2000
#105,374
National surname rank
Recorded bearers 157
First available Census row
Per 100,000 0.06
Very Rare Last name
Koivu
A Finnish surname derived from the Finnish word for birch tree.
According to the 2020 US Census Bureau surname tables, roughly 265 Americans carry the last name Koivu. That puts it at #86,747 in the national surname ranking, appearing at a frequency of 0.08 per 100,000 people (about 1 in 1,293,413 residents).
This page is the full Name Census profile for the Koivu 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
265
1 in 1,293,413
Census rank
#86,747
2020 decennial data
Per 100,000
0.1
Frequency rate
Recorded bearers
231
very rare in the US
Popularity narrative
The Census Bureau recorded 231 bearers of the surname Koivu in its 2020 decennial surname file. At a rate of 0.08 per 100,000 residents, it holds the 86747th position in the national surname ranking.
Among Census respondents with the surname Koivu, the largest self-reported group is White at 86.1%. The next largest groups are Hispanic (6.1%) and Asian/Pacific Islander (3.9%).
Origin
Meaning and origin of Koivu
The surname Koivu originates from Finland, with its roots tracing back to the early medieval period. It is derived from the Finnish word "koivu," which translates to "birch tree." This tree was abundant in the Finnish landscape and held cultural significance, often serving as a symbol of resilience and renewal.
In the 13th century, the practice of adopting hereditary surnames became more prevalent in Finland. The Koivu name likely emerged as a descriptive surname, indicating a connection to birch trees or a specific location where these trees thrived. Some early records suggest variations in spelling, such as Koiwu or Koyvu, reflecting regional dialects and scribal inconsistencies.
One of the earliest documented references to the Koivu name can be found in the Svecia Antiqua et Hodierna, a historical work published in 1701. This text mentions a prominent family from the region of Ostrobothnia, known for their contributions to local governance and trade.
In the 18th century, a notable figure bearing the Koivu surname was Mikael Koivu (1723-1791), a respected farmer and landowner from the village of Ilmajoki. His descendants went on to establish successful businesses and played influential roles in their communities.
Another prominent individual was Juho Koivu (1848-1920), a skilled craftsman and woodcarver from the town of Kajaani. His intricate works, often incorporating birch motifs, gained recognition throughout Finland and were showcased in exhibitions across Europe.
During the 19th century, the Koivu name became intertwined with the Finnish independence movement. Aino Koivu (1875-1957), a passionate advocate for women's rights and education, was a prominent figure in the struggle for Finland's autonomy from Russian rule.
As Finland embraced modernity in the 20th century, the Koivu family left its mark in various fields. Juhani Koivu (1901-1978) was a renowned architect whose innovative designs combined traditional Finnish elements with contemporary styles, leaving a lasting impact on the country's architectural landscape.
Throughout its history, the surname Koivu has been deeply rooted in Finnish culture and traditions, with its bearers contributing to various aspects of society, from agriculture and craftsmanship to political activism and artistic expression.
Demographics
Ancestry and ethnicity for Koivu
Among Census respondents with the surname Koivu, the largest self-reported group is White at 86.1%. The next largest groups are Hispanic (6.1%) and Asian/Pacific Islander (3.9%).
The bar chart below shows how Koivu 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 Koivu surname at the time of the 2020 Census, not any inherent property of the name itself.
- White86.1% · 199
- Hispanic or Latino6.1% · 14
- Asian and Pacific Islander3.9% · 9
- Two or more races2.6% · 6
- Black or African American1.3% · 3
Timeline
Historical Census data for Koivu
Koivu appears in 3 published Census surname files: 2000, 2010, 2020. The cards below show how the name's rank and bearer count changed across each release.
2010
#89,753
National surname rank
Recorded bearers 206
+49 bearers (+31.2%)
Per 100,000 0.07
Rank movement Up 15,621 places
2020
#86,747
National surname rank
Recorded bearers 231
+25 bearers (+12.1%)
Per 100,000 0.08
Rank movement Up 3,006 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #105,374 | 157 | 0.06 | First available Census row | First available Census row |
| 2010 | #89,753 | 206 | 0.07 | +49 bearers (+31.2%) | Up 15,621 places |
| 2020 | #86,747 | 231 | 0.08 | +25 bearers (+12.1%) | Up 3,006 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 Koivu 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 | #89,753 | #86,747 | 3.3% |
| Count | 206 | 231 | 12.1% |
| Per 100K | 0.07 | 0.08 | 10.4% |
Between the 2010 and 2020 Census, the number of Koivu bearers went from 206 to 231 (+12.1% change). The surname moved up 3,006 positions in the national ranking, going from #89,753 to #86,747.
Notable bearers
Famous people with the surname Koivu
FAQ
Koivu surname: questions and answers
How many people in the U.S. have the surname Koivu?
Name Census estimates that about 265 living Americans carry the surname Koivu. Using the current population baseline, that works out to roughly 1 in 1,293,413 residents.
How common is Koivu?
Koivu ranks #86,747 in the 2020 Census surname tables and is classified on this site as "Very Rare." The Census recorded the name at a frequency of 0.08 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 231 people with the surname Koivu. That is different from the site's living-bearer estimate (265), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
What does 0.08 per 100,000 actually mean?
It is the Census Bureau's normalized frequency measure. A rate of 0.08 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 Koivu.
Has Koivu become more or less common over time?
Between 2010 and 2020, the surname Koivu went from 206 recorded bearers to 231. That is an increase of 25 (+12.1%). In the national ranking it rose from #89,753 to #86,747.
What does the Census say about the background of Koivu?
Among Census respondents with the surname Koivu, the largest self-reported group is White at 86.1%. The next largest groups are Hispanic (6.1%) and Asian/Pacific Islander (3.9%). 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 Koivu in the 2020 Census, accounting for 86.1% (199 people in the source table).
What is the full ancestry breakdown?
Koivu appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (86.1%), Hispanic (6.1%), Asian/Pacific Islander (3.9%). 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 Koivu (2000, 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 Koivu mean?
A Finnish surname derived from the Finnish word for birch tree. 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 Koivu (0.08 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 share the surname Koivu?
For a quick modern estimate, our sister site HowManyOfMe.org answers that in one glance, with the living-bearer count front and centre.