UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                    Form 13F

                               FORM 13F COVER PAGE

Report for the Calendar Year or Quarter Ended: SEPTEMBER 30, 2004

Check here if Amendment |_|; Amendment Number:______

This Amendment (Check only one.): |_| is a restatement.
                                  |_| adds new holdings entries.

Institutional Investment Manager Filing this Report:

Name:    ALLSTATE LIFE INSURANCE COMPANY
Address: 3075 SANDERS ROAD, SUITE G4A
         NORTHBROOK, IL.  60062-7127

Form 13F File Number: 28-01037

The institutional manager filing this report and the person by whom it is signed
hereby represent that the person signing the report is authorized to submit it,
that all information contained herein is true, correct and complete, and that it
is understood that all required items, statements, schedules, lists, and tables,
are considered integral parts of this form.

Person Signing this Report on Behalf of Reporting Manager:

Name:  DOUG WELCH
Title: ASSISTANT VICE PRESIDENT INVESTMENT OPERATIONS
Phone: 847-402-2170

Signature, Place, and Date of Signing:


         /s/ Doug Welch              NORTHBROOK, IL.            11/9/2004
      -------------------------    ---------------------      ---------------
            [Signature]               [City, State]               [Date]

Report Type (Check only one.):

|X|   13F HOLDINGS REPORT. (Check here if all holdings of thius reporting
      manager are reported in this report.)

|_|   13F NOTICE. (Check here if no holdings reported are in this report, and
      all hgoldings are reported by other reporting manager(s).).)

|_|   13F COMBINATION REPORT. (Check here if a portion of the holdings for this
      reporting manager are reported in this report and a portion are reported
      by other reporting manager(s).)

List of Other Managers Reporting for this Manager:

FORM 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: ONE Form 13F Information Table Entry Total: 203 Form 13F Information Table Value Total: 387,751 (THOUSAND) List of Other Included Managers: Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report. [If there are no entries in this list, state "NONE" and omit the column headings and list entries.] No. Form 13F File Number Name 1 028-10298 ALLSTATE INVESTMENTS LLC

