Elsah is a village in Jersey County, Illinois. As of the 2010 U.S. census, the village had a total population of 673. Cyrus Bunting is the village’s current acting mayor.
Elsah is located at 38°57′13″N 90°21′17″W / 38.95361°N 90.35472°W / 38.95361; -90.35472 (38.953720, -90.354732).
According to the 2010 census, the village has a total area of 1.09 square miles (2.8 km), all land.
As of the census of 2000, there were 635 people, 69 households, and 40 families residing in the village. The population density was 598.1 people per square mile (231.3/km²). There were 102 housing units at an average density of 96.1 per square mile (37.2/km²). The racial makeup of the village was 90.08% White, 4.25% African American, 0.63% Native American, 0.79% Asian, 0.16% Pacific Islander, 1.42% from other races, and 2.68% from two or more races. Hispanic or Latino of any race were 3.31% of the population.
There were 69 households, out of which 23.2% had children under the age of 18 living with them, 49.3% were married couples living together, 8.7% had a female householder with no husband present, and 40.6% were non-families. 40.6% of all households were made up of individuals and 13.0% had someone living alone who was 65 years of age or older. The average household size was 2.04 and the average family size was 2.71.
In the village, the population was spread out with 4.6% under the age of 18, 77.0% from 18 to 24, 6.3% from 25 to 44, 8.0% from 45 to 64, and 4.1% who were 65 years of age or older. The median age was 21 years. For every 100 females, there were 84.1 males. For every 100 females age 18 and over, there were 83.6 males.
The median income for a household in the village was $57,083, and the median income for a family was $60,000. Males had a median income of $47,500 versus $26,964 for females. The per capita income for the village was $13,154. None of the population or families were below the poverty line.