The city is located along U.S. Route 27, Georgia State Route 45, and Georgia State Route 91 in southwestern Georgia. U.S. 27 runs northwest-southeast through the center of town as Crawford Street, leading northwest 21 mi (34 km) to Blakely and southeast 22 mi (35 km) to Bainbridge. GA-45 runs north-south through the city concurrent with U.S. 27 and GA-91, and leads north 9 mi (14 km) to Damascus and southwest 14 mi (23 km) to Iron City. GA-91 also runs north-south through the city as well, and leads northeast 28 mi (45 km) to Newton and southwest 14 mi (23 km) to Donalsonville.
According to the United States Census Bureau, the city has a total area of 8.3 square miles (21 km2), of which 0.04 square miles (0.10 km2), or 0.48%, are water.[2]
Colquitt is home to the Miller County - James W. Merritt, Jr. Memorial Library.[13] The library serves the citizens of Miller County with a collection of print and audiovisual materials. The library is located at 259 E. Main Street in Colquitt.