Bay Springs is a city in and the western county seat of Jasper County, Mississippi, United States. The population was 1,786 at the 2010 census, down from 2,097 at the 2000 census. State highways 15 and 18 intersect at the city. It is part of the Laurel, Mississippi (in Jones County) micropolitan area.
Bay Springs is located in western Jasper County at 31°58′36″N 89°16′46″W / 31.97667°N 89.27944°W / 31.97667; -89.27944 (31.976761, -89.279574). Mississippi Highway 15 (Court Street) passes through the center of town, leading north 27 miles (43 km) to Newton and south 24 miles (39 km) to Laurel. Highway 18 (Fifth Avenue) crosses Highway 15 in the center of town and leads northeast 21 miles (34 km) to Rose Hill and west 15 miles (24 km) to Raleigh.
According to the United States Census Bureau, the city has a total area of 15.0 square miles (38.9 km), of which 14.9 square miles (38.7 km) are land and 0.1 square miles (0.2 km), or 0.42%, are water.
As of the census of 2000, there were 2,097 people, 793 households, and 524 families residing in the city. The population density was 142.0/km² (54.8/mi²). There were 880 housing units at an average density of 59.6 km² (23.0/mi²). The racial makeup of the city was 50.02% White, 49.64% African American, 0.05% from other races, and 0.29% from two or more races. Hispanic or Latino of any race were 0.57% of the population.
There were 793 households out of which 30.5% had children under the age of 18 living with them, 42.9% were married couples living together, 20.3% had a female householder with no husband present, and 33.8% were non-families. 32.5% of all households were made up of individuals and 17.9% had someone living alone who was 65 years of age or older. The average household size was 2.45 and the average family size was 3.13.
In the city, the population was spread out with 24.7% under the age of 18, 8.9% from 18 to 24, 23.1% from 25 to 44, 22.9% from 45 to 64, and 20.4% who were 65 years of age or older. The median age was 40 years. For every 100 females, there were 77.3 males. For every 100 females age 18 and over, there were 75.1 males.
The median income for a household in the city was $22,895, and the median income for a family was $30,938. Males had a median income of $31,806 versus $19,091 for females. The per capita income for the city was $14,199. About 26.0% of families and 28.8% of the population were below the poverty line, including 36.5% of those under age 18 and 33.1% of those age 65 or over.