As of 2025 the population of Decatur County is 2,718. The population is expected to shrink to 2,644 by 2030 - a growth rate of -0.55%.
The median age of Decatur County residents is 52.
The diversity index of Decatur County is 21.7, meaning that there is a 22% chance that any two people selected out of 100 residents will be of different race or ethnicity from one another.
The average household income in Decatur County is $71,706 and projected to be $78,197 in 2030. Per capita income is $33,112, projected to be $35,846 in 2030. 1.69% of households – 46 – have an income of $200,000 or higher. Average net worth is $661,840 and the average disposable income is $55,954.
There are 1,615 housing units in Decatur County; 977 are owner-occupied, 277 are rented, and 361 are vacant. The average home value is $116,847, with 19 homes built in 2010 or later, and 543 built in 1939 or earlier.
There are 202 businesses in Decatur County, employing 1,099 workers and pulling from a labor force of 1,366 age 16 and above. 250 workers commute into Decatur County from outside the county or state. Key industries for the area include:
949 residents both live and work in/around Decatur County. The average travel time is 0.0 minutes. 30.03% people have a commute of less than 5 minutes while 1.79% commute 90 minutes or more each way. Of commuters, 886 drive alone, 67 carpool, and 49 take public transportation. 75 use other modes of transport such as motorcycle, bicycle, walking, etc. 289 residents work from home.
594 members of the workforce hold a high school diploma or GED. 269 have associates degrees, 462 have bachelor’s degrees, and 129 hold a graduate or professional degree.
Source: ESRI, 2025-10-16
