Macon County is a county located in the northern portion of the U.S. state of Missouri. As of the 2010 census, the population was 15,566. Its county seat is Macon. The county was organized January 6, 1837 and named for Nathaniel Macon, a Revolutionary War hero and North Carolina politician.
According to the U.S. Census Bureau, the county has a total area of 812 square miles (2,100 km), of which 801 square miles (2,070 km) is land and 11 square miles (28 km) (1.4%) is water.
As of the census of 2010, there were 15,556 people, 6,501 households, and 4,381 families residing in the county. The population density was 20 people per square mile (8/km²). There were 7,502 housing units at an average density of 9 per square mile (4/km²). The racial makeup of the county was 96.18% White, 2.21% Black or African American, 0.39% Native American, 0.16% Asian, 0.01% Pacific Islander, 0.22% from other races, and 0.83% from two or more races. Approximately 0.77% of the population were Hispanic or Latino of any race. 22.8% were of German, 21.8% American, 13.9% English and 10.8% Irish ancestry.
There were 6,501 households out of which 29.10% had children under the age of 18 living with them, 55.70% were married couples living together, 8.40% had a female householder with no husband present, and 32.60% were non-families. 29.00% of all households were made up of individuals and 15.00% had someone living alone who was 65 years of age or older. The average household size was 2.38 and the average family size was 2.92.
In the county, the population was spread out with 24.20% under the age of 18, 7.50% from 18 to 24, 25.30% from 25 to 44, 23.90% from 45 to 64, and 19.00% who were 65 years of age or older. The median age was 40 years. For every 100 females there were 95.40 males. For every 100 females age 18 and over, there were 90.50 males.
The median income for a household in the county was $30,195, and the median income for a family was $36,370. Males had a median income of $26,408 versus $18,275 for females. The per capita income for the county was $16,189. About 8.30% of families and 12.50% of the population were below the poverty line, including 15.00% of those under age 18 and 13.10% of those age 65 or over.