Jeffersonville, Illinois
| Geff | |
| Village | |
 Public park and town hall (right)
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| Country | United States |
|---|---|
| State | Illinois |
| County | Wayne |
| Coordinates | 38°26′31″N 88°24′16″W / 38.44194°N 88.40444°WCoordinates: 38°26′31″N 88°24′16″W / 38.44194°N 88.40444°W |
| Area | 1.02 sq mi (3 km2) |
| - land | 1.02 sq mi (3 km2) |
| - water | 0.00 sq mi (0 km2) |
| Population | 366 (2000) |
| Density | 358.8/sq mi (139/km2) |
| Timezone | CST (UTC-6) |
| - summer (DST) | CDT (UTC-5) |
| Postal code | 62842 |
| Area code | 618 |
   Location of Jeffersonville within Illinois
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Jeffersonville is a village in Wayne County, Illinois, United States. The population was 366 at the 2000 census.
Although its official name is Jeffersonville, the village is known locally as Geff, with that spelling appearing on local road signs, the US Post office, and many official documents. "Geff" is pronounced as though it were spelled "Jeff". The name change is said to have been made during the 19th century by the railroad, in order to distinguish the village in Illinois from Jeffersonville, Indiana.
Jeffersonville is located at 38°26′31″N 88°24′16″W / 38.44194°N 88.40444°W (38.442024, -88.404562).
According to the 2010 census, Jeffersonville has a total area of 1.02 square miles (2.64 km2), all land.
As of the census of 2000, there were 366 people, 156 households, and 99 families residing in the village. The population density was 358.8 people per square mile (138.5/km²). There were 171 housing units at an average density of 167.6 per square mile (64.7/km²). The racial makeup of the village was 97.81% White, 1.37% African American, 0.55% Native American, 0.27% from other races. Hispanic or Latino of any race were 2.46% of the population.
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