Osage Beach is a city located in both Miller and Camden countries of Missouri, United States. The city is known for being populated by a number of races ranging from African American, Native American, Asian, Hispanic or Latino, and others. The city's total area spans approximately 26.2 square kilometers, where 1.8 square kilometers is occupied by water and the rest (24.3 square kilometers) is made up of land.

The city is situated along the shorelines of the Lake of the Ozarks. According to the 2000 census, the city's population is just around 3,662. Of this statistic, the city has 1,687 households where 19.1% had children aged 18 and below still living with them. There were 51.2% married couples in Osage Beach that were living together, whereas there were just 7.2% of households that had a female without a husband present. After much survey, the average income for a household in the city reached up to $38,448. The median income for a full family was around $49,554 where males usually had an income of $30,444 and females had $21,440.