FORM 13F REPORT NAME OF REPORTING MANAGER: ALLSTATE LIFE INSURANCE COMPANY TITLE OF VALUE SHARES/ SH/ PUT/ INVSTMT OTHER VOTING AUTHORITY NAME OF ISSUER CLASS CUSIP (x$1000) PRN AMT PRN CALL DSCRETN MANAGERS SOLE SHARED NONE - ----------------------- -------- --------- -------- ------- --- ---- ------- ---------- -------- -------- ------ 3M COMPANY COMMON 88579Y101 408 5,100 SH DEFINED 1 X ABBOTT LABORATORIES COMMON 002824100 530 12,500 SH DEFINED 1 X ACCENTURE LTD COMMON FOREIGN G1150G111 1,014 37,500 SH DEFINED 1 X ACE LIMITED COMMON FOREIGN G0070K103 449 11,200 SH DEFINED 1 X ADOBE SYSTEMS INC COMMON 00724F101 757 15,300 SH DEFINED 1 X ALCOA INC COMMON 013817101 648 19,300 SH DEFINED 1 X ALLERGAN, INC. COMMON 018490102 421 5,800 SH DEFINED 1 X AMBAC FINANCIAL GROUP COMMON 023139108 360 4,500 SH DEFINED 1 X AMERICAN EXPRESS CO. COMMON 025816109 870 16,900 SH DEFINED 1 X AMERICAN INTERNATIONAL GROUP, INC. COMMON 026874107 1,992 29,300 SH DEFINED 1 X AMERITRADE HLDG CORP COMMON 03074K100 305 25,400 SH DEFINED 1 X AMGEN, INC. COMMON 031162100 964 17,000 SH DEFINED 1 X ANALOG DEVICES, INC. COMMON 032654105 799 20,600 SH DEFINED 1 X APACHE CORP. COMMON 037411105 671 13,400 SH DEFINED 1 X ARCHER-DANIELS-MIDLAND CO. COMMON 039483102 615 36,200 SH DEFINED 1 X AVON PRODUCTS, INC. COMMON 054303102 581 13,300 SH DEFINED 1 X BANK OF AMERICA CORP COMMON 060505104 3,475 80,206 SH DEFINED 1 X BED BATH & BEYOND INC COMMON 075896100 724 19,500 SH DEFINED 1 X BEST BUY, INC. COMMON 086516101 781 14,400 SH DEFINED 1 X BIOGEN IDEC INC COMMON 09062X103 263 4,300 SH DEFINED 1 X BOSTON SCIENTIFIC CORP COMMON 101137107 326 8,200 SH DEFINED 1 X CATERPILLAR, INC. COMMON 149123101 370 4,600 SH DEFINED 1 X CHEVRONTEXACO CORP COMMON 166764100 939 17,500 SH DEFINED 1 X CISCO SYSTEMS, INC. COMMON 17275R102 1,434 79,200 SH DEFINED 1 X CITIGROUP INC COMMON 172967101 3,547 80,400 SH DEFINED 1 X COMCAST CORP CLASS A COMMON 20030N101 291 10,300 SH DEFINED 1 X COMCAST CORP. CLASS A SPECIAL COMMON 20030N200 204 7,300 SH DEFINED 1 X COMPUTER ASSOCIATES INTERNATIONAL, INC. COMMON 204912109 492 18,700 SH DEFINED 1 X CONOCOPHILLIPS COMMON 20825C104 663 8,000 SH DEFINED 1 X DANAHER CORP. COMMON 235851102 1,538 30,000 SH DEFINED 1 X DEERE & CO., INC. COMMON 244199105 846 13,100 SH DEFINED 1 X DELL INC COMMON 24702R101 1,755 49,300 SH DEFINED 1 X DEVON ENERGY CORP COMMON 25179M103 618 8,700 SH DEFINED 1 X DOMINION RESOURCES, INC. COMMON 25746U109 457 7,000 SH DEFINED 1 X DOW CHEMICAL CO. COMMON 260543103 809 17,900 SH DEFINED 1 X DU PONT (E.I.) DE NEMOURS & CO., INC. COMMON 263534109 308 7,200 SH DEFINED 1 X E M C CORP. COMMON 268648102 957 82,900 SH DEFINED 1 X EBAY INC COMMON 278642103 579 6,300 SH DEFINED 1 X EDISON INTL