Statewide Voter Turnout
The following tables show voter turnout for the 1990 Gubernatorial Primary Election broken down by party affiliation.
Democratic Party
| | Registered Voters | Voted Polls | Voted Absentee | Total | % |
| Allegany |
16,676 |
7,959 |
176 |
8,135 |
48.78 |
| Anne Arundel |
97,562 |
43,912 |
925 |
44,837 |
45.96 |
| Baltimore City |
278,958 |
81,707 |
1,557 |
83,264 |
29.85 |
| Baltimore |
238,050 |
80,902 |
1,200 |
82,102 |
34.49 |
| Calvert |
12,560 |
6,408 |
192 |
6,600 |
52.55 |
| Caroline |
5,321 |
2,293 |
41 |
2,334 |
43.86 |
| Carroll |
24,787 |
8,710 |
207 |
8,917 |
35.97 |
| Cecil |
15,543 |
8,526 |
267 |
8,793 |
56.57 |
| Charles |
21,205 |
8,427 |
311 |
8,768 |
41.35 |
| Dorchester |
9,223 |
4,895 |
141 |
5,036 |
54.60 |
| Frederick |
28,006 |
10,417 |
259 |
10,676 |
38.12 |
| Garrett |
4,000 |
1,405 |
27 |
1,432 |
35.80 |
| Harford |
45,482 |
19,894 |
396 |
20,290 |
44.61 |
| Howard |
47,586 |
14,700 |
301 |
15,001 |
31.52 |
| Kent |
5,187 |
2,669 |
105 |
2,774 |
53.48 |
| Montgomery |
195,523 |
83,955 |
2,212 |
86,167 |
44.07 |
| Prince George's |
191,342 |
83,444 |
1,654 |
85,098 |
44.47 |
| Queen Anne's |
8,698 |
4,307 |
62 |
4,369 |
50.23 |
| St. Mary's |
17,833 |
9,051 |
224 |
9,275 |
52.01 |
| Somerset |
6,502 |
3,201 |
149 |
3,350 |
51.52 |
| Talbot |
7,460 |
3,357 |
90 |
3,447 |
46.21 |
| Washington |
24,149 |
10,060 |
265 |
10,325 |
42.76 |
| Wicomico |
19,701 |
8,869 |
168 |
9,037 |
45.87 |
| Worcester |
10,627 |
5,384 |
105 |
5,489 |
51.65 |
| Total |
1,331,981 |
514,452 |
11,034 |
525,516 |
39.45 |
Republican Party
| | Registered Voters | Voted Polls | Voted Absentee | Total | % |
| Allegany |
17,966 |
8,186 |
224 |
8,410 |
46.81 |
| Anne Arundel |
64,386 |
17,732 |
511 |
18,243 |
28.33 |
| Baltimore City |
29,896 |
4,888 |
545 |
5,433 |
18.17 |
| Baltimore |
89,385 |
16,488 |
401 |
16,889 |
18.89 |
| Calvert |
9,041 |
3,545 |
123 |
3,668 |
40.57 |
| Caroline |
3,139 |
1,035 |
5 |
1,040 |
33.13 |
| Carroll |
25,572 |
8,218 |
212 |
8,430 |
32.97 |
| Cecil |
8,741 |
2,881 |
106 |
2,987 |
34.17 |
| Charles |
17,207 |
4,854 |
183 |
5,037 |
29.27 |
| Dorchester |
3,955 |
1,748 |
47 |
1,795 |
45.39 |
| Frederick |
26,300 |
6,436 |
115 |
6,551 |
24.91 |
| Garrett |
7,373 |
3,638 |
156 |
3,794 |
51.46 |
| Harford |
28,070 |
6,205 |
131 |
6,336 |
22.57 |
| Howard |
33,923 |
7,434 |
241 |
7,675 |
22.62 |
| Kent |
2,793 |
1,278 |
58 |
1,336 |
47.83 |
| Montgomery |
119,168 |
27,945 |
779 |
28,724 |
24.10 |
| Prince George's |
59,614 |
11,116 |
519 |
11,635 |
19.52 |
| Queen Anne's |
5,036 |
1,913 |
33 |
1,946 |
38.64 |
| St. Mary's |
8,045 |
2,432 |
92 |
2,524 |
31.37 |
| Somerset |
2,852 |
1,385 |
65 |
1,450 |
50.84 |
| Talbot |
6,227 |
2,470 |
76 |
2,546 |
40.89 |
| Washington |
20,433 |
