East Gillespie is a village in Macoupin County, Illinois, United States. As of the 2020 census, the village had a population of 269.

East Gillespie is located in southeastern Macoupin County at 39°8′14″N 89°48′53″W / 39.13722°N 89.81472°W / 39.13722; -89.81472 (39.137337, −89.814663). It is bordered to the south by the city of Gillespie. Illinois Route 4 runs through the village, leading north 11 miles (18 km) to Carlinville, the Macoupin county seat, and south 9 miles (14 km) to Staunton. Illinois Route 16 runs through the southeast part of the village, leading northeast 9 miles (14 km) to Litchfield and west through Gillespie 29 miles (47 km) to Jerseyville.

According to the U.S. Census Bureau, East Gillespie has a total area of 0.32 square miles (0.83 km), all land.

Historical population

Census	Pop.	Note	%±
1940	278		—
1950	224		−19.4%
1960	208		−7.1%
1970	187		−10.1%
1980	197		5.3%
1990	205		4.1%
2000	234		14.1%
2010	270		15.4%
2020	269		−0.4%
U.S. Decennial Census

As of the census of 2000, there were 234 people, 91 households, and 65 families residing in the village. The population density was 735.9 inhabitants per square mile (284.1/km). There were 97 housing units at an average density of 305.1 per square mile (117.8/km). The racial makeup of the village was 98.72% White, 0.43% African American, 0.43% Pacific Islander, and 0.43% from two or more races. Hispanic or Latino of any race were 0.43% of the population.

There were 91 households, out of which 26.4% had children under the age of 18 living with them, 62.6% were married couples living together, 7.7% had a female householder with no husband present, and 27.5% were non-families. 23.1% of all households were made up of individuals, and 11.0% had someone living alone who was 65 years of age or older. The average household size was 2.57 and the average family size was 3.09.

In the village, the population was spread out, with 23.1% under the age of 18, 9.4% from 18 to 24, 22.6% from 25 to 44, 28.2% from 45 to 64, and 16.7% who were 65 years of age or older. The median age was 40 years. For every 100 females, there were 108.9 males. For every 100 females age 18 and over, there were 102.2 males.

The median income for a household in the village was $35,000, and the median income for a family was $36,500. Males had a median income of $31,875 versus $21,875 for females. The per capita income for the village was $20,628. About 3.2% of families and 5.3% of the population were below the poverty line, including 6.3% of those under the age of eighteen and 6.7% of those 65 or over.