|Elevation||689 ft (210 m)|
|Area||0.25 sq mi (1 km2)|
|- land||0.25 sq mi (1 km2)|
|- water||0.00 sq mi (0 km2)|
|Density||2,045.9 / sq mi (790 / km2)|
|Village President||Robert J. Bradford|
|- summer (DST)||CDT (UTC-5)|
|Area code||815 & 779|
|Wikimedia Commons: Saunemin, Illinois|
Saunemin is located at (40.892889, -88.406531).
According to the 2010 census, the village has a total area of 0.25 square miles (0.65 km2), all land.
As of the census of 2000, there were 456 people, 155 households, and 121 families residing in the village. The population density was 2,045.9 people per square mile (800.3/km²). There were 167 housing units at an average density of 749.3 per square mile (293.1/km²). The racial makeup of the village was 99.34% White, 0.22% African American, and 0.44% from two or more races. Hispanic or Latino of any race were 1.75% of the population.
There were 155 households out of which 43.2% had children under the age of 18 living with them, 66.5% were married couples living together, 5.2% had a female householder with no husband present, and 21.9% were non-families. 19.4% of all households were made up of individuals and 9.7% had someone living alone who was 65 years of age or older. The average household size was 2.94 and the average family size was 3.39.
In the village the population was spread out with 33.6% under the age of 18, 7.7% from 18 to 24, 29.6% from 25 to 44, 19.3% from 45 to 64, and 9.9% who were 65 years of age or older. The median age was 32 years. For every 100 females there were 112.1 males. For every 100 females age 18 and over, there were 107.5 males.
The median income for a household in the village was $45,536, and the median income for a family was $46,071. Males had a median income of $35,000 versus $21,591 for females. The per capita income for the village was $15,439. About 5.7% of families and 6.5% of the population were below the poverty line, including 7.3% of those under age 18 and none of those age 65 or over.
 Notable people
- Albert Cashier, born Jennie Irene Hodgers; a women who enlisted in the army during the American Civil War, lived and buried in Saunemin
School scenes from Grandview U.S.A. were shot in and around Saunemin High School, which has since been torn down.
- "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.