Note: Overall scores have been added where available. For quartets, that is 1949 on; for choruses, all scores are available from 1953 on.

YearLocationChorus Representative(s)QuartetQuartetQuartetQuartetQuartet
2014Las VegasBloomington (14) – 84.3
Northbrook (18T) – 83.2
The Committee (53) – 72.7
2013TorontoNorthbrook (11) – 82.7
Bloomington (16) – 81.2
After Hours (8) – 85.1Velvet Hammer (47) – 75.1
2012PortlandBloomington (16) – 82.7After Hours (16) – 83.5
2011Kansas CityBloomington (15) – 82.0After Hours (16) – 82.8Off the Record (29) – 78.6Rush Street (37) – 77.5
2010PhiladelphiaNorthbrook (21) – 80.8
Bloomington (24) – 79.3
Off The Record (29) – 79.0
2009AnaheimNorthbrook (15) – 83.9
Bloomington (21) – 79.8
Rush Street (46) – 76.5
2008NashvilleNorthbrook (5) 87.7
Bloomington (21) – 79.1
CWS (22) – 78.6
Voce (22) – 80.5Rush Street (T35) – 78.5
2007DenverNorthbrook (5) 87.7
CWS (23) – 79.5
Rush Street (30) – 78.6Alchemy (31) – 78.4
2006IndianapolisNorthbrook (4) – 89.4
CWS (18) – 79.5
Lake County (24) – 77.5
Alchemy (38) – 77.5
2005Salt Lake CityNorthbrook (3) – 90.8Alchemy (21) – 80.6Lakeside Edition (31) – 78.2
2004LouisvilleNorthbrook (3) – 90.4Alchemy (21) – 78.6
2003MontrealChicagoland West Suburban (19) – 76.2Cheers (6) – 84.8
2002PortlandLake County (16) – 81.8Cheers (11) – 81.8Gangbusters (29) – 76.9
2001NashvilleNorthbrook (1) – 93.7
Lake County (5) – 87.9
Cheers (12) – 82.7Common Ground (21) – 79.5By Popular Demand (44) – 75.0
2000Kansas CityNorthbrook (2) – 93.4
Lake County (3) – 90.0
By Popular Demand (22) – 79.1Sharper Image (30) – 76.7
1999AnaheimNorthbrook (2) – 94.0Sharper Image (22) – 78.7By Popular Demand (26) – 78.1Bravo! (32) – 76.6
1998AtlantaNorthbrook (2) – 92.5Sharper Image (15) – 82.1
1997IndianapolisNorthbrook (2) – 93.8Genuine Craft (15) – 81.4
1996Salt Lake CityNorthbrook (2) – 92.5
Lombard (14) – 81.6
Common Ground (18) – 81.5Chicago Nights (33) – 76.6Renaissance (34) – 76.6
1995MiamiNorthbrook (2) – 90.7
Lombard (13) – 79.5
Common Ground (12) – 79.4Echo Lane (16) – 77.8Renaissance (18) – 76.8Short Term Agreement (44) – 71.1
1994PittsburghNorthbrook (2) – 93.1
Lombard (11) – 82.7
Echo Lane (19) – 79.9Reunited (23) – 76.4Renaissance (29) – 73.8Grand Slam (32) – 73.1
1993CalgaryNorthbrook (2) – 96.1
Lombard (7) – 90.0
Echo Lane (16) – 84.6Classic Ring (24) – 80.1Renaissance (28) – 79.2
1992New OrleansNorthbrook (5) – 92.6
Lombard (6) – 90.5
Piper’s Alley (31) – 79.5Classic Ring (33) – 79.2
1991LouisvilleNorthbrook (4) – 89.7Chordiac Arrest (15) – 81.3Classic Ring (21) – 80.2
1990San FranciscoNorthbrook (3) – 86.3Chicago Chord of Trade (7) – 93.7Chordiac Arrest (9) – 90.8Debut (23) – 84.9
1989Kansas CityNorthbrook (3) – 89.2Chordiac Arrest (5) – 92.3Chicago Chord of Trade (8) – 91.4Debut (19) – 85.5Four Star Revue (37) – 80.3
