Ranking of Connecticut Cities and Places By Population with Celtic Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 499 people in Connecticut with Celtic ancestry. Among all Connecticut cities and places, Cos Cob CDP had the highest population with Celtic ancestry (42), followed by Chester Center CDP (15), and Broad Brook CDP (12).

The chart and table below shows the top 6 cities and places with high number of people with Celtic ancestry.

You can see similar information for other states and for other ancestry groups in Connecticut.

Related Topics: US Census 2021 Topic List.
Data Source: US Census Bureau.
Ranking of Connecticut Cities and Places By Population with Celtic Ancestry in 2021
Cos Cob CDP
Chester Center CDP
Broad Brook CDP
Old Greenwich CDP
East Village CDP
Stonington borough
Ranking of Connecticut Cities and Places By Population with Celtic Ancestry in 2021
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Rank City or Place Population
1 Cos Cob CDP 42
2 Chester Center CDP 15
3 Broad Brook CDP 12
3 Old Greenwich CDP 12
4 East Village CDP 9
5 Stonington borough 3