The city is part of the Deltona–Daytona Beach–Ormond Beach, FL metropolitan statistical area and is named after an early resident, Alvah A. Bunnell, a shingle maker and supplier of wood to the area's fledgling rail industry.

Interstate 95 is 4 miles (6 km) east of the center of Bunnell via SR 100.

Since 2000, Bunnell is the second-largest city in the state of Florida (by area) with the annexation of over 87,000 acres, which equals 136.000 square miles (352.238 km2).

[9] The City of Bunnell is part of the humid subtropical climate zone with a Köppen Climate Classification of "Cfa" (C = mild temperate, f = fully humid, and a = hot summer).

As of the 2020 United States census, there were 3,276 people, 1,072 households, and 592 families residing in the city.

[13] As of the 2010 United States census, there were 2,676 people, 985 households, and 542 families residing in the city.