PAGE 1
000 A000000 10/31/2012
000 C000000 0001140392
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 6.1
000 J000000 A
001 A000000 PIMCO MUNICIPAL INCOME FUND
001 B000000 811-10377
001 C000000 2127393371
002 A000000 1633 BROADWAY
002 B000000 NEW YORK
002 C000000 NY
002 D010000 10019
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 N
007 B000000 0
007 C010100 1
008 A000001 ALLIANZ GLOBAL INVESTORS FUND MANAGEMENT LLC
008 B000001 A
008 C000001 801-57798
008 D010001 NEW YORK
008 D020001 NY
008 D030001 10019
008 A000002 PACIFIC INVESTMENT MANAGEMENT COMPANY LLC
008 B000002 S
008 C000002 801-48187
008 D010002 NEWPORT BEACH
008 D020002 CA
008 D030002 92660
010 A000001 ALLIANZ GLOBAL INVESTORS FUND MANAGEMENT LLC
010 B000001 801-57798
010 C010001 NEW YORK
010 C020001 NY
010 C030001 10019
012 A000001 AMERICAN STOCK TRANSFER & TRUST COMPANY LLC
012 B000001 84-00416
012 C010001 BROOKLYN
012 C020001 NY
012 C030001 11219
013 A000001 PRICEWATERHOUSECOOPERS LLP
013 B010001 NEW YORK
013 B020001 NY
013 B030001 10017
014 A000001 ALLIANZ GLOBAL INVESTORS DISTRIBUTORS LLC
014 B000001 8-041811
PAGE 2
014 A000002 PIMCO INVESTMENTS LLC
014 B000002 8-68686
014 A000003 ADIG FONDSVERTRIEB GMBH
014 B000003 8-00000
014 A000004 PIMCO DEUTSCHLAND GMBH
014 B000004 8-00000
015 A000001 STATE STREET BANK & TRUST CO.
015 B000001 C
015 C010001 BOSTON
015 C020001 MA
015 C030001 02111
018 000000 Y
019 A000000 Y
019 B000000 78
019 C000000 ALLIANZGLO
020 A000001 UBS AG
020 B000001 13-3873456
020 C000001 0
021 000000 0
022 A000001 CITIGROUP, INC.
022 B000001 52-1568099
022 C000001 0
022 D000001 11451
022 A000002 MORGAN STANLEY
022 B000002 36-3145972
022 C000002 7899
022 D000002 0
022 A000003 THE GOLDMAN SACHS GROUP, INC.
022 B000003 13-4019460
022 C000003 7514
022 D000003 0
022 A000004 BANK OF AMERICA CORP.
022 B000004 56-0906609
022 C000004 5307
022 D000004 0
022 A000005 BARCLAYS CAPITAL, INC.
022 B000005 06-1031656
022 C000005 3184
022 D000005 0
022 A000006 ROYAL BANK OF CANADA
022 C000006 2963
022 D000006 0
022 A000007 U.S. BANCORP PIPER JAFFRAY, INC.
022 B000007 41-0953246
022 C000007 0
022 D000007 2655
022 A000008 JPMORGAN CHASE & CO.
022 B000008 13-3224016
022 C000008 2140
022 D000008 0
023 C000000 29007
PAGE 3
023 D000000 14106
024 000000 Y
025 A000001 JPMORGAN CHASE & CO.
025 B000001 13-3224016
025 C000001 D
025 D000001 2160
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
028 A010000 0
028 A020000 0
028 A030000 0
028 A040000 0
028 B010000 0
028 B020000 0
028 B030000 0
028 B040000 0
028 C010000 0
028 C020000 0
028 C030000 0
028 C040000 0
028 D010000 0
028 D020000 0
028 D030000 0
028 D040000 0
028 E010000 0
028 E020000 0
028 E030000 0
028 E040000 0
028 F010000 0
028 F020000 0
028 F030000 0
028 F040000 0
028 G010000 0
028 G020000 0
028 G030000 0
028 G040000 0
028 H000000 0
030 A000000 0
030 B000000 0.00
030 C000000 0.00
031 A000000 0
031 B000000 0
032 000000 0
PAGE 4
033 000000 0
035 000000 0
036 B000000 0
038 000000 0
042 A000000 0
042 B000000 0
042 C000000 0
042 D000000 0
042 E000000 0
042 F000000 0
042 G000000 0
042 H000000 0
043 000000 0
044 000000 0
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
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 Y
054 H000000 Y
054 I000000 N
054 J000000 Y
054 K000000 N
054 L000000 N
054 M000000 Y
054 N000000 N
054 O000000 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 0.0
062 M000000 0.0
062 N000000 0.0
062 O000000 101.3
062 P000000 0.0
062 Q000000 0.0
062 R000000 0.0
063 A000000 0
063 B000000 23.8
064 A000000 Y
064 B000000 Y
065 000000 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
PAGE 6
070 B020000 N
070 C010000 N
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 Y
070 K010000 Y
070 K020000 N
070 L010000 N
070 L020000 N
070 M010000 N
070 M020000 N
070 N010000 Y
070 N020000 N
070 O010000 Y
070 O020000 N
070 P010000 N
070 P020000 N
070 Q010000 N
070 Q020000 N
070 R010000 Y
070 R020000 N
071 A000000 29007
071 B000000 42701
071 C000000 533700
071 D000000 5
072 A000000 6
072 B000000 14134
072 C000000 0
072 D000000 0
072 E000000 0
072 F000000 1727
072 G000000 0
072 H000000 0
072 I000000 22
072 J000000 52
072 K000000 0
072 L000000 20
072 M000000 22
072 N000000 0
PAGE 7
072 O000000 0
072 P000000 224
072 Q000000 0
072 R000000 38
072 S000000 7
072 T000000 0
072 U000000 0
072 V000000 0
072 W000000 168
072 X000000 2280
072 Y000000 47
072 Z000000 11901
072AA000000 0
072BB000000 1817
072CC010000 22410
072CC020000 0
072DD010000 12325
072DD020000 0
072EE000000 0
073 A010000 0.4875
073 A020000 0.0000
073 B000000 0.0000
073 C000000 0.0000
074 A000000 142
074 B000000 0
074 C000000 0
074 D000000 544168
074 E000000 0
074 F000000 0
074 G000000 0
074 H000000 0
074 I000000 0
074 J000000 1771
074 K000000 0
074 L000000 9000
074 M000000 118
074 N000000 555199
074 O000000 0
074 P000000 296
074 Q000000 0
074 R010000 0
074 R020000 0
074 R030000 0
074 R040000 17830
074 S000000 190000
074 T000000 347073
074 U010000 25294
074 U020000 0
074 V010000 13.72
074 V020000 0.00
074 W000000 0.0000
PAGE 8
074 X000000 124
074 Y000000 0
075 A000000 0
075 B000000 526941
076 000000 16.45
077 A000000 N
078 000000 N
080 C000000 0
081 B000000 0
082 B000000 0
083 B000000 0
084 B000000 0
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
087 A020000 72200R107
087 A030000 PMF
087 B010000 PREFERRED-SERIES A
087 B020000 72200R206
087 C010000 PREFERRED-SERIES B
087 C020000 72200R305
088 A000000 N
088 B000000 N
088 C000000 N
088 D000000 Y
SIGNATURE LAWRENCE G. ALTADONNA
TITLE TREASURER