According to theU.S. Census Bureau, the county has a total area of 557 square miles (1,440 km2), of which 544 square miles (1,410 km2) is land and 12 square miles (31 km2) (2.2%) is water.[4] It is located inSouthwest Georgia.
Most of the western portion of Colquitt County, west ofMoultrie andState Route 33, is located in the UpperOchlockonee River sub-basin of the larger Ochlockonee River basin, with the exception of the very northwestern corner of the county, betweenSale City and west ofDoerun, which is located in the LowerFlint River sub-basin of theACF River Basin (Apalachicola-Chattahoochee-Flint River Basin). A narrow central portion of Colquitt County, running from north to south of Moultrie, and then widening to occupy the gap betweenU.S. Route 319 andState Route 133, is located in theWithlacoochee River sub-basin of theSuwannee River basin. The eastern portion of the county is located in theLittle River sub-basin of the same Suwannee River basin.[5]
As of the2020 census, there were 45,898 people, 17,172 households, and 10,663 families residing in the county.[17]
Of the residents, 25.5% were under the age of 18 and 16.7% were 65 years of age or older; the median age was 37.9 years. For every 100 females there were 97.0 males, and for every 100 females age 18 and over there were 93.7 males. 41.9% of residents lived in urban areas and 58.1% lived in rural areas.[18]
There were 17,172 households in the county, of which 33.9% had children under the age of 18 living with them and 31.2% had a female householder with no spouse or partner present. About 27.1% of all households were made up of individuals and 12.5% had someone living alone who was 65 years of age or older.[17]
There were 19,105 housing units, of which 10.1% were vacant. Among occupied housing units, 61.1% were owner-occupied and 38.9% were renter-occupied. The homeowner vacancy rate was 1.2% and the rental vacancy rate was 6.5%.[17]
