PAGE 1
000 A000000 02/28/2010
000 C000000 0000832327
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 6.1
000 J000000 A
001 A000000 BLACKROCK INCOME TRUST, INC.
001 B000000 811-05542
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
010 A000001 BLACKROCK ADVISORS, LLC
010 B000001 801-47710
010 C010001 WILMINGTON
010 C020001 DE
010 C030001 19809
012 A000001 COMPUTERSHARE TRUST COMPANY, N.A.
012 B000001 85-11340
012 C010001 PROVIDENCE
012 C020001 RI
012 C030001 02940
013 A000001 DELOITTE & TOUCHE LLP
013 B010001 PRINCETON
013 B020001 NJ
PAGE 2
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 8-48775
014 A000004 BLACKROCK INVESTMENTS, LLC
014 B000004 8-48436
014 A000005 HARRIS WILLIAMS LLC
014 B000005 8-53380
014 A000006 MGI FUNDS DISTRIBUTOR, INC.
014 B000006 8-46960
014 A000007 NATCITY INVESTMENTS, INC.
014 B000007 8-35288
014 A000008 NORTHERN FUNDS DISTRIBUTORS, LLC
014 B000008 8-51242
014 A000009 PNC CAPITAL MARKETS, INC.
014 B000009 8-32493
014 A000010 PNC INVESTMENTS LLC
014 B000010 8-66195
014 A000011 PFPC DISTRIBUTORS, INC.
014 B000011 8-45467
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 STATE STREET BANK AND TRUST COMPANY
