Ranking of Massachusetts Cities and Places By Percentage of Population with Unclassified Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 1.30M people in Massachusetts with Unclassified ancestry (18.52% of Massachusetts population). Among all Massachusetts cities and places with a population of at least 10K, Nantucket CDP had the highest percentage of its population with Unclassified ancestry (33.20%), followed by Amherst Town city (32.17%), and North Adams city (26.90%).

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

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

Data Source: US Census Bureau.
Ranking of Massachusetts Cities and Places By Percentage of Population with Unclassified Ancestry in 2021
Nantucket CDP
Amherst Town city
North Adams city
Everett city
Beverly city
Randolph Town city
Westfield city
Greenfield city
Bridgewater Town city
Palmer Town city
Ranking of Massachusetts Cities and Places By Percentage of Population with Unclassified Ancestry in 2021
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Rank Ciy or Place Percentage of Pop. (%)
1 Nantucket CDP 33.20
2 Amherst Town city 32.17
3 North Adams city 26.90
4 Everett city 25.37
5 Beverly city 23.36
6 Randolph Town city 22.63
7 Westfield city 22.43
8 Greenfield city 21.74
9 Bridgewater Town city 21.14
10 Palmer Town city 20.84
10 Revere city 20.84
11 Winthrop Town city 20.76
12 Taunton city 20.74
13 Gloucester city 20.70
14 Dedham CDP 20.69
15 Pittsfield city 20.62
16 Northampton city 20.50
17 Barnstable Town city 20.46
18 West Springfield Town city 20.34
19 Braintree Town city 20.27
20 Cambridge city 20.16
21 Longmeadow CDP 20.15
22 Melrose city 20.14
23 North Attleborough Town city 19.98
24 Danvers CDP 19.82
24 Fitchburg city 19.82
25 Hudson CDP 19.77
26 Leominster city 19.69
27 Waltham city 19.64
28 Amesbury Town city 19.52
28 Attleboro city 19.52
29 Swampscott CDP 19.48
30 Webster CDP 19.35
31 Newton city 19.34
32 Boston city 19.32
33 Salem city 19.19
34 Medford city 19.07
35 Milton CDP 19.03
36 Lynn city 18.92
36 Marblehead CDP 18.92
36 Saugus CDP 18.92
37 Abington CDP 18.89
37 Woburn city 18.89
38 Somerset CDP 18.88
39 Somerville city 18.77
40 Chicopee city 18.72
41 Marlborough city 18.63
42 Quincy city 18.60
43 Wellesley CDP 18.52
44 Haverhill city 18.02
45 Wilmington CDP 17.95
46 Worcester city 17.92
47 Wakefield CDP 17.83
48 Malden city 17.72
49 South Yarmouth CDP 17.66
50 Norwood CDP 17.54
51 Agawam Town city 17.47
52 Framingham city 17.46
52 Peabody city 17.46
53 Brockton city 17.39
54 Lowell city 17.37
55 Methuen Town city 17.36
56 Newburyport city 17.32
57 Maynard CDP 17.26
58 Chelsea city 17.24
59 Needham CDP 17.14
60 Gardner city 17.09
61 Stoneham CDP 16.94
62 Springfield city 16.89
63 Franklin Town city 16.73
64 Hull CDP 16.60
65 Watertown Town city 16.31
66 Lexington CDP 16.25
67 Winchester CDP 16.19
68 Weymouth Town city 16.18
69 Easthampton Town city 16.11
70 Arlington CDP 15.80
71 Holyoke city 15.61
72 Brookline CDP 15.52
73 Burlington CDP 15.43
74 Milford CDP 15.35
75 Reading CDP 15.32
76 Southbridge Town city 15.11
77 Fall River city 14.61
78 Holbrook CDP 14.32
79 New Bedford city 13.68
80 Lynnfield CDP 13.64
81 Belmont CDP 12.50
82 Lawrence city 11.46