Form NSAR-B BLACKROCK FLORIDA MUNICI For: Jul 31

      PAGE  1
000 B000000 07/31/2016
000 C000000 0001181249
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 FLORIDA MUNICIPAL 2020 TERM TRUST
001 B000000 811-21184
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
008 A000001 BLACKROCK ADVISORS, LLC
008 B000001 A
008 C000001 801-47710
008 D010001 WILMINGTON
008 D020001 DE
008 D030001 19809
012 A000001 COMPUTERSHARE TRUST COMPANY, N.A. (COMMON)
012 B000001 85-11340
012 C010001 CANTON
012 C020001 MA
012 C030001 02021
012 A000002 THE BANK OF NEW YORK MELLON (PREFERRED)
012 B000002 85-05006
012 C010002 NEW YORK
012 C020002 NY
012 C030002 10289
013 A000001 DELOITTE & TOUCHE LLP
013 B010001 BOSTON
013 B020001 MA
013 B030001 02116
014 A000001 BLACKROCK EXECUTION SERVICES
014 B000001 8-48719
014 A000002 BLACKROCK INVESTMENTS, INC.
014 B000002 8-48436
014 A000003 HARRIS WILLIAMS LLC
014 B000003 8-53380
014 A000004 PNC CAPITAL MARKETS, INC.
014 B000004 8-32493
      PAGE  2
014 A000005 PNC INVESTMENTS LLC
014 B000005 8-66195
014 A000006 SOLEBURY CAPITAL, LLC
014 B000006 8-67548
015 A000001 STATE STREET BANK & TRUST COMPANY
015 B000001 C
015 C010001 BOSTON
015 C020001 MA
015 C030001 02110
015 E010001 X
018  000000 Y
019 A000000 Y
019 B000000  272
019 C000000 BLKRKADVSR
021  000000        0
022 A000001 BLACKROCK LIQUIDITY FUNDS, MUNICASH
022 B000001 52-0983343
022 C000001      6980
022 D000001      5143
022 A000002 FFI INSTITUTIONAL TAX-EXEMPT FUND
022 B000002 22-2509978
022 C000002      2360
022 D000002      2910
022 A000003 PERSHING LLC
022 B000003 13-2741729
022 C000003      2223
022 D000003      2078
022 A000004 RAYMOND JAMES & ASSOCIATES, INC.
022 B000004 59-1237041
022 C000004      3883
022 D000004         0
022 A000005 DAVIDSON D.A. & COMPANY INC.
022 C000005         0
022 D000005      2023
022 A000006 J.P. MORGAN SECURITIES LLC
022 B000006 13-3299429
022 C000006       672
022 D000006         0
022 A000007 JEFFERIES & COMPANY, INC.
022 B000007 95-2622990
022 C000007         0
022 D000007       641
022 A000008 BANK OF AMERICA CORP
022 B000008 56-0906609
022 C000008       579
022 D000008         0
022 A000009 WELLS FARGO BANK NA
022 B000009 94-1347393
022 C000009       454
022 D000009         0
022 A000010 BARCLAYS CAPITAL INC
      PAGE  3
022 B000010 13-3297824
022 C000010         0
022 D000010       111
023 C000000      17151
023 D000000      13010
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
028 A010000         0
028 A020000         0
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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
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043  000000      0
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045  000000 Y
046  000000 N
047  000000 Y
048  000000  0.500
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
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062 C000000   0.0
062 D000000   0.0
062 E000000   0.0
062 F000000   0.0
062 G000000   0.0
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062 M000000   0.0
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068 B000000 N
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070 A010000 Y
070 A020000 N
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070 B020000 N
      PAGE  6
070 C010000 Y
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070 D010000 N
070 D020000 N
070 E010000 Y
070 E020000 N
070 F010000 N
070 F020000 N
070 G010000 Y
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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
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070 M010000 N
070 M020000 N
070 N010000 Y
070 N020000 N
070 O010000 Y
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070 P010000 Y
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071 A000000      7810
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072 B000000     3106
072 C000000        1
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      PAGE  7
072 P000000        0
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072AA000000        0
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073 A010000   0.3794
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      PAGE  8
074 Y000000     2223
075 A000000        0
075 B000000    85420
076  000000    15.21
077 A000000 Y
077 B000000 Y
078  000000 N
080 A000000 FEDERAL INSURANCE COMPANY
080 B000000 St. Paul Fire & Marine Insurance Company
080 C000000    61025
081 A000000 Y
081 B000000  74
082 A000000 N
082 B000000        0
083 A000000 N
083 B000000        0
084 A000000 N
084 B000000        0
085 A000000 Y
085 B000000 N
086 A010000      0
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086 C020000      0
086 D010000      0
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086 E010000      0
086 E020000      0
086 F010000      0
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087 A010000 COMMON STOCK
087 A020000 09250M109
087 A030000 BFO
088 A000000 N
088 B000000 N
088 C000000 N
088 D000000 Y
SIGNATURE   NEAL J. ANDREWS
TITLE       CFO
 

