Ranking of New Jersey Counties By Population with Celtic Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 746 people in New Jersey with Celtic ancestry. Among all New Jersey counties, Morris County had the highest population with Celtic ancestry (164), followed by Burlington County (137), and Ocean County (71).

The chart and table below shows the top 10 counties with high number of people with Celtic ancestry.

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

Data Source: US Census Bureau.
Ranking of New Jersey Counties By Population with Celtic Ancestry in 2021
Morris County
Burlington County
Ocean County
Mercer County
Monmouth County
Essex County
Warren County
Union County
Sussex County
Atlantic County
Ranking of New Jersey Counties By Population with Celtic Ancestry in 2021
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Rank County Population
1 Morris County 164
2 Burlington County 137
3 Ocean County 71
4 Mercer County 59
5 Monmouth County 58
6 Essex County 53
7 Warren County 28
8 Union County 27
9 Sussex County 19
10 Atlantic County 18
10 Hunterdon County 18
11 Passaic County 17
12 Middlesex County 15
13 Cumberland County 13
14 Bergen County 11
14 Somerset County 11
15 Hudson County 10
16 Camden County 9
17 Gloucester County 8