<PAGE> PAGE 1
000 B000000 04/30/2000
000 C000000 0000763897
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 6.1
000 J000000 U
001 A000000 DREYFUS INSURED MUNICIPAL BOND FUND, INC.
001 B000000 811-4237
001 C000000 2129226807
002 A000000 200 PARK AVENUE
002 B000000 NEW YORK
002 C000000 NY
002 D010000 10166
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 N
007 B000000 0
011 A000001 DREFYUS SERVICE CORPORAITON
011 B000001 8-13801
011 C010001 NEW YORK
011 C020001 NY
011 C030001 10166
018 000000 Y
019 A000000 Y
019 B000000 174
019 C000000 DREYFUSFAM
022 A000001 SALOMON SMITH BARNEY, INC.
022 B000001 13-1912900
022 C000001 22075
022 D000001 25250
022 A000002 GOLDMAN, SACHS & CO.
022 B000002 13-5108880
022 C000002 11000
022 D000002 9700
022 A000003 BBT CAPITAL MARKETS
022 B000003 FOREIGN
022 C000003 10460
022 D000003 4370
022 A000004 PAINEWEBBER INCORPORATED
022 B000004 13-2638166
022 C000004 4500
022 D000004 4500
022 A000005 J.C. BRADFORD & CO.
022 B000005 62-0136910
022 C000005 0
022 D000005 7219
<PAGE> PAGE 2
022 A000006 SUTRO & CO. INCORPORATED
022 B000006 94-1704902
022 C000006 0
022 D000006 6651
022 A000007 LEHMAN BROTHERS INC.
022 B000007 13-2518466
022 C000007 0
022 D000007 4468
022 A000008 SAMUEL A. RAMIREZ & CO., INC.
022 B000008 13-2695511
022 C000008 2002
022 D000008 2005
022 A000009 FLEET SECURITIES, INC.
022 B000009 13-3217611
022 C000009 0
022 D000009 3573
022 A000010 BEAR, STEARNS & CO., INC.
022 B000010 13-3299429
022 C000010 2316
022 D000010 0
023 C000000 57452
023 D000000 67736
028 A010000 886
028 A020000 498
028 A030000 0
028 A040000 2195
028 B010000 277
028 B020000 476
028 B030000 0
028 B040000 2914
028 C010000 700
028 C020000 470
028 C030000 0
028 C040000 1818
028 D010000 1864
028 D020000 440
028 D030000 0
028 D040000 4017
028 E010000 4415
028 E020000 465
028 E030000 0
028 E040000 3455
028 F010000 333
028 F020000 417
028 F030000 0
028 F040000 3810
028 G010000 8475
028 G020000 2766
028 G030000 0
028 G040000 18209
028 H000000 0
<PAGE> PAGE 3
034 000000 N
035 000000 0
036 B000000 0
037 000000 Y
038 000000 7
039 000000 N
040 000000 Y
041 000000 Y
042 A000000 94
042 B000000 1
042 C000000 5
042 D000000 0
042 E000000 0
042 F000000 0
042 G000000 0
042 H000000 0
043 000000 334
044 000000 0
055 A000000 Y
055 B000000 N
056 000000 N
057 000000 N
058 A000000 N
059 000000 N
060 A000000 N
060 B000000 N
061 000000 2500
062 A000000 Y
062 B000000 0.0
062 C000000 0.0
062 D000000 0.0
062 E000000 0.8
062 F000000 0.0
062 G000000 0.0
062 H000000 0.0
062 I000000 0.0
062 J000000 0.0
062 K000000 0.0
062 L000000 0.0
062 M000000 0.0
062 N000000 0.0
062 O000000 97.2
062 P000000 0.0
062 Q000000 0.0
062 R000000 0.0
063 A000000 0
063 B000000 23.2
064 A000000 Y
064 B000000 N
066 A000000 N
067 000000 N
<PAGE> PAGE 4
068 A000000 N
068 B000000 N
069 000000 N
071 A000000 19877
071 B000000 33611
071 C000000 160777
071 D000000 12
072 A000000 12
072 B000000 9644
072 C000000 0
072 D000000 0
072 E000000 0
072 F000000 991
072 G000000 0
072 H000000 0
072 I000000 101
072 J000000 16
072 K000000 0
072 L000000 16
072 M000000 31
072 N000000 29
072 O000000 1
072 P000000 2
072 Q000000 0
072 R000000 41
072 S000000 12
072 T000000 334
072 U000000 0
072 V000000 0
072 W000000 11
072 X000000 1585
072 Y000000 180
072 Z000000 8239
072AA000000 821
072BB000000 831
072CC010000 0
072CC020000 12867
072DD010000 8195
072DD020000 0
072EE000000 0
073 A010000 0.8528
073 A020000 0.0000
073 B000000 0.0000
073 C000000 0.0000
074 A000000 143
074 B000000 0
074 C000000 1300
074 D000000 151939
074 E000000 0
074 F000000 0
074 G000000 0
<PAGE> PAGE 5
074 H000000 0
074 I000000 0
074 J000000 0
074 K000000 0
074 L000000 3194
074 M000000 12
074 N000000 156588
074 O000000 0
074 P000000 104
074 Q000000 0
074 R010000 0
074 R020000 0
074 R030000 0
074 R040000 52
074 S000000 0
074 T000000 156432
074 U010000 9238
074 U020000 0
074 V010000 16.93
074 V020000 0.00
074 W000000 0.0000
074 X000000 3490
074 Y000000 0
075 A000000 0
075 B000000 165158
076 000000 0.00
077 A000000 Y
077 B000000 Y
077 Q010000 Y
080 A000000 VIGILANT INSURANCE COMPANY
080 B000000 NATIONAL UNION FIRE INS. CO. OF PITTSBURGH,PA
080 C000000 125000
081 A000000 Y
081 B000000 183
082 A000000 N
082 B000000 0
083 A000000 N
083 B000000 0
084 A000000 N
084 B000000 0
085 A000000 Y
085 B000000 N
SIGNATURE JOHN B. HAMMALIAN
TITLE SECRETARY