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

TO THE SHAREHOLDERS AND BOARD OF TRUSTEES OF BLACKROCK CALIFORNIA MUNICIPAL
INCOME TRUST, BLACKROCK FLORIDA MUNICIPAL 2020 TERM TRUST, BLACKROCK MUNICIPAL
2030 TARGET TERM TRUST (FORMERLY BLACKROCK MUNICIPAL TARGET TERM TRUST),
BLACKROCK MUNICIPAL INCOME INVESTMENT TRUST, BLACKROCK NEW JERSEY MUNICIPAL
INCOME TRUST, AND BLACKROCK NEW YORK MUNICIPAL INCOME TRUST:

In planning and performing our audit of the financial statements of BlackRock
California Municipal Income Trust, BlackRock Florida Municipal 2020 Term Trust,
BlackRock Municipal 2030 Target Term Trust (formerly BlackRock Municipal Target
Term Trust), BlackRock Municipal Income Investment Trust, BlackRock New Jersey
Municipal Income Trust, and BlackRock New York Municipal Income Trust
(collectively, the "Trusts") as of and for the year ended July 31, 2016, in
accordance with the standards of the Public Company Accounting Oversight Board
(United States), we considered the Trusts' internal control over financial
reporting, including controls over safeguarding securities, as a basis for
designing our auditing procedures for the purpose of expressing our opinion on
the financial statements and to comply with the requirements of Form N-SAR, but
not for the purpose of expressing an opinion on the effectiveness of the
Trusts' internal control over financial reporting. Accordingly, we express no
such opinion.

The management of the Trusts is responsible for establishing and maintaining
effective internal control over financial reporting. In fulfilling this
responsibility, estimates and judgments by management are required to assess
the expected benefits and related costs of controls. A trust's internal control
over financial reporting is a process designed to provide reasonable assurance
regarding the reliability of financial reporting and the preparation of
financial statements for external purposes in accordance with generally
accepted accounting principles. A trust's internal control over financial
reporting includes those policies and procedures that (1) pertain to the
maintenance of records that, in reasonable detail, accurately and fairly
reflect the transactions and dispositions of the assets of the trust; (2)
provide reasonable assurance that transactions are recorded as necessary to
permit preparation of financial statements in accordance with generally
accepted accounting principles, and that receipts and expenditures of the trust
are being made only in accordance with authorizations of management and
trustees of the trust; and (3) provide reasonable assurance regarding
prevention or timely detection of unauthorized acquisition, use, or disposition
of a trust's assets that could have a material effect on the financial
statements.

Because of its inherent limitations, internal control over financial reporting
may not prevent or detect misstatements. Also, projections of any evaluation of
effectiveness to future periods are subject to the risk that controls may
become inadequate because of changes in conditions or that the degree of
compliance with the policies or procedures may deteriorate.

A deficiency in internal control over financial reporting exists when the
design or operation of a control does not allow management or employees, in the
normal course of performing their assigned functions, to prevent or detect
misstatements on a timely basis. A material weakness is a deficiency, or a
combination of deficiencies, in internal control over financial reporting, such
that there is a reasonable possibility that a material misstatement of the
trusts' annual or interim financial statements will not be prevented or
detected on a timely basis.

Our consideration of the Trusts' internal control over financial reporting was
for the limited purpose described in the first paragraph and would not
necessarily disclose all deficiencies in internal control that might be
material weaknesses under standards established by the Public Company
Accounting Oversight Board (United States). However, we noted no deficiencies
in the Trusts' internal control over financial reporting and their operation,
including controls for safeguarding securities, that we consider to be a
material weakness, as defined above, as of July 31, 2016.

This report is intended solely for the information and use of management and
the Board of Trustees of BlackRock California Municipal Income Trust, BlackRock
Florida Municipal 2020 Term Trust, BlackRock Municipal 2030 Target Term Trust,
BlackRock Municipal Income Investment Trust, BlackRock New Jersey Municipal
Income Trust, and BlackRock New York Municipal Income Trust and the Securities
and Exchange Commission and is not intended to be and should not be used by
anyone other than these specified parties.

/s/ Deloitte & Touche LLP
Boston, Massachusetts
September 26, 2016

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