|• Total||0.76 sq mi (2.0 km2)|
|• Land||0.76 sq mi (2.0 km2)|
|• Water||0.00 sq mi (0.0 km2)|
|Elevation||673 ft (205 m)|
|• Density||313.6/sq mi (121.1/km2)|
|GNIS feature ID||0420255|
Vermilion is located at  about 3 miles west of the border with Indiana. A CSX railroad passes from northwest to southeast through the middle of the town on its route between Paris and Terre Haute, Indiana.(39.580343, -87.588492),
According to the 2010 census, the village has a total area of 0.76 square miles (2.0 km2), all land.
As of the census of 2000, there were 239 people, 93 households, and 75 families residing in the village. The population density was 313.6 people per square mile (121.4/km²). There were 105 housing units at an average density of 137.8 per square mile (53.3/km²). The racial makeup of the village was 99.16% White, and 0.84% from two or more races. Hispanic or Latino of any race were 0.42% of the population.
There were 93 households out of which 35.5% had children under the age of 18 living with them, 58.1% were married couples living together, 20.4% had a female householder with no husband present, and 18.3% were non-families. 16.1% of all households were made up of individuals and 8.6% 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 2.84.
In the village the population was spread out with 23.4% under the age of 18, 8.8% from 18 to 24, 28.0% from 25 to 44, 28.5% from 45 to 64, and 11.3% who were 65 years of age or older. The median age was 39 years. For every 100 females there were 92.7 males. For every 100 females age 18 and over, there were 86.7 males.
The median income for a household in the village was $33,750, and the median income for a family was $36,875. Males had a median income of $28,500 versus $16,146 for females. The per capita income for the village was $13,157. About 8.6% of families and 17.3% of the population were below the poverty line, including 18.5% of those under the age of eighteen and 38.9% of those sixty five or over.
- "Vermilion". Geographic Names Information System, U.S. Geological Survey. Retrieved 2010-10-15.
- "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. 2011-02-12. Retrieved 2011-04-23.
- "2010 Census U.S. Gazetteer Files for Places – Illinois". United States Census. Retrieved 2012-10-13.
- "American FactFinder". United States Census Bureau. Retrieved 2008-01-31.