Peachtree City is the largest city in Fayette County, Georgia, United States. As of the 2020 census, it had a population of 38,244. Peachtree City is located in southern Metro Atlanta.

Golf carts are widely used in the city. Over 10,000 households in the city own golf carts, and most areas of the city can be reached via more than 90 miles (140 km) of golf cart paths.

The area was first settled by first settled by Woodland Era indigenous people.

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• In 1957, Flat Creek was dammed to create Lake Peachtree.
• In 1959, Joel Cowan established the city's network of golf cart paths.
• In 2001, the city was designated a "Tree City USA" by the Arbor Day Foundation.
• In 2013, the 650-acre (2.6 km) Lake McIntosh opened for public use.

Peachtree City is located in western Fayette County in the southern Atlanta metro area. It is bordered to the west by Coweta County and to the north by the Town of Tyrone. It is crossed by Georgia State Route 74 and Georgia State Route 54. SR 74, the Joel Cowan Parkway, runs through the west side of Peachtree City.

According to the U.S. Census Bureau, Peachtree City has a total area of 25.4 square miles (65.9 km), of which 24.6 square miles (63.6 km) is land and 0.93 square miles (2.4 km), or 3.57%, is water. The city is in the watershed of Line Creek, which forms the western city boundary and county line, and is a south-flowing tributary of the Flint River.

Peachtree City has three lakes. Lake Kedron to the north is a reservoir that supplies Lake Peachtree to the south via Flat Creek. Lake Kedron is owned by the Fayette County Authority, and is managed so as to keep Lake Peachtree full whenever there is a lack of rain and still allow for recreational use of the lake during droughts. Lake Kedron is not afforded any recreational use except for fishing. Lake McIntosh, the newest lake, close to Planterra, has now reached full pool.

Historical population

Census	Pop.	Note	%±
1970	793		—
1980	6,429		710.7%
1990	19,027		196.0%
2000	31,580		66.0%
2010	34,364		8.8%
2020	38,244		11.3%
U.S. Decennial Census

Peachtree City racial composition

Race	Num.	Perc.
White	29,639	77.5%
Hispanic or Latino	3,059	8.0%
Asian	3,397	7.7%
Black or African American	2,485	6.5%
Native American	40	0.1%
Pacific Islander	191	0.5%
Other/mixed	2,332	6.1%

As of the 2020 United States census, there were 38,244 people, 13,416 households, and 9,808 families residing in the city.

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• Cooper Lighting Solutions – formerly Eaton Corp – Lighting Division or Cooper Industries is headquartered in Peachtree City, and was acquired by Signify N.V. on March 2, 2020.
• Hoshizaki America, Inc. has its corporate headquarters and a warehousing and manufacturing facility in Peachtree City and employs over 700 people throughout the United States. It is a major supplier of Ice Machines /icemakers, Refrigerated Display Cases, Dispensers, Prep Tables, Commercial Refrigerators and Freezer for foodservice, hotels, restaurants, hospitals & nursing homes, schools and convenience stores.
• Panasonic Automotive Systems Company of America (PASA) has its main operations based in Peachtree City and is the largest employer in the city. It is a major supplier of automotive audio, video and navigation systems for Honda (including its Acura luxury division), Ford (Sync 3), Nissan, General Motors, Toyota and Subaru.
• The National Weather Service has an office in the city, serving most of Georgia's northern two-thirds. It is the only NWS office in the state of Georgia.
• Gallopade International, Inc. has its corporate headquarters, printing and warehousing facility in Peachtree City. The company publishes more than 15,000 educational products for children and adults, including the Carole Marsh series and complete school curriculums.

Other large employers in Peachtree City's industrial park include:

• Sany, a Chinese multinational heavy machinery manufacturer
• Osmose Utilities Services, Inc., a leading service provider safeguarding North American utility infrastructure
• TDK Corporation, a media storage device manufacturer

The Peachtree City MOBA of the Premier Development League was founded in 2016. The club plays out of MOBA Soccer Stadium at MOBA Soccer Academy.

