Danville is an unincorporated community and census-designated place in Montgomery County, in the U.S. state of Missouri.^[2] As of the 2020 census, it had a population of 28.^[3]

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Danville, Missouri
Census-designated place
Danville Show map of Missouri Danville Show map of the United States
Coordinates: 38°54′45″N 91°31′57″W
Country	United States
State	Missouri
County	Montgomery
Area [1]
• Total	0.38 sq mi (0.99 km2)
• Land	0.38 sq mi (0.98 km2)
• Water	0.01 sq mi (0.01 km2)
Elevation [2]	804 ft (245 m)
Population  (2020)[3]
• Total	28
• Density	74.27/sq mi (28.65/km2)
ZIP Code	63361
FIPS code	29-18190
GNIS feature ID	2587062[2]

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Danville was laid out in 1834 and named after Danville, Virginia, the native home of an early settler.^[4] A post office at Danville was established in 1834, and remained in operation until 1942.^[5] A census-designated place named after the village, and including it, was established in or after 1980, and census-based demographics since that establishment reflect the entire CDP and not just the village proper.

Danville is in western Montgomery County, on the north side of Interstate 70/U.S. Route 40, with access from Exit 170, Missouri Route 161. I-70 leads west 45 miles (72 km) to Columbia and east 80 miles (130 km) to St. Louis, while Route 161 leads north 5 miles (8 km) to Montgomery City. There is a combined gas station-food store-lunch counter-florist shop just off the interstate, an automotive repair shop in the village, and a quarry operation just outside it; and no other businesses or services.

According to the U.S. Census Bureau, the Danville CDP has a total area of 0.38 square miles (0.98 km²), of which 0.006 square miles (0.016 km²), or 1.57%, are water.^[1] The community sits on a ridge which drains north to Rumbo Branch and south to Sallee Branch, both west-flowing tributaries of the Loutre River, part of the Missouri River watershed.