How Many People Have the Last Name Costello?
people had the surname Costello in the 2010 US Census
About 1 in 9,208 people in the Census had this surname
Source: Census Bureau surname list
Surname Rank
Of 162,253 surnames
Per 100,000 People
In 2010
Largest Group
White
Change Since 2000
+777 people
👥 Race and Hispanic Origin
Most people with the surname Costello (90.9%) are non-Hispanic White. The next largest group, 5.5%, are Hispanic or Latino. Among surnames where most people are non-Hispanic White, Costello ranks #813. The mix barely changed from 2000: no group's share moved by 2 points or more.
📈 Change Since 2000
Costello grew from 31,266 people in 2000 to 32,043 in 2010 (up 2.5%), and its rank fell from #1,025 to #1,093. The population grew faster, so its share still fell, from 11.59 to 10.86 people per 100,000.
| 2000 | 2010 | |
|---|---|---|
| People | 31,266 | 32,043 |
| Rank | #1,025 | #1,093 |
| Per 100,000 people | 11.59 | 10.86 |
🏆 Surnames Ranked Near Costello
🔊 Surnames That Sound Alike
Same Soundex code as Costello: C234
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