How Many People Have the Last Name Koster?
6,580
people had the surname Koster in the 2010 US Census
About 1 in 44,843 people in the Census had this surname
Source: Census Bureau surname list
Surname Rank
#5,293
Tied with 1 other
Per 100,000 People
2.23
In 2010
Largest Group
94.2%
White
Change Since 2000
+7.2%
+443 people
👥 Race and Hispanic Origin
Most people with the surname Koster (94.2%) are non-Hispanic White. Among surnames where most people are non-Hispanic White, Koster ranks #4,032. The mix barely changed from 2000: no group's share moved by 2 points or more.
📈 Change Since 2000
Koster grew from 6,137 people in 2000 to 6,580 in 2010 (up 7.2%), and its rank fell from #5,226 to #5,293. The population grew faster, so its share still fell, from 2.27 to 2.23 people per 100,000.
| 2000 | 2010 | |
|---|---|---|
| People | 6,137 | 6,580 |
| Rank | #5,226 | #5,293 |
| Per 100,000 people | 2.27 | 2.23 |
🏆 Surnames Ranked Near Koster
🔊 Surnames That Sound Alike
Same Soundex code as Koster: K236
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