Division of Communicable Diseases
The Infectious & Zoonotic Disease Program
Lyme Disease Rate by County in New Jersey
| County |
1990 |
1991 |
1992 |
1993 |
1994 |
1995 |
1996 |
1997 |
1998 |
| Cases |
Rate |
Cases |
Rate |
Cases |
Rate |
Cases |
Rate |
Cases |
Rate |
Cases |
Rate |
Cases |
Rate |
Cases |
Rate |
Cases |
Rate |
| Atlantic |
79 |
35.2 |
75 |
33.4 |
29 |
12.9 |
29 |
12.9 |
17 |
7.6 |
25 |
10.9 |
101 |
43.9 |
67 |
29.1 |
76 |
31.9 |
| Bergen |
13 |
1.6 |
16 |
1.9 |
23 |
2.8 |
11 |
1.3 |
36 |
0.0 |
11 |
1.3 |
28 |
3.3 |
23 |
2.7 |
20 |
2.3 |
| Burlington |
147 |
37.2 |
55 |
13.9 |
40 |
9.9 |
49 |
12.4 |
93 |
23.5 |
120 |
30.0 |
154 |
38.5 |
126 |
31.5 |
101 |
24.0 |
| Camden |
40 |
8.0 |
16 |
3.2 |
11 |
2.2 |
12 |
2.3 |
2 |
0.0 |
19 |
3.7 |
62 |
12.2 |
39 |
7.6 |
12 |
2.4 |
| Cape May |
23 |
24.2 |
14 |
14.7 |
6 |
6.3 |
1 |
1.0 |
6 |
7.3 |
5 |
5.0 |
52 |
52.0 |
43 |
43.0 |
18 |
18.4 |
| Cumberland |
64 |
46.4 |
38 |
27.5 |
13 |
9.4 |
18 |
13.0 |
9 |
6.8 |
3 |
2.0 |
36 |
24.0 |
30 |
20.0 |
51 |
36.3 |
| Essex |
19 |
2.4 |
17 |
2.2 |
8 |
1.0 |
11 |
1.4 |
21 |
2.5 |
18 |
2.3 |
26 |
3.3 |
13 |
1.6 |
21 |
2.8 |
| Gloucester |
9 |
3.9 |
10 |
4.4 |
13 |
5.7 |
6 |
2.6 |
26 |
13.0 |
20 |
8.3 |
75 |
31.3 |
65 |
27.1 |
103 |
41.2 |
| Hudson |
5 |
0.9 |
2 |
0.4 |
2 |
0.4 |
0 |
0.0 |
3 |
0.1 |
2 |
0.4 |
3 |
0.5 |
6 |
1.1 |
4 |
0.7 |
| Hunterdon |
46 |
42.7 |
51 |
47.3 |
72 |
64.0 |
204 |
189.2 |
470 |
439.3 |
571 |
519.1 |
610 |
554.5 |
491 |
446.4 |
528 |
440.0 |
| Mercer |
30 |
9.2 |
46 |
14.1 |
37 |
11.0 |
33 |
10.1 |
61 |
18.8 |
55 |
16.2 |
101 |
29.7 |
85 |
25.0 |
92 |
27.9 |
| Middlesex |
36 |
5.4 |
59 |
8.8 |
23 |
3.4 |
24 |
3.5 |
35 |
5.2 |
80 |
11.8 |
71 |
10.4 |
80 |
11.8 |
75 |
10.4 |
| Monmouth |
162 |
29.3 |
133 |
24.1 |
80 |
13.9 |
76 |
13.7 |
62 |
11.2 |
109 |
19.5 |
110 |
19.6 |
105 |
18.8 |
75 |
12.5 |
| Morris |
50 |
11.9 |
82 |
19.5 |
119 |
28.5 |
104 |
24.7 |
287 |
68.2 |
235 |
54.7 |
270 |
62.8 |
330 |
76.7 |
291 |
63.3 |
| Ocean |
220 |
50.8 |
131 |
30.2 |
94 |
21.9 |
107 |
24.7 |
96 |
22.2 |
127 |
28.9 |
147 |
33.4 |
102 |
23.2 |
110 |
22.5 |
| Passaic |
9 |
2.0 |
11 |
2.4 |
6 |
1.1 |
3 |
0.7 |
7 |
1.5 |
9 |
2.0 |
6 |
1.3 |
5 |
1.1 |
15 |
3.1 |
| Salem |
25 |
38.3 |
9 |
13.8 |
12 |
18.4 |
7 |
10.8 |
23 |
35.4 |
6 |
7.5 |
42 |
52.5 |
47 |
58.8 |
17 |
26.2 |
| Somerset |
25 |
10.4 |
87 |
36.2 |
72 |
30.0 |
51 |
21.3 |
201 |
83.8 |
183 |
73.2 |
173 |
69.2 |
232 |
92.8 |
169 |
59.7 |
| Sussex |
21 |
16.0 |
19 |
14.5 |
7 |
5.3 |
2 |
1.5 |
24 |
18.5 |
17 |
12.1 |
21 |
15.0 |
26 |
18.8 |
26 |
18.2 |
| Union |
9 |
1.8 |
18 |
3.7 |
15 |
3.0 |
12 |
2.4 |
18 |
3.7 |
19 |
3.7 |
15 |
2.9 |
11 |
2.2 |
17 |
3.4 |
| Warren |
6 |
6.6 |
10 |
10.9 |
4 |
4.4 |
8 |
8.9 |
34 |
37.4 |
60 |
60.0 |
87 |
87.0 |
115 |
115.0 |
96 |
97.4 |
| Unknown |
29 |
|
0 |
|
2 |
|
1 |
|
1 |
|
9 |
|
0 |
|
0 |
|
0 |
|
| TOTAL |
1067 |
13.8 |
899 |
11.6 |
688 |
8.8 |
769 |
10.2 |
1532 |
19.8 |
1703 |
21.4 |
2190 |
27.7 |
2041 |
25.8 |
1917 |
23.6 |