000
Peak year (2014)
22
Annual births at peak — across 50 years of records
0510152025 20242021201820152012200920061975 5

Rocko by decade

Total births in each ten-year window — peak vs trough at a glance

Peak: 2010s
Peak decade
2010s
139 births that decade — 51% of Rocko's all-time total
1970s52000s512010s1392020s78

Rocko by state

Where Rocko concentrates geographically — total births since 1975

Geographically diffuse
Top 1 states by recorded births for the name Rocko
Rank State Visual share Births Share of total
#1 California
16 5.9%
California share of Rocko's total US births 5.9%

16 of 273 births nationwide.

Frequently Asked Questions

How popular is the name Rocko?
273 babies have been named Rocko since 1975. It currently ranks #7883 among boys. The peak year 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?
Rocko has been recorded in Social Security data since 1975, spanning 50 years of data through 2024.
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.

Data Sources

Data as of 2024. Source: U.S. Social Security Administration (SSA).

Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications — National Data, 1975–2024 (ssa.gov/oact/babynames). National-level data includes all names with 5 or more occurrences in a given year.

State-level: Source: U.S. Social Security Administration, Baby Names — State-Level Files (namesbystate.zip). Includes all names with 5 or more occurrences per state per year; rarer names are excluded for privacy.