015 B000001 C
015 C010001 BOSTON
015 C020001 MA
015 C030001 02111
015 E010001 X
015 A000002 THE BANK OF NEW YORK MELLON
015 B000002 S
015 C010002 NEW YORK
015 C020002 NY
015 C030002 10286
015 E010002 X
015 A000003 J.P. MORGAN CHASE BANK
015 B000003 S
015 C010003 NEW YORK
015 C020003 NY
015 C030003 10017
015 E010003 X
018 000000 Y
019 A000000 Y
019 B000000 282
019 C000000 BLKRKADVSR
PAGE 3
020 A000001 CITIGROUP GLOBAL MARKETS, INC.
020 B000001 11-2418191
020 C000001 18
020 A000002 UBS SECURITIES LLC
020 B000002 13-3873456
020 C000002 5
020 A000003 RBS SECURITIES INC.
020 C000003 1
020 A000004 GOLDMAN, SACHS & CO.
020 B000004 13-5108880
020 C000004 1
020 A000005 CREDIT SUISSE SECURITIES (USA) L.L.C.
020 B000005 13-5659485
020 C000005 0
020 A000006 MORGAN STANLEY & CO. INCORPORATED
020 B000006 13-2655998
020 C000006 0
020 A000007 BARCLAYS CAPITAL INC.
020 C000007 0
020 A000008 DEUTSCHE BANK SECURITIES INC.
020 B000008 13-2730823
020 C000008 0
020 A000009 JANNEY MONTGOMERY SCOTT LLC
020 B000009 23-0731260
020 C000009 0
020 C000010 0
021 000000 25
022 A000001 CREDIT SUISSE SECURITIES (USA) L.L.C.
022 B000001 13-5659485
022 C000001 977190
022 D000001 965943
022 A000002 DEUTSCHE BANK SECURITIES INC.
022 B000002 13-2730828
022 C000002 790018
022 D000002 863260
022 A000003 J.P. MORGAN SECURITIES INC.
022 B000003 13-3299429
022 C000003 769074
022 D000003 718448
022 A000004 GOLDMAN, SACHS & CO.
022 B000004 13-5108880
022 C000004 597675
022 D000004 470671
022 A000005 MORGAN STANLEY & CO. INCORPORATED
022 B000005 13-2655998
022 C000005 315164
022 D000005 292365
022 A000006 RBS SECURITIES INC.
022 C000006 232862
022 D000006 222610
022 A000007 CITIGROUP GLOBAL MARKETS, INC.
PAGE 4
022 B000007 11-2418191
022 C000007 195496
022 D000007 144808
022 A000008 BLK LIQUIDITY FUNDS, TEMPFUND, INSTIT. CLASS
022 B000008 52-0983343
022 C000008 140074
022 D000008 104865
022 A000009 BARCLAYS CAPITAL INC.
022 C000009 30292
022 D000009 32868
022 A000010 BNP PARIBAS SECURITIES CORP.
022 B000010 13-3235334
022 C000010 23806
022 D000010 8913
023 C000000 4107687
023 D000000 3842496
024 000000 Y
025 A000001 CITIGROUP FUNDING, INC.
025 C000001 D
025 D000001 3835
025 D000002 0
025 D000003 0
025 D000004 0
025 D000005 0
025 D000006 0
025 D000007 0
025 D000008 0
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 0.650
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
PAGE 5
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
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 Y
055 B000000 Y
056 000000 Y
057 000000 N
058 A000000 N
059 000000 Y
060 A000000 Y
060 B000000 Y
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
PAGE 6
062 J000000 0.0
062 K000000 -0.1
062 L000000 45.8
062 M000000 9.6
062 N000000 169.1
062 O000000 0.0
062 P000000 0.0
062 Q000000 14.6
062 R000000 -25.9
063 A000000 0
063 B000000 27.1
064 A000000 N
064 B000000 N
066 A000000 N
067 000000 N
068 A000000 N
068 B000000 N
069 000000 N
070 A010000 Y
070 A020000 Y
070 B010000 N
070 B020000 N
070 C010000 Y
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 Y
070 J020000 N
070 K010000 Y
070 K020000 Y
070 L010000 N
070 L020000 N
070 M010000 N
070 M020000 N
070 N010000 Y
070 N020000 N
070 O010000 Y
070 O020000 Y
070 P010000 Y
070 P020000 N
070 Q010000 N
PAGE 7
070 Q020000 N
070 R010000 Y
070 R020000 N
071 A000000 3269770
071 B000000 2960688
071 C000000 657310
071 D000000 450
072 A000000 6
072 B000000 7187
072 C000000 0
072 D000000 0
072 E000000 160
072 F000000 1495
072 G000000 401
072 H000000 0
072 I000000 33
072 J000000 31
072 K000000 0
072 L000000 76
072 M000000 32
072 N000000 10
072 O000000 0
072 P000000 229
072 Q000000 0
072 R000000 31
072 S000000 19
072 T000000 0
072 U000000 0
072 V000000 0
072 W000000 42
072 X000000 2399
072 Y000000 74
072 Z000000 5022
072AA000000 25672
072BB000000 9837
072CC010000 2236
072CC020000 0
072DD010000 9208
072DD020000 0
072EE000000 0
073 A010000 0.1440
073 A020000 0.0000
073 B000000 0.0000
073 C000000 0.0000
074 A000000 1106
074 B000000 0
074 C000000 5363
074 D000000 907359
074 E000000 0
074 F000000 0
074 G000000 0
PAGE 8
074 H000000 0
074 I000000 241644
074 J000000 253203
074 K000000 0
074 L000000 121124
074 M000000 1799
074 N000000 1531598
074 O000000 892688
074 P000000 277
074 Q000000 11776
074 R010000 0
074 R020000 0
074 R030000 1548
074 R040000 155894
074 S000000 0
074 T000000 469415
074 U010000 63943
074 U020000 0
074 V010000 7.34
074 V020000 0.00
074 W000000 0.0000
074 X000000 30353
074 Y000000 352101
075 A000000 0
075 B000000 463929
076 000000 6.53
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 09247F100
087 A030000 BKT
088 A000000 N
088 B000000 N
088 C000000 N
088 D000000 N
SIGNATURE NEAL J. ANDREWS
TITLE CFO