COMMON 281020107 284 10,700 SH DEFINED 1 X ENTERGY CORP. COMMON 29364G103 642 10,600 SH DEFINED 1 X ESTEE LAUDER COMPANIES CL -A COMMON 518439104 577 13,800 SH DEFINED 1 X EXELON CORP COMMON 30161N101 572 15,600 SH DEFINED 1 X EXXON MOBIL CORPORATION COMMON 30231G102 4,069 84,200 SH DEFINED 1 X FEDERATED DEPARTMENT STORES COMMON 31410H101 295 6,502 SH DEFINED 1 X FEDEX CORPORATION COMMON 31428X106 891 10,400 SH DEFINED 1 X FOREST LABORATORIES, INC. COMMON 345838106 810 18,000 SH DEFINED 1 X FRANKLIN RESOURCES, INC. COMMON 354613101 942 16,900 SH DEFINED 1 X FREDDIE MAC COMMON 313400301 829 12,700 SH DEFINED 1 X GENERAL ELECTRIC CO. COMMON 369604103 5,242 156,100 SH DEFINED 1 X GENERAL MILLS, INC. COMMON 370334104 350 7,800 SH DEFINED 1 X GENERAL MOTORS CORP REDEEMABLE P/S 370442717 4,223 150,000 SH DEFINED 1 X GENERAL MOTORS SERIES A REDEEMABLE P/S 370442741 3,557 140,000 SH DEFINED 1 X GENERAL MOTORS SERIES B REDEEMABLE P/S 370442733 1,793 75,000 SH DEFINED 1 X GENETECH INC COMMON 368710406 346 6,600 SH DEFINED 1 X GILEAD COMMON 375558103 314 8,400 SH DEFINED 1 X GILLETTE CO. COMMON 375766102 1,114 26,700 SH DEFINED 1 X GOLDMAN SACHS COMMON 38141G104 876 9,400 SH DEFINED 1 X GUIDANT CORP COMMON 401698105 859 13,000 SH DEFINED 1 X HARTFORD FINANCIAL SERVICES GROUP COMMON 416515104 588 9,500 SH DEFINED 1 X HEWLETT-PACKARD CO. COMMON 428236103 690 36,800 SH DEFINED 1 X HOME DEPOT, INC. (THE) COMMON 437076102 1,446 36,900 SH DEFINED 1 X HONEYWELL INTERNATIONAL INC COMMON 438516106 914 25,500 SH DEFINED 1 X ILLINOIS TOOL WORKS, INC. COMMON 452308109 876 9,400 SH DEFINED 1 X INCO, LTD. COMMON FOREIGN 453258402 422 10,800 SH DEFINED 1 X INTEL CORP. COMMON 458140100 1,167 58,200 SH DEFINED 1 X INTERNATIONAL BUSINESS MACHINE COMMON 459200101 1,886 22,000 SH DEFINED 1 X INTUIT INC COMMON 461202103 241 5,300 SH DEFINED 1 X iSHARES TRUST RUSSELL 1000 GROWTH INDEX COMMON 464287614 669 14,800 SH DEFINED 1 X iSHARES TRUST S&P 500 BARRA GROWTH COMMON 464287309 668 12,400 SH DEFINED 1 X ITT INDUSTRIES, INC. COMMON 450911102 288 3,600 SH DEFINED 1 X JOHNSON & JOHNSON COMMON 478160104 4,399 78,100 SH DEFINED 1 X JPMORGAN CHASE & COMPANY COMMON 46625H100 2,814 70,820 SH DEFINED 1 X KIMBERLY-CLARK CORP. COMMON 494368103 439 6,800 SH DEFINED 1 X KRAFT FOODS INC COMMON 50075N104 295 9,300 SH DEFINED 1 X LEHMAN BROTHERS HOLDING INC COMMON 524908100 590 7,400 SH DEFINED 1 X LILLY (ELI) & CO. COMMON 532457108 667 11,100 SH DEFINED 1 X LIMITED BRAND INC COMMON 532716107 303 13,600 SH DEFINED 1 X LINEAR TECHNOLOGY CORP. COMMON 535678106 725 20,000 SH DEFINED 1 X LOWE'S COS., INC. COMMON 548661107 810 14,900 SH DEFINED 1 X LUCENT TECHNOLOGIES INC COMMON 549463107 288 90,900 SH DEFINED 1 X MAXIM INTEGRATED PRODUCTS