Ranking of New Jersey Cities and Places By Percentage of Population with Irish Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 1.19M people in New Jersey with Irish ancestry (12.84% of New Jersey population). Among all New Jersey cities and places with a population of at least 10K, Westmont CDP had the highest percentage of its population with Irish ancestry (35.98%), followed by Ocean City city (31.59%), and Waldwick borough (30.43%).

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

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

You may also be interested in:
Ranking of New Jersey Cities and Places By Population with Irish Ancestry in 2021

Related Topics: New Jersey ACS-5Yrs Estimates, 2021 Topic List.

Data Source: US Census Bureau.

Ranking of New Jersey Cities and Places By Percentage of Population with Irish Ancestry in 2021

Westmont CDP

Ocean City city

Waldwick borough

Gloucester City city

Point Pleasant borough

Haddonfield borough

Oak Ridge CDP

Marlton CDP

Ringwood borough

Collingswood borough

Ranking of New Jersey Cities and Places By Percentage of Population with Irish Ancestry in 2021

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Rank	Ciy or Place	Percentage of Pop. (%)
1	Westmont CDP	35.98
2	Ocean City city	31.59
3	Waldwick borough	30.43
4	Gloucester City city	28.97
5	Point Pleasant borough	27.96
6	Haddonfield borough	27.38
7	Oak Ridge CDP	26.99
8	Marlton CDP	26.39
9	Ringwood borough	25.34
10	Collingswood borough	25.06
11	Hillsdale borough	24.94
12	Hamilton Square CDP	24.61
13	Hopatcong borough	24.43
14	Moorestown-Lenola CDP	24.27
15	Ocean Acres CDP	24.22
16	Pennsville CDP	24.19
17	Bellmawr borough	24.13
18	Ramsey borough	24.05
19	Beachwood borough	23.89
20	Lake Hopatcong CDP	23.74
21	New Providence borough	21.84
22	Madison borough	21.55
23	Holiday City-Berkeley CDP	21.50
24	Westwood borough	21.05
25	Toms River CDP	21.03
26	Woodbury city	20.80
27	Somers Point city	20.59
28	Upper Montclair CDP	20.50
29	Ridgewood village	20.47
30	Glassboro borough	20.38
30	Hackettstown town	20.38
31	Williamstown CDP	20.24
32	Pompton Plains CDP	19.95
33	Tinton Falls borough	19.80
34	Red Bank borough	19.64
35	New Milford borough	19.54
36	Middlesex borough	19.09
37	West Freehold CDP	18.75
38	Westfield town	18.36
39	Summit city	18.22
40	Dumont borough	17.92
41	Oakland borough	17.59
42	Echelon CDP	17.45
43	Eatontown borough	17.40
44	Mercerville CDP	17.30
45	River Edge borough	17.20
46	Phillipsburg town	17.05
47	Pine Hill borough	16.99
48	Martinsville CDP	16.83
49	Rutherford borough	16.79
50	Wanaque borough	16.75
51	Glen Rock borough	16.60
52	Hammonton town	16.46
53	Florham Park borough	16.42
54	Old Bridge CDP	16.37
55	Hoboken city	16.29
56	Morristown town	16.21
57	Greentree CDP	15.74
58	Lincoln Park borough	15.55
59	Sicklerville CDP	15.29
60	Blackwells Mills CDP	14.67
61	Hawthorne borough	14.14
62	Cherry Hill Mall CDP	14.02
63	Metuchen borough	13.99
64	Franklin Lakes borough	13.84
65	Pompton Lakes borough	12.92
66	Woodbridge CDP	12.59
67	North Arlington borough	12.58
68	Maywood borough	12.26
69	Sayreville borough	12.13
70	Brookdale CDP	12.08
71	Somerville borough	12.03
72	Colonia CDP	11.99
73	Springdale CDP	11.77
74	Asbury Park city	11.73
75	Bradley Gardens CDP	11.63
76	Hasbrouck Heights borough	11.58
77	South Plainfield borough	11.50
78	Paramus borough	11.30
79	Manville borough	10.93
80	Freehold borough	10.89
81	Long Branch city	10.81
82	Lindenwold borough	10.66
83	Secaucus town	10.64
84	Preakness CDP	10.54
85	Hillsborough CDP	10.41
86	Bayonne city	10.34
87	South River borough	9.92
88	Millville city	9.83
89	Fords CDP	9.70
90	The Hills CDP	9.60
91	Roselle Park borough	9.49
92	Browns Mills CDP	9.43
93	Ridgefield Park village	9.24
94	Highland Park borough	9.13
95	Princeton	9.11
96	Edgewater borough	9.01
97	Kendall Park CDP	8.48
97	Totowa borough	8.48
98	Rahway city	8.16
99	Iselin CDP	7.88
100	Fair Lawn borough	7.65
101	Parsippany CDP	7.62
102	Vineland city	7.37
103	Wallington borough	7.34
104	Elmwood Park borough	7.03
105	Somerset CDP	6.56
106	Tenafly borough	6.47
107	Little Ferry borough	6.24
108	Carteret borough	5.67
109	Kearny town	5.63
110	Atlantic City city	5.61
111	Bergenfield borough	5.56
112	Fairview borough	5.54
113	Bound Brook borough	5.53
114	Woodland Park borough	5.48
115	Clifton city	5.41
116	Guttenberg town	5.19
117	Lodi borough	5.18
118	Linden city	5.16
119	Robertsville CDP	4.96
120	Short Hills CDP	4.92
121	Princeton Meadows CDP	4.82
122	Jersey City city	4.58
123	North Plainfield borough	4.57
124	Garfield city	4.31
125	Avenel CDP	4.21
126	Cliffside Park borough	4.12
127	Harrison town	4.04
128	Ridgefield borough	3.99
129	Roselle borough	3.77
130	Hackensack city	3.74
131	Pleasantville city	3.44
132	Franklin Park CDP	3.21
133	Dover town	3.00
134	Englewood city	2.96
135	Fort Lee borough	2.93
136	Trenton city	2.80
137	West New York town	2.50
138	New Brunswick city	2.23
139	Palisades Park borough	2.03
140	Bridgeton city	2.01
141	Camden city	1.90
142	Perth Amboy city	1.68
143	Union City city	1.64
144	Elizabeth city	1.04
144	Lakewood CDP	1.04
145	Plainfield city	0.99
146	Paterson city	0.80
147	Newark city	0.68
148	East Orange city	0.64
149	Passaic city	0.31