How Many People Have the Last Name Kowalczyk?
5,615
people had the surname Kowalczyk in the 2010 US Census
About 1 in 52,632 people in the Census had this surname
Source: Census Bureau surname list
Surname Rank
#6,107
Of 162,253 surnames
Per 100,000 People
1.9
In 2010
Largest Group
96.6%
White
Change Since 2000
+3.5%
+190 people
👥 Race and Hispanic Origin
Most people with the surname Kowalczyk (96.6%) are non-Hispanic White. Among surnames where most people are non-Hispanic White, Kowalczyk ranks #4,678. The mix barely changed from 2000: no group's share moved by 2 points or more.
📈 Change Since 2000
Kowalczyk grew from 5,425 people in 2000 to 5,615 in 2010 (up 3.5%), and its rank fell from #5,844 to #6,107. The population grew faster, so its share still fell, from 2.01 to 1.9 people per 100,000.
| 2000 | 2010 | |
|---|---|---|
| People | 5,425 | 5,615 |
| Rank | #5,844 | #6,107 |
| Per 100,000 people | 2.01 | 1.9 |
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