1988San AntonioNorthbrook (4) – 87.4Chiefs of Staff (1) – 97.7Chicago Chord of Trade (3) – 96.0Chordiac Arrest (5) – 92.8Benchmarks (40) – 79.0
1987HartfordLombard (1) – 90.8Chiefs Of Staff (3) – 94.4Chicago Chord of Trade (5) – 91.9Chordiac Arrest (9) – 89.1
1986Salt Lake CityLombard (2) – 89.9Chiefs of Staff (5) – 92.5Benchmarks (12) – 86.0
1985MinneapolisLombard (2) – 91.4Chiefs of Staff (12) – 82.7Benchmarks (19) – 79.3Chicago Chord of Trade (30) – 74.4
1984St. LouisLombard (2) – 91.6Benchmarks (19) – 83.7Heart of Chicago (21) – 82.1At Ease (24) – 81.3
1983SeattleLombard (3) – 85.5Four Henchmen (11) – 85.4Tin Pan Allies (12) – 85.2Benchmarks (21) – 82.5
1982PittsburghLombard (4) – 77.8Tin Pan Allies (10) – 85.5Friends (15) – 85.3Four Henchmen (18) – 85.3
1981DetroitArlington Heights (8) – 75.8Chicago News (1) – 94.0Friends (13) – 82.8Tin Pan Allies (19) – 80.2Four Penny Opera (20) – 78.3
1980Salt Lake CityArlington Heights (7) – 81.5Chicago News (2) – 93.5Friends (12) – 82.1Four Penny Opera (21) – 77.3
1979MinneapolisArlington Heights (6) – 75.7Grandma’s Boys (1) – 96.3Chicago News (8) – 88.9Chords Unlimited (22) – 75.1Chicago Express (26) – 74.5
1978CincinnatiArlington Heights (7) – 76.8Grandma’s Boys (2) – 93.8Chords Unlimited (16) – 77.3Valley Four-gers (45) – 65.2
1977PhiladelphiaBloomington (10) – 72.6Grandma’s Boys (7) – 91.1Chicago Express (17) – 81.0Valley Four-gers (39) – 69.8
1976San FranciscoArlington Heights (11) – 69.1Grandma’s Boys (6) – 87.6Saturday’s Heroes (8) – 84.3Soundtracks (14) – 81.0Chords Unlimited (19) – 77.9
1975IndianapolisArlington Heights (5) – 75.9Grandma’s Boys (3) – 92.0Soundtracks (6) – 89.1Saturday’s Heroes (13) – 80.8
1974Kansas CityArlington Heights (5) – 75.0Soundtracks (5) – 88.4Grandma’s Boys (10) – 84.7Saturday’s Heroes (11) – 84.3
1973PortlandArlington Heights (5) – 81.2Saturday’s Heroes (8) – 86.5Soundtracks (10) – 84.8Chords Unlimited (15) – 79.7
1972AtlantaLombard (11) – 68.1Soundtracks (6) – 85.6Grandma’s Boys (14) – 82.0Chords Unlimited (27) – 73.8Ideals (39) – 66.8
1971New OrleansLombard (8) – 79.6Sundowners (2) – 97.3Avant Garde (7) – 86.7Grandma’s Boys (10) – 84.3Soundtracks (16) – 80.7
1970Atlantic CityLombard (10) – 78.3Sundowners (2) – 93.2Grandma’s Boys (11) – 80.3Chords Unlimited (31) – 72.5Barbersharps (38) – 68.6
1969St. LouisArlington Heights (9) – 77.3Sundowners (3) – 93.7Avant Garde (5) – 88.9Chords Unlimited (25) – 76.3
1968CincinnatiPekin (1) – 88.7Sundowners (4) – 90.6Avant Garde (5) – 89.4Barbersharps (20) – 73.4
1967Los AngelesPeoria (8) – 73.9Sundowners (4) – 91.4Avant Garde (8) – 85.3Varieties (34) – 65.4
1966ChicagoArlington Heights (7) – 77.0Sundowners (5) – 85.4Varieties (30) – 67.7Barbersharps (33) – 66.0
1965BostonArlington Heights (7) – 79.1Four Renegades (1) – 99.2Imposters (3) – 91.1Tune Tippers (41) – 65.6
1964San AntonioArlington Heights (6) – 81.4Four Renegades (2) – 94.2Imposters (5) – 88.9Four Boot ‘N Aires (40) – 64.3
