Coors Field opened on April 26, 1995, in Denver’s Lower Downtown (LoDo) neighborhood, becoming the first baseball-only stadium built in the National League since Dodger Stadium in 1962. Designed by HOK Sport (now Populous) at a cost of around $300 million, the brick-and-steel ballpark at 20th and Blake Street gave the Colorado Rockies a permanent home after two seasons at Mile High Stadium.
At 5,200 feet above sea level, Coors Field is by far the highest-elevation park in Major League Baseball. The thin air reduces aerodynamic drag on batted balls, boosting home run and scoring rates compared to sea-level venues—an effect so pronounced that MLB and the Rockies installed a humidor in 2002 to store baseballs at regulated humidity, helping tame some of the park’s extreme offensive numbers.
Stats at a Glance
- Team: Colorado Rockies (MLB, National League West)
- Location: LoDo, Denver, Colorado
- Opened: April 26, 1995
- Capacity: 46,897 (up to 50,144 with standing room)
- Elevation: 5,200 ft (1,585 m) above sea level
- Surface: Kentucky Bluegrass / Perennial Ryegrass
- Architect: HOK Sport (now Populous)
- Notable Fact: Humidor installed 2002 to regulate baseball moisture at altitude
Baseball at Altitude
The thin air at Coors Field is the stadium’s defining characteristic. With roughly 15% less air density than sea-level parks, batted balls experience less drag, and pitches break less sharply—a double-edged environment that has made Coors Field one of the most prolific run-scoring venues in modern baseball history. In 1999, the two teams combined for a single-season record of 303 home runs at the park.
To counteract these effects, the Rockies began storing game balls in a climate-controlled humidor in 2002, keeping them at around 70°F and 50% relative humidity. The moisture adds slight weight and reduces the ball’s coefficient of restitution, partially tempering the altitude advantage. The park also holds the distinction of hosting the only no-hitter ever thrown at Coors Field—accomplished by the Los Angeles Dodgers’ Hideo Nomo on September 17, 1996.
A LoDo Landmark
Coors Field helped transform Denver’s Lower Downtown district from a neglected warehouse zone into a vibrant entertainment hub. The ballpark’s classic red-brick exterior and distinctive clock tower at 20th and Blake Street blend with the surrounding 19th-century architecture, and the field itself sits about 21 feet below street level to minimize the stadium’s visual impact on the neighborhood.
A row of purple seats in row 20 of the upper deck marks the exact one-mile elevation point—a beloved quirk unique to Coors Field. The park hosted the MLB All-Star Game in 1998 and again in 2021, and welcomed the World Series in 2007 when the Rockies earned their first NL pennant. ‘The Rockpile,’ a 2,300-seat bleacher section in deep center field, offers some of the most affordable seats in the majors.
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Coors Field FAQs
Why do home runs happen more often at Coors Field?
Coors Field sits at 5,200 feet above sea level, where the air is roughly 15% less dense than at sea level. Less air resistance means batted balls travel farther, and pitches break less, giving hitters an advantage. Studies estimate the thin air increases run and home run rates by around 50% compared to an average MLB park.
What is the seating capacity of Coors Field?
Coors Field has a standard seating capacity of 46,897. With standing-room areas added (as configured since 2018), the total capacity reaches about 50,144. The all-time attendance record is 51,267, set during the 1998 MLB All-Star Game.
Has Coors Field hosted any major baseball events?
Yes. Coors Field hosted the MLB All-Star Game in 1998 and 2021, and the Colorado Rockies played their first World Series there in 2007 (losing to the Boston Red Sox). The stadium has also hosted NHL outdoor games, including a 2016 Stadium Series hockey game.
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Photo: DimiTalen / CC0, via Wikimedia Commons.