PAGE  1
000 A000000 01/31/2010
000 C000000 0001053988
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 6.1
000 J000000 A
001 A000000 BLK MUNIHOLDINGS NEW JERSEY INS. FUND, INC.
001 B000000 811-08621
001 C000000 8004417762
002 A000000 100 BELLEVUE PARKWAY
002 B000000 WILMINGTON
002 C000000 DE
002 D010000 19809
003  000000 N
004  000000 N
005  000000 N
006  000000 N
007 A000000 N
007 B000000  0
007 C010100  1
007 C010200  2
007 C010300  3
007 C010400  4
007 C010500  5
007 C010600  6
007 C010700  7
007 C010800  8
007 C010900  9
007 C011000 10
008 A000001 BLACKROCK ADVISORS, LLC
008 B000001 A
008 C000001 801-47710
008 D010001 WILMINGTON
008 D020001 DE
008 D030001 19809
008 A000002 BLACKROCK INVESTMENT MANAGEMENT, LLC
008 B000002 S
008 C000002 801-56972
008 D010002 PLAINSBORO
008 D020002 NJ
008 D030002 08536
012 A000001 BNY MELLON SHAREOWNER SERVICES (COMMON)
012 B000001 85-05006
012 C010001 JERSEY CITY
012 C020001 NJ
012 C030001 07310
012 A000002 BNY MELLON SHAREOWNER SERVICES (PREFERRED)
012 B000002 85-05006
      PAGE  2
012 C010002 JERSEY CITY
012 C020002 NJ
012 C030002 07310
013 A000001 DELOITTE & TOUCHE LLP
013 B010001 PRINCETON
013 B020001 NJ
013 B030001 08540
014 A000001 BB & T AM DISTRIBUTORS, INC.
014 B000001 8-52396
014 A000002 BLACKROCK CAPITAL MARKETS, LLC
014 B000002 8-67827
014 A000003 BLACKROCK DISTRIBUTORS, INC.
014 B000003 8-048775
014 A000004 BLACKROCK INVESTMENTS, LLC
014 B000004 8-048436
014 A000005 HARRIS WILLIAMS LLC
014 B000005 8-53380
014 A000006 MGI FUNDS DISTRIBUTOR, INC.
014 B000006 8-046960
014 A000007 NATCITY INVESTMENTS, INC.
014 B000007 8-35288
014 A000008 NORTHERN FUNDS DISTRIBUTORS, LLC
014 B000008 8-051242
014 A000009 PNC CAPITAL MARKETS, INC.
014 B000009 8-32493
014 A000010 PNC INVESTMENTS LLC
014 B000010 8-066195
014 A000011 PFPC DISTRIBUTORS, INC.
014 B000011 8-045467
014 A000012 RED CAPITAL MARKETS, INC.
014 B000012 8-31175
014 A000013 BLACKROCK EXECUTION SERVICES
014 B000013 8-48719
014 A000014 BLACKROCK FUND DISTRIBUTION COMPANY
014 B000014 8-67795
015 A000001 THE BANK OF NEW YORK MELLON
015 B000001 C
015 C010001 NEW YORK
015 C020001 NY
015 C030001 10286
015 E010001 X
015 A000002 J.P. MORGAN CHASE BANK
015 B000002 S
015 C010002 NEW YORK
015 C020002 NY
015 C030002 10017
015 E010002 X
018  000000 Y
019 A000000 Y
019 B000000  285
019 C000000 BLKRKADVSR
      PAGE  3
020 A000001 RBS SECURITIES INC.
020 C000001      1
020 C000002      0
020 C000003      0
020 C000004      0
020 C000005      0
020 C000006      0
020 C000007      0
020 C000008      0
020 C000009      0
020 C000010      0
021  000000        1
022 A000001 CMA NEW JERSEY MUNICIPAL MONEY FUND
022 B000001 22-6507571
022 C000001     22961
022 D000001     20988
022 A000002 D.A. DAVIDSON & CO.
022 B000002 81-0139474
022 C000002      6921
022 D000002         0
022 A000003 PRAGER, SEALY & CO., LLC
022 B000003 94-3057440
022 C000003      4004
022 D000003         0
022 A000004 M.R. BEAL & COMPANY
022 B000004 13-3452090
022 C000004      2994
022 D000004         0
022 A000005 HUTCHINSON, SHOCKEY, ERLEY & CO.
022 B000005 36-2355753
022 C000005         0
022 D000005      2593
022 A000006 CABRERA CAPITAL MARKETS, LLC
022 B000006 01-0892965
022 C000006      1756
022 D000006         0
022 A000007 JANNEY MONTGOMERY SCOTT LLC
022 B000007 23-0731260
022 C000007      1547
022 D000007         0
022 A000008 WILLIAM BLAIR & COMPANY, L.L.C.
022 B000008 36-2214610
022 C000008         0
022 D000008       736
022 A000009 FIRST SOUTHWEST COMPANY
022 B000009 75-0708002
022 C000009       580
022 D000009         0
022 A000010 PIPER JAFFRAY & CO.
022 B000010 41-0953246
022 C000010       283
      PAGE  4
022 D000010         0
023 C000000      41045
023 D000000      24316
024  000000 N
026 A000000 N
026 B000000 N
026 C000000 N
026 D000000 Y
026 E000000 N
026 F000000 N
026 G010000 N
026 G020000 N
026 H000000 N
027  000000 N
