2010
#156,044
National surname rank
Recorded bearers 104
First available Census row
Per 100,000 0.04
Very Rare Last name
Rodichok
A Slavic surname potentially derived from the word "rodnik" meaning "spring" or "wellspring."
According to the 2020 US Census Bureau surname tables, roughly 117 Americans carry the last name Rodichok. That puts it at #154,755 in the national surname ranking, appearing at a frequency of 0.03 per 100,000 people (about 1 in 2,929,524 residents).
This page is the full Name Census profile for the Rodichok surname. You will find the Census Bureau frequency data, a multi-census history view, an ancestry and ethnicity breakdown based on self-reported demographics, the name's meaning and origin where available, and answers to the most common questions people ask about this surname.
Bearers in the US
117
1 in 2,929,524
Census rank
#154,755
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
102
very rare in the US
Popularity narrative
The Census Bureau recorded 102 bearers of the surname Rodichok in its 2020 decennial surname file. At a rate of 0.03 per 100,000 residents, it holds the 154755th position in the national surname ranking.
Among Census respondents with the surname Rodichok, the largest self-reported group is White at 95.1%. The next largest groups are Hispanic (2.9%) and Asian/Pacific Islander (1.0%).
Origin
Meaning and origin of Rodichok
The surname RODICHOK is of Russian origin, dating back to the late 16th century. It is believed to have originated in the regions of Siberia and the Russian Far East, where it was likely derived from an old Slavic word meaning "fertile" or "fruitful".
The earliest known record of the name RODICHOK can be found in a census of the Tobolsk region from 1597, where it is listed as the surname of a peasant family living in a small village near the Irtysh River. It is possible that the name may have been influenced by the similar-sounding Russian word "rodnik", meaning "spring" or "source".
In the 17th century, the RODICHOK surname began to spread throughout other parts of Russia, as families migrated eastward and settled in new territories. One notable example is Andrei RODICHOK (1645-1711), a fur trader and explorer who helped establish Russian settlements along the Amur River.
By the 18th century, the RODICHOK name had become more widespread, appearing in records from various regions of the Russian Empire. One prominent figure was Ivan RODICHOK (1720-1792), a wealthy merchant and landowner from the town of Kholmogory, whose estate was mentioned in a local cadastre from 1782.
In the 19th century, several members of the RODICHOK family gained recognition in various fields. Petr RODICHOK (1814-1887) was a renowned architect who designed several churches and public buildings in Moscow. His nephew, Nikolai RODICHOK (1841-1911), was a respected linguist and author who wrote extensively on the dialects of the Russian Far East.
Another notable figure was Yekaterina RODICHOK (1856-1924), a pioneering female doctor who established one of the first rural clinics in the Irkutsk region, providing medical care to remote communities.
While the RODICHOK surname has its roots in Russia, it has also been found in other Slavic countries, likely due to migration and intermarriage. However, its origins and historical significance remain closely tied to the vast landscapes and diverse cultures of the Russian Empire.
Demographics
Ancestry and ethnicity for Rodichok
Among Census respondents with the surname Rodichok, the largest self-reported group is White at 95.1%. The next largest groups are Hispanic (2.9%) and Asian/Pacific Islander (1.0%).
The bar chart below shows how Rodichok bearers described their own race and ethnicity on the 2020 Census form. The Census Bureau groups responses into six broad categories: White, Black or African American, Hispanic or Latino, Asian and Pacific Islander, American Indian and Alaska Native, and Two or More Races. When a category has too few respondents for a given surname, the Bureau suppresses the figure to protect individual privacy, which is why some names show fewer than six slices.
Percentages are shown for every Census year so the breakdown stays comparable over time. When the source file also includes raw headcounts, Name Census shows those alongside the percentages in the legend.
Keep in mind that these are self-reported numbers. A person's surname does not determine their race or ethnicity, and the distribution you see here reflects the specific population who happened to carry the Rodichok surname at the time of the 2020 Census, not any inherent property of the name itself.
- White95.1% · 97
- Hispanic or Latino2.9% · 3
- Asian and Pacific Islander1.0% · 1
- Two or more races1.0% · 1
Timeline
Historical Census data for Rodichok
Rodichok appears in 2 published Census surname files: 2010, 2020. The cards below show how the name's rank and bearer count changed across each release.
