Ranking of Connecticut Counties By Population with Swiss Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 8.04K people in Connecticut with Swiss ancestry. Among all Connecticut counties, Fairfield County had the highest population with Swiss ancestry (2.53K), followed by Tolland County (1.30K), and New Haven County (1.30K).

The chart and table below shows the top 8 counties with high number of people with Swiss ancestry.

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

Data Source: US Census Bureau.
Ranking of Connecticut Counties By Population with Swiss Ancestry in 2021
Fairfield County
Tolland County
New Haven County
Hartford County
Litchfield County
New London County
Middlesex County
Windham County
Ranking of Connecticut Counties By Population with Swiss Ancestry in 2021
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Rank County Population
1 Fairfield County 2525
2 Tolland County 1302
3 New Haven County 1295
4 Hartford County 1247
5 Litchfield County 623
6 New London County 506
7 Middlesex County 358
8 Windham County 188