Gasconade County is a county located in the east-central portion of the U.S. state of Missouri. As of the 2010 census, the population was 15,222. The county seat is Hermann. The county was named after the Gasconade River.
According to the U.S. Census Bureau, the county has a total area of 524 square miles (1,360 km), of which 518 square miles (1,340 km) is land and 6.6 square miles (17 km) (1.3%) is water.
As of the census of 2000, there were 15,342 people, 6,171 households, and 4,288 families residing in the county. The population density was 30 people per square mile (11/km²). There were 7,813 housing units at an average density of 15 per square mile (6/km²). The racial makeup of the county was 98.69% White, 0.12% Black or African American, 0.18% Native American, 0.16% Asian, 0.01% Pacific Islander, 0.14% from other races, and 0.70% from two or more races. Approximately 0.42% of the population were Hispanic or Latino of any race.
There were 6,171 households out of which 31.00% had children under the age of 18 living with them, 58.00% were married couples living together, 7.60% had a female householder with no husband present, and 30.50% were non-families. 27.00% of all households were made up of individuals and 14.60% had someone living alone who was 65 years of age or older. The average household size was 2.44 and the average family size was 2.95.
In the county, the population was spread out with 24.80% under the age of 18, 6.90% from 18 to 24, 25.90% from 25 to 44, 23.70% from 45 to 64, and 18.80% who were 65 years of age or older. The median age was 40 years. For every 100 females there were 94.60 males. For every 100 females age 18 and over, there were 92.90 males.
The median income for a household in the county was $35,047, and the median income for a family was $41,518. Males had a median income of $29,659 versus $20,728 for females. The per capita income for the county was $17,319. About 7.00% of families and 9.50% of the population were below the poverty line, including 11.20% of those under age 18 and 10.00% of those age 65 or over.
Gasconade County Missouri neighborhoods include: E Hwy 28 – W Jackson, Historic Gasconade County, Peaceful Valley Lakes