COMMON 57772K101 770 18,200 SH DEFINED 1 X MBNA CORP. COMMON 55262L100 585 23,200 SH DEFINED 1 X MCDONALD'S CORP. COMMON 580135101 586 20,900 SH DEFINED 1 X MCGRAW-HILL CO. COMMON 580645109 207 2,600 SH DEFINED 1 X MELLON FINANCIAL CORP COMMON 58551A108 296 10,700 SH DEFINED 1 X MERCK & CO., INC. COMMON 589331107 1,515 45,900 SH DEFINED 1 X MERRILL LYNCH & CO., INC. COMMON 590188108 283 5,700 SH DEFINED 1 X MICROSOFT CORP. COMMON 594918104 3,561 128,800 SH DEFINED 1 X MORGAN STANLEY COMMON 617446448 917 18,600 SH DEFINED 1 X MOTOROLA, INC. COMMON 620076109 649 36,000 SH DEFINED 1 X NAVISTAR INTERNATIONAL CORP. COMMON 63934E108 602 16,200 SH DEFINED 1 X OCCIDENTAL PETROLEUM CORP. COMMON 674599105 554 9,900 SH DEFINED 1 X OMNICOM GROUP, INC. COMMON 681919106 278 3,800 SH DEFINED 1 X P G & E CORP COMMON 69331C108 669 22,000 SH DEFINED 1 X PEPSICO, INC. COMMON 713448108 1,163 23,900 SH DEFINED 1 X PFIZER, INC. COMMON 717081103 3,063 100,100 SH DEFINED 1 X PNC FINANCIAL SERVICES GROUP COMMON 693475105 444 8,200 SH DEFINED 1 X PRAXAIR INC. COMMON 74005P104 603 14,100 SH DEFINED 1 X PRINCIPAL FINANCIAL GROUP INC COMMON 74251V102 291 8,100 SH DEFINED 1 X PROCTER & GAMBLE CO. COMMON 742718109 2,306 42,600 SH DEFINED 1 X PRUDENTIAL FINANCIAL INC COMMON 744320102 880 18,700 SH DEFINED 1 X QUALCOM COMMON 747525103 882 22,600 SH DEFINED 1 X REGIONS FINANCIAL CORP COMMON 7591EP100 443 13,400 SH DEFINED 1 X SAFEWAY INC COMMON 786514208 292 15,100 SH DEFINED 1 X SBC COMMUNICATIONS INC. COMMON 78387G103 1,762 67,900 SH DEFINED 1 X SCHLUMBERGER, LTD. COMMON 806857108 1,084 16,100 SH DEFINED 1 X SPRINT CORP COMMON 852061100 630 31,300 SH DEFINED 1 X ST JUDE MEDICAL, INC. COMMON 790849103 768 10,200 SH DEFINED 1 X STATE STREET CORP COMMON 857477103 295 6,900 SH DEFINED 1 X T ROWE PRICE GROUP COMMON 74144T108 295 5,800 SH DEFINED 1 X TARGET CORP COMMON 87612E106 1,131 25,000 SH DEFINED 1 X TEXAS INSTRUMENTS, INC. COMMON 882508104 1,115 52,400 SH DEFINED 1 X TIME WARNER INC COMMON 887317105 1,162 72,000 SH DEFINED 1 X TXU CORPORATION (HLDG) COMMON 873168108 455 9,500 SH DEFINED 1 X TYCO INTERNATIONAL LTD COMMON 902124106 2,036 66,400 SH DEFINED 1 X UNITED TECHNOLOGIES CORP. COMMON 913017109 1,195 12,800 SH DEFINED 1 X UNITEDHEALTH GROUP INC COMMON 91324P102 1,143 15,500 SH DEFINED 1 X US AIRWAYS GROUP INC, CLASS A COMMON 911905503 10 12,550 SH DEFINED 1 X VANGUARD GROWTH VIPERs COMMON 922908736 336 7,100 SH DEFINED 1 X VERIZON COMMUNICATIONS COMMON 92343V104 1,733 44,000 SH DEFINED 1 X VIACOM - CLASS B COMMON 925524308 903 26,900 SH DEFINED 1 X VODAFONE AIRTOUCH ADR COMMON FOREIGN 92857W100 395 16,400 SH DEFINED 1 X WALGREEN CO. COMMON 931422109 484 13,500 SH DEFINED 1 X WAL-MART STORES, INC. COMMON 931142103 