SEATTLE MARINERS ATTENDANCE DATA

Attendance Records for the Seattle Mariners | Baseball Almanac

The Seattle Mariners attendance records for every season and ballpark in franchise history including home game averages (GM AVG), season totals (Season), and a league specific average (AL AVG). Research by Baseball Almanac.

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"It's fun to watch him (Edgar Martinez) hit. If I were a young hitter, I'd sit around the cage and watch him and try to learn from what he does." - Lou Piniella

Seattle Mariners Attendance

1977 - 2023

1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
Kingdome
Kingdome
Kingdome
Kingdome
Kingdome
Kingdome
Kingdome
Kingdome
Kingdome
Kingdome
Kingdome
Kingdome
Kingdome
Kingdome
Kingdome
Kingdome
Kingdome
Kingdome
Kingdome
Kingdome
Kingdome
Kingdome
Kingdome / SAFECO Field
SAFECO Field
SAFECO Field
SAFECO Field
SAFECO Field
SAFECO Field
SAFECO Field
SAFECO Field
SAFECO Field
SAFECO Field
SAFECO Field
SAFECO Field
SAFECO Field
SAFECO Field
SAFECO Field
SAFECO Field
SAFECO Field
SAFECO Field
SAFECO Field
SAFECO Field
SAFECO Field
SAFECO Field
SAFECO Field
SAFECO Field
SAFECO Field
16,525
10,968
10,425
10,260
11,569
13,215
10,044
10,745
13,935
12,704
14,003
12,701
16,030
18,639
26,517
20,387
25,341
19,718
22,665
33,837
39,410
32,938
35,999
35,983
43,362
43,710
40,351
36,305
33,619
30,626
32,992
28,761
27,102
25,749
23,411
21,258
21,747
25,486
27,081
27,099
26,363
28,388
22,122
COVID
15,012
28,238
33,215
1,338,511
877,440
844,447
836,204
636,276
1,070,404
813,537
870,372
1,128,696
1,029,045
1,134,255
1,022,398
1,298,443
1,509,727
2,147,905
1,651,367
2,052,638
1,104,206
1,643,203
2,723,850
3,192,237
2,651,511
2,915,908
3,148,317
3,512,326
3,540,482
3,268,509
2,940,731
2,689,529
2,480,717
2,672,409
2,329,702
2,195,284
2,085,630
1,896,321
1,721,920
1,761,546
2,064,334
2,193,581
2,267,928
2,135,445
2,299,489
1,791,863
COVID
1,215,985
2,287,267
2,690,418
1,402,825
1,466,426
1,597,999
1,563,575
1,004,713
1,648,604
1,713,647
1,711,531
1,752,302
1,798,052
1,948,382
2,035,688
2,132,090
2,166,590
2,294,113
2,268,524
2,380,955
1,728,728
1,811,356
2,122,721
2,234,523
2,298,169
2,286,874
2,262,557
2,346,071
2,207,891
2,191,745
2,340,422
2,360,452
2,458,741
2,527,968
2,464,986
2,305,178
2,289,427
2,333,812
2,384,555
2,306,065
2,299,409
2,323,798
2,336,365
2,290,907
2,161,376
2,039,521
COVID
1,329,362
1,940,281
2,165,777
Seattle Mariners Attendance Analysis | Baseball Attendance
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baseball almanac fast facts

The first one-million fan season was in 1977, when 1,338,511 fans attended games at the Kingdome. The first two-million fan season was in 1991, when 2,147,905 fans attended games at the Kingdome. The first three-million fan season was in 1997, when 3,192,237 fans attended games at the Kingdome.

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Compare these attendance numbers to the yearly performance of the franchise, the finishes, winning percentages, and games behind the leader.