Games in the 2020 MLB season were played behind closed doors as a result of the coronavirus (COVID-19) pandemic.
Games in the 2021 MLB season were initially played with limited capacity before being gradually increased to full capacity over the course of the season.
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Regular season average attendance of the Arizona Diamondbacks 2009-2025
The average attendance at Arizona Diamondbacks games in Major League Baseball experienced an overall increase from 2009 to 2025. In 2025, the team's average regular season home attendance amounted to 29,555, up from the previous year's value of 28,912 people.
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ESPN.com. (September 24, 2025). Average regular season home attendance of the Arizona Diamondbacks from 2009 to 2025 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 27, 2026, from /statistics/245016/average-per-game-attendance-of-the-arizona-diamondbacks/
ESPN.com. "Average regular season home attendance of the Arizona Diamondbacks from 2009 to 2025." Chart. September 24, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 27, 2026. /statistics/245016/average-per-game-attendance-of-the-arizona-diamondbacks/
ESPN.com. (2025). Average regular season home attendance of the Arizona Diamondbacks from 2009 to 2025. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 27, 2026. /statistics/245016/average-per-game-attendance-of-the-arizona-diamondbacks/
ESPN.com. "Average Regular Season Home Attendance of The Arizona Diamondbacks from 2009 to 2025." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 24 Sep 2025, /statistics/245016/average-per-game-attendance-of-the-arizona-diamondbacks/
ESPN.com, Average regular season home attendance of the Arizona Diamondbacks from 2009 to 2025 ÌÇÐÄÆƽâ°æ, /statistics/245016/average-per-game-attendance-of-the-arizona-diamondbacks/ (last visited July 27, 2026)
Average regular season home attendance of the Arizona Diamondbacks from 2009 to 2025 [Graph], ESPN.com, September 24, 2025. [Online]. Available: /statistics/245016/average-per-game-attendance-of-the-arizona-diamondbacks/
