PAGE 1
000 B000000 04/30/2005
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 1345 AVENUE OF THE AMERICAS
002 B000000 NEW YORK
002 C000000 NY
002 D010000 10105
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 ALLIANZ GLOBAL INVESTORS FUND MANAGEMENT LLC
008 B000001 A
008 C000001 801-31227
008 D010001 NEW YORK
008 D020001 NY
008 D030001 10105
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 DELETE
011 A000001 UBS WARBURG LLC
011 B000001 8-07346
011 C010001 STAMFORD
011 C020001 CT
011 C030001 06901
011 A000002 AG EDWARDS & SONS INC.
PAGE 2
011 B000002 8-03548
011 C010002 ST. LOUIS
011 C020002 MO
011 C030002 63103
011 A000003 CIBC WORLD MARKETS CORP.
011 B000003 8-06918
011 C010003 NEW YORK
011 C020003 NY
011 C030003 10017
012 A000001 PFPC, INC.
012 B000001 84-58023
012 C010001 PROVIDENCE
012 C020001 RI
012 C030001 02940
013 A000001 PRICEWATERHOUSECOOPERS LLP
013 B010001 NEW YORK
013 B020001 NY
013 B030001 10017
014 A000001 DRESDNER BANK AG
014 B000001 8-12859
014 A000002 DRESDNER KLENWORT WASSERSTEIN SECURITIES LLC
014 B000002 8-49647
014 A000003 DRESDNER KLENWORT BENSON
014 B000003 8-00000
014 A000004 GRANCHESTER SECURITIES
014 B000004 8-00000
015 A000001 STATE STREET CORP
015 B000001 C
015 C010001 BOSTON
015 C020001 MA
015 C030001 02105
015 E010001 X
018 000000 Y
019 A000000 Y
019 B000000 31
019 C000000 ALLIANZGLO
020 A000001 GOLDMAN SACHS & CO.
020 B000001 13-5108880
020 C000001 36
020 A000002 MERRILL LYNCH PIERCE FENNER & SMITH
020 B000002 13-5674085
020 C000002 20
020 A000003 LEHMAN SECURITIES INC.
020 B000003 13-2418466
020 C000003 14
020 A000004 DEUTSCHE BANK AG
020 B000004 13-2944980
020 C000004 11
020 A000005 MIZUHO SECURITIES
020 B000005 36-2880742
020 C000005 4
PAGE 3
020 A000006 BEAR STEARNS SECURITIES CORP.
020 B000006 13-3299429
020 C000006 3
020 A000007 CITIGROUP GLOBAL MARKET
020 B000007 52-1566809
020 C000007 3
020 C000008 0
020 C000009 0
020 C000010 0
021 000000 91
022 A000001 LEHMAN SECURITES INC.
022 B000001 13-2418466
022 C000001 38233
022 D000001 16221
022 A000002 MERRILL LYNCH PIERCE FENNER & SMITH
022 B000002 13-5674085
022 C000002 31375
022 D000002 19290
022 A000003 CITY GROUP GLOBAL MARKET INC.
022 B000003 52-1566809
022 C000003 17494
022 D000003 16646
022 A000004 UBS PAINE WEBBER INC.
022 B000004 13-2932996
022 C000004 11962
022 D000004 4665
022 A000005 BEAR STEARNS SECURITIES CORP.
022 B000005 13-3299429
022 C000005 3954
022 D000005 9653
022 A000006 BANC OF AMERICA SECURITIES
022 B000006 56-2058405
022 C000006 2534
022 D000006 8884
022 A000007 GOLDMAN SACHS & CO.
022 B000007 13-5108880
022 C000007 8398
022 D000007 1471
022 A000008 RAYMOND JAMES & ASSOCIATES
022 B000008 59-1237041
022 C000008 129
022 D000008 9010
022 A000009 JP MORGAN CHASE & CO.
022 B000009 13-3112953
022 C000009 3245
022 D000009 3900
022 A000010 MORGAN STANLEY
022 B000010 13-2655998
022 C000010 1347
022 D000010 5690
023 C000000 126800
PAGE 4
023 D000000 114203
024 000000 N
025 D000001 0
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
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
PAGE 5
030 C000000 0.00
031 A000000 0
031 B000000 0
032 000000 0
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
054 A000000 Y
054 B000000 Y
PAGE 6
054 C000000 N
054 D000000 N
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 Y
055 B000000 N
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 1.6
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 97.5
062 P000000 0.0
062 Q000000 0.0
062 R000000 -0.7
063 A000000 0
063 B000000 19.6
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
PAGE 7
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 Y
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 60591
071 B000000 68347
071 C000000 528699
071 D000000 11
072 A000000 12
072 B000000 30981
072 C000000 0
072 D000000 0
072 E000000 0
072 F000000 3556
072 G000000 0
072 H000000 0
072 I000000 35
072 J000000 108
072 K000000 0
072 L000000 65
072 M000000 30
PAGE 8
072 N000000 0
072 O000000 0
072 P000000 0
072 Q000000 0
072 R000000 60
072 S000000 7
072 T000000 0
072 U000000 0
072 V000000 0
072 W000000 587
072 X000000 4448
072 Y000000 1119
072 Z000000 27652
072AA000000 0
072BB000000 8370
072CC010000 24935
072CC020000 0
072DD010000 26513
072DD020000 0
072EE000000 0
073 A010000 1.0925
073 A020000 0.0000
073 B000000 0.0000
073 C000000 0.0000
074 A000000 55
074 B000000 0
074 C000000 9040
074 D000000 546836
074 E000000 0
074 F000000 0
074 G000000 0
074 H000000 0
074 I000000 0
074 J000000 245
074 K000000 0
074 L000000 10505
074 M000000 24
074 N000000 566705
074 O000000 0
074 P000000 207
074 Q000000 0
074 R010000 0
074 R020000 0
074 R030000 3678
074 R040000 2121
074 S000000 200000
074 T000000 360699
074 U010000 24310
074 U020000 0
074 V010000 14.84
074 V020000 0.00
PAGE 9
074 W000000 0.0000
074 X000000 193
074 Y000000 9040
075 A000000 0
075 B000000 547021
076 000000 14.64
077 A000000 Y
077 B000000 Y
077 C000000 Y
078 000000 N
080 A000000 ICI MUTUAL INSURANCE COMPANY
080 C000000 30000
081 A000000 Y
081 B000000 31
082 A000000 N
082 B000000 0
083 A000000 N
083 B000000 0
084 A000000 N
084 B000000 0
085 A000000 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
087 A020000 72200R107
087 A030000 PMF
087 B010000 PREFERRED
087 B020000 72200R206
088 A000000 N
088 B000000 N
088 C000000 N
088 D000000 Y
SIGNATURE LAWRENCE G. ALTADONNA
TITLE TREASUER