How Many People Have the Last Name Kilby?
people had the surname Kilby in the 2010 US Census
About 1 in 66,667 people in the Census had this surname
Source: Census Bureau surname list
Surname Rank
Tied with 1 other
Per 100,000 People
In 2010
Largest Group
White
Change Since 2000
+49 people
👥 Race and Hispanic Origin
Most people with the surname Kilby (89.6%) are non-Hispanic White. The next largest group, 6%, are non-Hispanic Black. Among surnames where most people are non-Hispanic White, Kilby ranks #5,810. The mix barely changed from 2000: no group's share moved by 2 points or more.
📈 Change Since 2000
Kilby grew from 4,363 people in 2000 to 4,412 in 2010 (up 1.1%), and its rank fell from #7,068 to #7,534. The population grew faster, so its share still fell, from 1.62 to 1.5 people per 100,000.
| 2000 | 2010 | |
|---|---|---|
| People | 4,363 | 4,412 |
| Rank | #7,068 | #7,534 |
| Per 100,000 people | 1.62 | 1.5 |
🏆 Surnames Ranked Near Kilby
🔊 Surnames That Sound Alike
Same Soundex code as Kilby: K410
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