5,729 |
187 |
5,916 |
28.95 |
| Wicomico |
11,500 |
4,168 |
69 |
4,237 |
36.84 |
| Worcester |
5,972 |
2,309 |
90 |
2,399 |
40.17 |
| Total |
606,594 |
154,033 |
4,968 |
159,001 |
26.21 |
Decline and Other Parties
| | Registered Voters | Voted Polls | Voted Absentee | Total | % |
| Allegany |
1,609 |
199 |
8 |
207 |
12.87 |
| Anne Arundel |
14,579 |
0 |
0 |
0 |
0.00 |
| Baltimore City |
12,288 |
0 |
0 |
0 |
0.00 |
| Baltimore |
17,528 |
0 |
0 |
0 |
0.00 |
| Calvert |
1,721 |
0 |
0 |
0 |
0.00 |
| Caroline |
570 |
0 |
0 |
0 |
0.00 |
| Carroll |
3,780 |
158 |
1 |
159 |
4.21 |
| Cecil |
2,347 |
0 |
0 |
0 |
0.00 |
| Charles |
3,402 |
162 |
7 |
169 |
4.97 |
| Dorchester |
461 |
0 |
0 |
0 |
0.00 |
| Frederick |
5,966 |
0 |
0 |
0 |
0.00 |
| Garrett |
342 |
0 |
0 |
0 |
0.00 |
| Harford |
5,383 |
0 |
0 |
0 |
0.00 |
| Howard |
11,292 |
310 |
3 |
313 |
2.77 |
| Kent |
415 |
0 |
0 |
0 |
0.00 |
| Montgomery |
48,309 |
3,583 |
53 |
3,636 |
7.53 |
| Prince George's |
27,698 |
145 |
0 |
145 |
0.52 |
| Queen Anne's |
831 |
0 |
0 |
0 |
0.00 |
| St. Mary's |
1,889 |
0 |
0 |
0 |
0.00 |
| Somerset |
379 |
0 |
0 |
0 |
0.00 |
| Talbot |
947 |
0 |
0 |
0 |
0.00 |
| Washington |
2,924 |
0 |
0 |
0 |
0.00 |
| Wicomico |
2,262 |
0 |
0 |
0 |
0.00 |
| Worcester |
998 |
0 |
0 |
0 |
0.00 |
| Total |
167,920 |
4,557 |
72 |
4,629 |
2.76 |
All Registered Voters
| | Registered Voters | Voted Polls | Voted Absentee | Total | % |
| Allegany |
36,251 |
16,344 |
408 |
16,752 |
46.21 |
| Anne Arundel |
176,527 |
61,644 |
1,436 |
63,080 |
35.73 |
| Baltimore City |
321,142 |
86,595 |
2,102 |
88,697 |
27.62 |
| Baltimore |
344,963 |
97,390 |
1,601 |
98,991 |
28.70 |
| Calvert |
23,322 |
9,953 |
315 |
10,268 |
44.03 |
| Caroline |
9,030 |
3,328 |
46 |
3,374 |
37.36 |
| Carroll |
54,139 |
17,086 |
420 |
17,506 |
32.34 |
| Cecil |
26,631 |
11,407 |
373 |
11,780 |
44.23 |
| Charles |
41,814 |
13,473 |
501 |
13,974 |
33.42 |
| Dorchester |
13,639 |
6,643 |
188 |
6,831 |
50.08 |
| Frederick |
60,272 |
16,853 |
374 |
17,227 |
28.58 |
| Garrett |
11,715 |
5,043 |
183 |
5,226 |
44.61 |
| Harford |
78,935 |
26,099 |
527 |
26,626 |
33.73 |
| Howard |
92,801 |
22,444 |
545 |
22,989 |
24.77 |
| Kent |
8,395 |
3,947 |
163 |
4,110 |
48.96 |
| Montgomery |
363,000 |
115,483 |
3,044 |
118,527 |
32.65 |
| Prince George's |
278,654 |
94,705 |
2,173 |
96,878 |
34.77 |
| Queen Anne's |
14,565 |
6,220 |
95 |
6,315 |
43.36 |
| St. Mary's |
27,767 |
11,483 |
316 |
11,799 |
42.49 |
| Somerset |
9,733 |
4,586 |
214 |
4,800 |
49.32 |
| Talbot |
14,634 |
5,827 |
166 |
5,993 |
40.95 |
| Washington |
47,506 |
15,789 |
452 |
16,241 |
34.19 |
| Wicomico |
33,463 |
13,037 |
237 |
13,274 |
39.67 |
| Worcester |
17,597 |
7,693 |
195 |
7,888 |
44.83 |
| Total |
2,106,495 |
673,072 |
16,074 |
689,146 |
32.72 |