VANGUARD BOND INDEX FUND INC
NSAR-B, 1998-02-24
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<PAGE>      PAGE  1
000 B000000 12/31/97
000 C000000 0000794105
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 3.0.a
000 J000000 U
001 A000000 VANGUARD BOND INDEX FUND, INC.
001 B000000 811-4681
001 C000000 6106691000
002 A000000 100 VANGUARD BOULEVARD
002 B000000 MALVERN
002 C000000 PA
002 D010000 19355
003  000000 N
004  000000 N
005  000000 N
006  000000 N
007 A000000 Y
007 B000000  4
007 C010100  1
007 C020100 TOTAL BOND MARKET PORTFOLIO
007 C030100 N
007 C010200  2
007 C020200 SHORT-TERM BOND PORTFOLIO
007 C030200 N
007 C010300  3
007 C020300 INTERMEDIATE-TERM BOND PORTFOLIO
007 C030300 N
007 C010400  4
007 C020400 LONG-TERM BOND PORTFOLIO
007 C030400 N
007 C010500  5
007 C010600  6
007 C010700  7
007 C010800  8
007 C010900  9
007 C011000 10
014 A00AA01 VANGUARD MARKETING CORPORATION
014 B00AA01 8-21570
018  00AA00 Y
019 A00AA00 Y
019 B00AA00   94
019 C00AA00 VANGUARDGR
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<PAGE>      PAGE  2
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021  000000        0
022 A000001 THE VANGUARD GROUP, INC./POOLED CASH ACCOUNT
022 B000001 23-1945930
022 C000001   2214344
022 D000001   2167391
022 A000002 BEAR STEARNS & CO.
022 B000002 13-3299429
022 C000002   1270183
022 D000002    847533
022 A000003 BARCLAYS DE ZOETE WEDD SECURITIES INC.
022 B000003 13-3551367
022 C000003   1068083
022 D000003    567640
022 A000004 LEHMAN GOVERNMENT SECURITIES INC.
022 B000004 13-2726611
022 C000004    741135
022 D000004    346939
022 A000005 MERRILL LYNCH PIERCE FENNER & SMITH
022 B000005 13-5674085
022 C000005    330758
022 D000005     13166
022 A000006 PAINEWEBBER INCORPORATED
022 B000006 13-2638166
022 C000006    212054
022 D000006     36099
022 A000007 J.P. MORGAN SECURITIES INC.
022 B000007 13-3224016
022 C000007    137062
022 D000007     19110
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022 B000008 13-2518466
022 C000008     95262
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<PAGE>      PAGE  4
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<PAGE>      PAGE  7
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<PAGE>      PAGE  9
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<PAGE>      PAGE  10
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<PAGE>      PAGE  13
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SIGNATURE   GARY P. SOURA                                
TITLE       MANAGER             
 


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<CIK> 0000794105
<NAME> VANGUARD BOND INDEX FUND, INC.
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   <NAME> TOTAL BOND MARKET PORTFOLIO-INVESTOR SHARES
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<NAME> VANGUARD BOND INDEX FUND, INC.
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   <NAME> TOTAL BOND MARKET PORTFOLIO-INSTITUTIONAL SHARES
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<TABLE> <S> <C>

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<NAME> VANGUARD BOND INDEX FUND, INC.
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   <NAME> SHORT-TERM BOND PORTFOLIO
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</TABLE>

<TABLE> <S> <C>

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</TABLE>

<TABLE> <S> <C>

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