The Peachtree City Lazers soccer club has produced many elite soccer players. Lazer Kelly O'Hara went on to play for Stars Mill, Stanford, The Olympics, and in at least three World Cups.

As of 2022, the mayor of Peachtree City is Kim Learnard. Council members include Laura Johnson, Suzanne Brown, Clint Holland, and Frank Destadio.

Universities in the city are:

• Clayton State University – This facility is at the north end of Peachtree Pkwy in Peachtree City. It offers dual-credit enrollment program for high school students. Fayette has an instructional site with undergraduate degrees in business, psychology, integrative studies, administrative management, and technology management, and an MBA program with a concentration in logistics and supply chain management.
• Point University (formerly Atlanta Christian College) – This campus offers the Access program for adult learners and the dual-credit enrollment program for high school students.

Peachtree City is served by the Fayette County School System. Schools located in Peachtree City include:

Private schools located in Peachtree City include Landmark Christian School (grades 1–5).

Lifetime's Drop Dead Diva was filmed in Peachtree City and surrounding areas of Fayette and Coweta County. With Raleigh Studios in nearby Senoia, Peachtree City has often been the backdrop for episodes of other series, such as The Walking Dead. Scenes from the film Joyful Noise were shot there as well.

The 2019 film Greener Grass was filmed here and the city's unique transport life features heavily. The film's setting is a fantastical location and not the real Peachtree City.

For the production of Megalopolis, Francis Ford Coppola purchased a drive-in Days Inn motel located in Peachtree City for $4.35 million to reside in and accommodate the crew and his extended family. The building was later opened to the public on July 5, 2024, as the All-Movie Hotel. Memorabilia from Coppola's previous films is displayed throughout the hotel.

Peachtree City has a system of golf cart paths which spider across the town and provide a secondary means of access to almost any destination within city limits. These multi-use paths stretch for more than 90 miles (140 km) throughout the city. Many places of business have specially designated golf cart parking spaces. The Peachtree City Police Department has several golf carts used to patrol along these paths.

Over 10,000 households own a golf cart, and use them as an extra vehicle for local transportation. Children aged twelve to fifteen may operate a cart on Peachtree City cart paths with a parent, grandparent or other guardian in the front seat. Those who are fifteen or older, with either a valid Georgia learner's permit or a full driver's license, are allowed to operate golf carts alone. Students at McIntosh High School are encouraged to drive family golf carts to school because of limited car parking. In 2015, Starr's Mill High School opened a golf-cart specific lot. The golf cart paths are also used by cyclists, joggers, and pedestrians as a safer alternative to the side of the road. In February 2003, Golf Digest magazine discussed the traffic congestion caused by the use of golf carts in the city.

Atlanta Regional Airport, also known as Falcon Field, is a general aviation airport that provides chartered air service. Since 1987, it has grown from having about 60 aircraft based at the airport to about 165. The runway is 5,220 feet (1,590 m) long and holds up to 60,000 pounds (27,000 kg) of aircraft. It mainly serves Peachtree City's business residents, but also serves as a place of entertainment for people interested. There is a viewing area provided for the public to watch aircraft take-off and land. The airport hosts many events throughout the year, including the Great Georgia Air Show. The airport is the location of a National Weather Service radar station, Southeast River Forecast Center, and Weather Forecast Office, which serves 96 counties in northern and central Georgia.

Hartsfield-Jackson Atlanta International Airport provides commercial service and is located 25 miles (40 km) northeast of Peachtree City via Georgia State Route 74 and Interstate 85.

Peachtree City was designated a foreign-trade zone by the U.S. Customs Service. In the U.S., a foreign-trade zone is a site in or near a U.S. Customs port of entry (in this case Hartsfield–Jackson Atlanta International Airport), designated free of customs entry procedures.

• Johnny Grunge, professional wrestler
• Sherrilyn Kenyon, #1 New York Times bestselling author
• Kelley O'Hara, USWNT player
• Reed Sorenson, NASCAR driver
• Travis Van Winkle, actor
• Stela Cole, singer-songwriter
• Rutledge Wood, TV Host

• Peachtree City official website