Kingston is an unincorporated community and census-designated place in Beverly and Richfield Townships, Adams County, Illinois, United States. Kingston is located along Illinois Route 104 southeast of Liberty.

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Kingston, Illinois
Unincorporated community
Kingston, Illinois Show map of Illinois Kingston, Illinois Show map of the United States
Coordinates: 39°49′00″N 91°01′40″W
Country	United States
State	Illinois
County	Adams
Area [1]
• Total	0.21 sq mi (0.55 km2)
• Land	0.21 sq mi (0.55 km2)
• Water	0.00 sq mi (0.00 km2)
Elevation	810 ft (250 m)
Population  (2020)
• Total	20
• Density	93.90/sq mi (36.28/km2)
Time zone	UTC-6 (Central (CST))
• Summer (DST)	UTC-5 (CDT)
Area code	217
FIPS code	17-40052
GNIS feature ID	411517[2]

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A post office called Kingston was established in 1836.^[3] The community has the name of James King, a first settler.^[4]

Kingston is located at 39°49′10″N 91°01′37″W. According to the 2021 census gazetteer files, Kingston has a total area of 0.21 square miles (0.54 km²), all land.^[5]

As of the 2020 census^[6] there were 20 people, 42 households, and 33 families residing in the CDP. The population density was 93.90 inhabitants per square mile (36.25/km²). There were 9 housing units at an average density of 42.25 per square mile (16.31/km²). The racial makeup of the CDP was 95.00% White and 5.00% from two or more races.