045  000000 Y
046  000000 N
047  000000 Y
048  000000  0.550
048 A010000        0
048 A020000 0.000
048 B010000        0
048 B020000 0.000
048 C010000        0
048 C020000 0.000
048 D010000        0
048 D020000 0.000
048 E010000        0
048 E020000 0.000
048 F010000        0
048 F020000 0.000
048 G010000        0
048 G020000 0.000
048 H010000        0
048 H020000 0.000
048 I010000        0
048 I020000 0.000
048 J010000        0
048 J020000 0.000
048 K010000        0
048 K020000 0.000
049  000000 N
050  000000 N
051  000000 N
052  000000 N
053 A000000 Y
053 B000000 Y
053 C000000 N
054 A000000 Y
054 B000000 Y
054 C000000 N
054 D000000 N
      PAGE  5
054 E000000 N
054 F000000 N
054 G000000 N
054 H000000 Y
054 I000000 N
054 J000000 Y
054 K000000 N
054 L000000 N
054 M000000 Y
054 N000000 N
055 A000000 N
055 B000000 N
056  000000 Y
057  000000 N
058 A000000 N
059  000000 Y
060 A000000 N
060 B000000 N
061  000000        0
062 A000000 Y
062 B000000   0.0
062 C000000   0.0
062 D000000   0.0
062 E000000   0.0
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   1.7
062 M000000   0.0
062 N000000   0.0
062 O000000 156.2
062 P000000   0.0
062 Q000000   0.0
062 R000000   0.0
063 A000000   0
063 B000000 15.2
064 A000000 Y
064 B000000 N
066 A000000 N
067  000000 N
068 A000000 N
068 B000000 N
069  000000 N
070 A010000 Y
070 A020000 N
070 B010000 N
070 B020000 N
070 C010000 Y
      PAGE  6
070 C020000 N
070 D010000 N
070 D020000 N
070 E010000 Y
070 E020000 Y
070 F010000 N
070 F020000 N
070 G010000 Y
070 G020000 N
070 H010000 N
070 H020000 N
070 I010000 N
070 I020000 N
070 J010000 N
070 J020000 N
070 K010000 Y
070 K020000 Y
070 L010000 N
070 L020000 N
070 M010000 N
070 M020000 N
070 N010000 N
070 N020000 N
070 O010000 Y
070 O020000 N
070 P010000 Y
070 P020000 N
070 Q010000 N
070 Q020000 N
070 R010000 N
070 R020000 N
071 A000000     28705
071 B000000     27102
071 C000000    485659
071 D000000    6
072 A000000  6
072 B000000    11858
072 C000000        0
072 D000000        0
072 E000000        1
072 F000000     1378
072 G000000       63
072 H000000        0
072 I000000       31
072 J000000       13
072 K000000        0
072 L000000       20
072 M000000       19
072 N000000        5
072 O000000        0
072 P000000       45
      PAGE  7
072 Q000000        0
072 R000000       20
072 S000000        8
072 T000000        0
072 U000000        0
072 V000000        0
072 W000000      185
072 X000000     1787
072 Y000000       68
072 Z000000    10140
072AA000000      511
072BB000000       14
072CC010000     9273
072CC020000        0
072DD010000     8721
072DD020000        0
072EE000000      301
073 A010000   0.4105
073 A020000   0.0000
073 B000000   0.0142
073 C000000   0.0000
074 A000000        0
074 B000000        0
074 C000000        0
074 D000000   494195
074 E000000        0
074 F000000        0
074 G000000        0
074 H000000        0
074 I000000     5286
074 J000000     1180
074 K000000        0
074 L000000     4945
074 M000000       44
074 N000000   505650
074 O000000     1553
074 P000000      226
074 Q000000        0
074 R010000        0
074 R020000        0
074 R030000        0
074 R040000    14805
074 S000000   172708
074 T000000   316358
074 U010000    21245
074 U020000        0
074 V010000    14.89
074 V020000     0.00
074 W000000   0.0000
074 X000000     8233
074 Y000000   174234
      PAGE  8
075 A000000        0
075 B000000   502590
076  000000    14.09
077 A000000 N
078  000000 N
086 A010000      0
086 A020000      0
086 B010000      0
086 B020000      0
086 C010000      0
086 C020000      0
086 D010000      0
086 D020000      0
086 E010000      0
086 E020000      0
086 F010000      0
086 F020000      0
087 A010000 COMMON STOCK
087 A020000 09254X101
087 A030000 MUJ
087 B010000 PREFERRED STOCK
088 A000000 N
088 B000000 N
088 C000000 N
088 D000000 Y
SIGNATURE   NEAL J. ANDREWS
TITLE       CFO