1,947 36,600 SH DEFINED 1 X WASTE MANAGEMENT INC COMMON 94106L109 714 26,100 SH DEFINED 1 X WELLPOINT HEALTH NETWORKS - A COMMON 94973H108 862 8,200 SH DEFINED 1 X WELLS FARGO & CO COMMON 949746101 596 10,000 SH DEFINED 1 X WILLIAMS COS., INC. COMMON 969457100 583 48,200 SH DEFINED 1 X WYETH COMMON 983024100 1,092 29,200 SH DEFINED 1 X ZIMMER HOLDINGS COMMON 98956P102 451 5,700 SH DEFINED 1 X 3M COMPANY DEBT 88579YAB7 3,650 4,050,000 PRN DEFINED 1 X AFFILIATED MANAGERS DEBT 008252AC2 1,033 1,000,000 PRN DEFINED 1 X ALLERGAN INC DEBT 018490AE2 548 600,000 PRN DEFINED 1 X ALZA CORP. DEBT 02261WAB5 3,172 4,100,000 PRN DEFINED 1 X AMERICA ONLINE DEBT 02364JAC8 5,993 9,400,000 PRN DEFINED 1 X AMERICAN INTERNATIONAL GROUP DEBT 026874AN7 3,343 3,500,000 PRN DEFINED 1 X AMERICAN INTL GROUP DEBT 026874AP2 4,914 7,375,000 PRN DEFINED 1 X AMGEN INC DEBT 031162AE0 2,738 3,750,000 PRN DEFINED 1 X AON CORP DEBT 037389AT0 423 300,000 PRN DEFINED 1 X ARROW ELECTRONIC DEBT 042735AY6 3,710 7,000,000 PRN DEFINED 1 X AXCAN PHARMA INC DEBT 054923AB3 799 600,000 PRN DEFINED 1 X BJ SERVICES CO DEBT 055482AF0 3,921 4,500,000 PRN DEFINED 1 X BRINKER INTERNATIONAL DEBT 109641AC4 1,290 2,000,000 PRN DEFINED 1 X CARNIVAL CORP DEBT 143658AN2 3,007 2,300,000 PRN DEFINED 1 X CARNIVAL CORP DEBT 143658AS1 3,651 4,500,000 PRN DEFINED 1 X CBRL GROUP INC DEBT 12489VAB2 3,079 6,500,000 PRN DEFINED 1 X CENDANT CORP DEBT 151313AN3 6,138 6,100,000 PRN DEFINED 1 X CENTURYTEL INC DEBT 156700AH9 2,208 2,000,000 PRN DEFINED 1 X CHIRON CORP DEBT 170040AG4 2,944 3,000,000 PRN DEFINED 1 X COMPUTER ASSOCIATES INC DEBT 204912AR0 1,160 1,000,000 PRN DEFINED 1 X COSTCO DEBT 22160QAC6 4,725 5,000,000 PRN DEFINED 1 X CSX CORP DEBT 126408GA5 6,328 7,500,000 PRN DEFINED 1 X DEVON ENERGY CORP DEBT 25179MAA1 7,586 7,000,000 PRN DEFINED 1 X DEVON ENERGY CORP. DEBT 25179MAB9 1,084 1,000,000 PRN DEFINED 1 X DIAMOND OFFSHORE DRILL DEBT 25271CAE2 2,989 3,000,000 PRN DEFINED 1 X DOMINION RESOURCES INC DEBT 25746UAP4 4,596 4,500,000 PRN DEFINED 1 X DUKE ENERGY CORP DEBT 264399EJ1 3,195 3,000,000 PRN DEFINED 1 X EASTMAN KODAK CO DEBT 277461BE8 6,300 5,000,000 PRN DEFINED 1 X ELECTRONCIS FOR IMAGING DEBT 286082AA0 1,431 1,500,000 PRN DEFINED 1 X FLUOR CORP DEBT 343412AA0 2,088 2,000,000 PRN DEFINED 1 X GATX CORP DEBT 361448AC7 568 500,000 PRN DEFINED 1 X GENERAL MILLS INC DEBT 370334AU8 1,052 1,500,000 PRN DEFINED 1 X HARRIS CORP DEBT 413875AH8 539 400,000 PRN DEFINED 1 X HCC INSURANCE HOLDINGS DEBT 404132AB8 2,578 2,500,000 PRN DEFINED 1 X HEWLETT PACKARD CO CONV DEBT 428236AC7 3,101 5,500,000 PRN DEFINED 1 X HORACE MANN EDUCATORS DEBT 440327AG9 2,632 5,600,000 PRN DEFINED 1 X INCO LTD DEBT 453258AT2 4,428 3,250,000 PRN DEFINED 1 X INCO LTD. DEBT 