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

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 132.32K people in Connecticut with American ancestry (3.67% of Connecticut population). Among all Connecticut cities and places with a population of at least 10K, Greenwich CDP had the highest percentage of its population with American ancestry (5.60%), followed by Stamford city (5.49%), and Norwalk city (5.42%).

The chart and table below shows the top 10 cities with high percentage of its population having American ancestry.

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

Data Source: US Census Bureau.
Ranking of Connecticut Cities and Places By Percentage of Population with American Ancestry in 2021
Greenwich CDP
Stamford city
Norwalk city
Hartford city
Middletown city
Manchester CDP
Wethersfield CDP
Orange CDP
West Hartford CDP
North Haven CDP
Ranking of Connecticut Cities and Places By Percentage of Population with American Ancestry in 2021
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Rank Ciy or Place Percentage of Pop. (%)
1 Greenwich CDP 5.60
2 Stamford city 5.49
3 Norwalk city 5.42
4 Hartford city 4.97
5 Middletown city 4.57
6 Manchester CDP 4.02
7 Wethersfield CDP 3.94
8 Orange CDP 3.86
9 West Hartford CDP 3.83
10 North Haven CDP 3.70
11 Bridgeport city 3.61
12 Danbury city 3.48
13 Trumbull Center CDP 3.32
14 Naugatuck borough 3.29
15 West Haven city 3.26
16 Shelton city 3.19
17 Windsor Locks CDP 2.99
18 Ansonia city 2.94
18 Milford city (balance) 2.94
19 Bristol city 2.91
20 Torrington city 2.77
21 Newington CDP 2.69
22 Bethel CDP 2.62
22 Derby city 2.62
23 Meriden city 2.59
24 East Haven CDP 2.54
25 East Hartford CDP 2.51
26 New Britain city 2.40
27 New London city 2.36
28 New Haven city 1.98
29 Waterbury city 1.89
30 Norwich city 1.86
31 Willimantic CDP 1.50
32 Wallingford Center CDP 1.49
33 Storrs CDP 0.20