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

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 1.45K people in Massachusetts with Celtic ancestry (0.02% of Massachusetts population). Among all Massachusetts cities and places with a population of at least 10K, Fitchburg city had the highest percentage of its population with Celtic ancestry (0.65%), followed by Stoneham CDP (0.23%), and Greenfield city (0.14%).

The chart and table below shows the top 10 cities with high percentage of its population having Celtic 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 Celtic Ancestry in 2021
Fitchburg city
Stoneham CDP
Greenfield city
Holbrook CDP
Gloucester city
Barnstable Town city
Randolph Town city
Nantucket CDP
Franklin Town city
Saugus CDP
Ranking of Massachusetts Cities and Places By Percentage of Population with Celtic Ancestry in 2021
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Rank Ciy or Place Percentage of Pop. (%)
1 Fitchburg city 0.65
2 Stoneham CDP 0.23
3 Greenfield city 0.14
4 Holbrook CDP 0.11
5 Gloucester city 0.10
6 Barnstable Town city 0.09
7 Randolph Town city 0.08
8 Nantucket CDP 0.07
9 Franklin Town city 0.05
9 Saugus CDP 0.05
10 Brockton city 0.04
10 Danvers CDP 0.04
10 Marblehead CDP 0.04
11 Amesbury Town city 0.03
11 Bridgewater Town city 0.03