453258AM7 3,180 3,000,000 PRN DEFINED 1 X INTL GAME TECHNOLOGY DEBT 459902AL6 4,266 5,400,000 PRN DEFINED 1 X INTL PAPER CO DEBT 460146BM4 6,848 12,450,000 PRN DEFINED 1 X IVAX CORP DEBT 465823AG7 6,435 6,500,000 PRN DEFINED 1 X KERR-MCGEE DEBT 492386AP2 2,138 2,000,000 PRN DEFINED 1 X LEGG MASON INC DEBT 524901AG0 2,570 4,000,000 PRN DEFINED 1 X LEHMAN BROTHERS HOLDINGS DEBT 524908JJ0 4,594 5,000,000 PRN DEFINED 1 X LEHMAN BROTHERS HOLDINGS DEBT 524908LS7 2,102 2,000,000 PRN DEFINED 1 X LIBERTY MEDIA DEBT 530715AR2 3,231 3,565,000 PRN DEFINED 1 X LIBERTY MEDIA / AT&T CORP DEBT 530715AG6 3,002 4,250,000 PRN DEFINED 1 X LIBERTY MEDIA CORP DEBT 530715AN1 2,056 2,250,000 PRN DEFINED 1 X LOCKHEED MARTIN CORP DEBT 539830AP4 5,146 5,000,000 PRN DEFINED 1 X LOWES COMPANIES DEBT 548661CF2 4,050 4,500,000 PRN DEFINED 1 X LOWE'S COMPANIES INC DEBT 548661CG0 6,919 6,750,000 PRN DEFINED 1 X MASCO CORP DEBT 574599AW6 7,313 15,000,000 PRN DEFINED 1 X MEDIMMUNE INC DEBT 584699AE2 3,800 4,000,000 PRN DEFINED 1 X MEDTRONIC INC DEBT 585055AB2 11,583 11,300,000 PRN DEFINED 1 X MERRILL LYNCH & CO DEBT 590188A73 3,778 3,800,000 PRN DEFINED 1 X MORGAN STANLEY DEBT 617446GR4 2,272 2,500,000 PRN DEFINED 1 X ODYSSEY RE HOLDINGS DEBT 67612WAB4 2,353 2,000,000 PRN DEFINED 1 X OMNICOM GROUP DEBT 681919AP1 6,313 6,500,000 PRN DEFINED 1 X PLACER DOME INC DEBT 725906AK7 927 750,000 PRN DEFINED 1 X PMI GROUP INC DEBT 69344MAE1 3,830 3,450,000 PRN DEFINED 1 X PPL ENERGY SUPPLY LLC DEBT 69352JAE7 2,650 2,500,000 PRN DEFINED 1 X RADIAN GROUP INC DEBT 750236AF8 1,504 1,500,000 PRN DEFINED 1 X TEVA PHARMACEUT FIN BV DEBT 88164MAB4 4,768 3,700,000 PRN DEFINED 1 X TEVA PHARMACEUT FIN BV DEBT 88164RAB3 951 1,000,000 PRN DEFINED 1 X TJX COMPANIES DEBT 872540AL3 1,635 2,000,000 PRN DEFINED 1 X TRANSOCEAN SEDCO FOREX DEBT 893830AD1 3,964 4,050,000 PRN DEFINED 1 X TYCO INTL GROUP SA DEBT 902118BF4 8,337 5,950,000 PRN DEFINED 1 X UNIV HEALTH SVCS DEBT 913903AL4 4,466 7,700,000 PRN DEFINED 1 X WALT DISNEY COMPANY DEBT 254687AU0 10,263 10,000,000 PRN DEFINED 1 X WATSON PHARMACEUTICALS DEBT 942683AC7 1,241 1,250,000 PRN DEFINED 1 X WEATHERFORD INT'L DEBT 947074AB6 4,263 6,700,000 PRN DEFINED 1 X WORLD COLOR PRESS, INC., CONVERTIBLE DEBT 981443AA2 1,020 1,000,000 PRN DEFINED 1 X YOUNG & RUBICAM DEBT 987425AC9 3,509 3,500,000 PRN DEFINED 1 X - ------------------------------------------------------------ ----------- "STOCK" 130 127,543 3,524,378 - ------------------------------------------------------------ ----------- DEBT 73 260,208 299,140,000 - ------------------------------------------------------------ ----------- REPORT TOTALS 203 387,751 302,664,378 - ------------------------------------------------------------ -----------