1963TorontoPekin (1) – 86.5Four Renegades (4) – 96.2Imposters (6) – 93.6Varieties (17) – 84.2
1962Kansas CityPekin (3) – 88.1Four Renegades (4) – 96.5Imperial Four (21) – 79.4Notations (27) – 77.5
1961PhiladelphiaLombard (5) – 83.7Four Renegades (7) – 93.0Imperial Four (36) – 75.0Keytonics (41) – 71.6
1960DallasBloomington (4) – 84.3Four Renegades (9) – 88.7Four Barons (20) – 80.6Imperial Four (35) – 71.8
1959ChicagoPekin Chorus (1) – 94.1Vi-Counts (10) – 86.8Timbre Kings (15) – 86.1Four Barons (31) – 73.4
1958ColumbusPekin (2) – 94.7Timbre Kings (9) – 85.6Escapades (12) – 82.9Four Renegades (13) – 82.8
1957Los AngelesBloomington (3) – 86.5Four Renegades (10) – 85.3Kord Kings (14) – 80.1Heart of Illinois Four (19) – 81.1
1956MinneapolisPekin (4) – 87.2Kord Kings (7) – 87.3Kord Kutters (10) – 84.0Barber-Q-Four (20) – 77.2Melodaires (27) – 72.7
1955MiamiOak Park (4) – 85.8Four-Tissimos (3) – 92.5Air Fours (4) – 89.1Barber-Q-Four (6) – 90.3Kord Kings (8) – 87.9
1954Washington, D.C.Q-Suburban (4) – 90.0
Skokie Valley (6) – 88.1
Barber-Q-Four (8) – 90.2Chicagoans (13) – 84.4Kord Kings (17) – 81.9Lancers (27) – 77.1
1953DetroitQ-Suburban (3) – 83.2Vikings (1) – 99.6Kord Kings (9) – 91.6Chicagoans (15) – 88.5Kord Kutters (20) – 85.6
1952Kansas CityNoneVikings (2) – 96.4Chicagoans (12) – 90.2Keymen (15) – 89.2N.I. Collegiates (29) – 83.9
1951ToledoNoneVillage-Aires (6) – 87.5Vikings (9) – 83.5N.I. Collegiates (18) – 82.6Chicagoans (22) – 79.3Kord Kings (33) – 68.5
1950OmahaNoneVillage-Aires (6) – 75.8Chicagoans (7) – 75.0Vikings (10) – 74.2N.I. Collegiates (18) – 70.3Barber-Q-Four (25) – 65.3
1949BuffaloNoneMid-States Four (1) – 79.8Chicagoans (12) – 64.4Vikings (14) – 62.7Four Flushers (19)Big Towners (22)
1948Oklahoma CityNoneMid-States Four (2)Chordoliers (7)Big Towners (15)Chicagoans (23)Mellow Fellows ? (37)
1947MilwaukeeNoneMid-States Four (3)Chordoliers (4)Big Towners (12)Mellow Men (21)
1946ClevelandNoneChordoliers (4)Gipps-Amberlin Four (19)Mid-States 4 (23)Morgan County Four (24)Smeets Brothers (28)
1945DetroitNoneMisfits (1)Bell & Howell Four (6)Chordoliers (7)Gipps-Amberlin Four (11)
1944DetroitNoneMisfits (2)Gipps-Amberlin Four (4)Harmony Kings (9)Chordoliers (11)Victory 4 Chordsmen (26)
1944Whiz Candy Makers (35)Gipps-Amberlin Antiques (43)Sangamon Electric Co. (54)Four Flats (52)
1943ChicagoNoneFour Harmonizers (1)Harmony Kings (6)Gipps-Amberlin Four (8)Morgan County Four (11)
1943Capitol City Four (23)Whiz Candy Makers (24)Peoria Wolves (43)Antique Four (51)
1942Grand RapidsNoneElastic Four (1)Harmony Kings (4)Misfits (5)Whiz Candy Makers (10)Peoria Wolves (27)
1941St. LouisNoneHarmony Kings (4)Capitol City Four (5)Four Harmonizers (9)Gipps-Amberlin Four (16)Jolly Four (17)
1940New YorkNonePlow City Four (13)
1939TulsaNoneCapitol City Four (2)Rock Island Rockets (17)