2020
#154,755
National surname rank
Recorded bearers 102
-2 bearers (-1.9%)
Per 100,000 0.03
Rank movement Up 1,289 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2010 | #156,044 | 104 | 0.04 | First available Census row | First available Census row |
| 2020 | #154,755 | 102 | 0.03 | -2 bearers (-1.9%) | Up 1,289 places |
For 2020, the Census Bureau published race and Hispanic-origin columns as counts rather than percentages. Name Census converts those counts back into shares so the ancestry section stays comparable with the older surname files.
Year on year
2010 vs 2020 Census
How has the Rodichok surname changed between Census years? The chart shows bearer count side by side, and the table compares rank, count, and frequency.
Census year comparison
20102020
| Metric | 2010 | 2020 | Change |
|---|---|---|---|
| Rank | #156,044 | #154,755 | 0.8% |
| Count | 104 | 102 | -1.9% |
| Per 100K | 0.04 | 0.03 | -14.7% |
Between the 2010 and 2020 Census, the number of Rodichok bearers went from 104 to 102 (-1.9% change). The surname moved up 1,289 positions in the national ranking, going from #156,044 to #154,755.
FAQ
Rodichok surname: questions and answers
How many people in the U.S. have the surname Rodichok?
Name Census estimates that about 117 living Americans carry the surname Rodichok. Using the current population baseline, that works out to roughly 1 in 2,929,524 residents.
How common is Rodichok?
Rodichok ranks #154,755 in the 2020 Census surname tables and is classified on this site as "Very Rare." The Census recorded the name at a frequency of 0.03 per 100,000 residents, which is about 0 people out of every 100,000.
How many people with this surname were counted in the Census?
The raw 2020 Census file counted 102 people with the surname Rodichok. That is different from the site's living-bearer estimate (117), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
What does 0.03 per 100,000 actually mean?
It is the Census Bureau's normalized frequency measure. A rate of 0.03 per 100,000 means that if you picked a random group of 100,000 U.S. residents, you would expect about 0 of them to have the surname Rodichok.
Has Rodichok become more or less common over time?
Between 2010 and 2020, the surname Rodichok went from 104 recorded bearers to 102. That is a decrease of 2 (-1.9%). In the national ranking it rose from #156,044 to #154,755.
What does the Census say about the background of Rodichok?
Among Census respondents with the surname Rodichok, the largest self-reported group is White at 95.1%. The next largest groups are Hispanic (2.9%) and Asian/Pacific Islander (1.0%). These figures come from the 2020 Census Bureau surname tables, based on how respondents described their own race and ethnicity.
Which group reports this surname most often?
White is the largest self-reported group for the surname Rodichok in the 2020 Census, accounting for 95.1% (97 people in the source table).
What is the full ancestry breakdown?
Rodichok appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (95.1%), Hispanic (2.9%), Asian/Pacific Islander (1.0%). For 2020, the source file also published raw headcounts for each group, which is why this page can show both percentages and counts in the ancestry section.
Is this page using the latest Census data?
Yes. This page is using the latest surname file currently loaded on Name Census, which is 2020. The historical section above also keeps any older Census surname entries we have for Rodichok (2010, 2020).
Does the Census include every surname?
No. The Census Bureau only publishes surnames that appeared at least 100 times in a given decennial Census. That means very rare surnames are excluded entirely, and a surname can appear in one Census release but disappear from a later one if it falls below the reporting threshold.
Why don't the ancestry percentages always add up to exactly 100%?
There are two main reasons: rounding and suppression. The Census Bureau rounds published values, and it may suppress very small cells to protect privacy. For 2020, the Bureau also published raw group counts rather than direct percentages, so Name Census converts those counts back into shares for comparability across census years.
What does Rodichok mean?
A Slavic surname potentially derived from the word "rodnik" meaning "spring" or "wellspring." The fuller origin note on this page goes into more detail.
Where does the surname data come from?
All surname statistics on Name Census are drawn from the US Census Bureau's decennial surname frequency tables. These files list every surname that appeared 100 or more times in the 2020 Census, along with a count, a per-100,000 rate, and a self-reported demographic breakdown. You can read the full explanation on our methodology page.
How does Name Census estimate living bearers?
For surnames, Name Census does not age cohorts the way it does for first names. Instead, it takes the Census Bureau's published frequency for Rodichok (0.03 per 100,000) and applies that rate to the current U.S. resident population to estimate how many living Americans have the surname today.
How many people have the last name Rodichok?
Find out how many Americans have the surname Rodichok on our sister site HowManyOfMe.org — a quick modern estimate with the living-bearer count front and centre.