As of 2026 the population of Benton County is 20,973. The population is expected to grow to 21,675 by 2031 - a growth rate of 0.66%.
The median age of Benton County residents is 53.
The diversity index of Benton County is 18.0, meaning that there is a 18% 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 Benton County is $77,147 and projected to be $84,429 in 2031. Per capita income is $33,928, projected to be $37,074 in 2031. 1.4% of households – 294 – have an income of $200,000 or higher. Average net worth is $858,785 and the average disposable income is $60,367.
There are 14,385 housing units in Benton County; 7,490 are owner-occupied, 1,709 are rented, and 5,186 are vacant. The average home value is $260,908, with 1,500 homes built in 2010 or later, and 695 built in 1939 or earlier.
There are 651 businesses in Benton County, employing 4,525 workers and pulling from a labor force of 6,796 age 16 and above. 2,595 workers commute into Benton County from outside the county or state. Key industries for the area include:
3,985 residents both live and work in/around Benton County. The average travel time is 31.5 minutes. 9.99% people have a commute of less than 5 minutes while 10.51% commute 90 minutes or more each way. Of commuters, 5,206 drive alone, 849 carpool, and 2 take public transportation. 221 use other modes of transport such as motorcycle, bicycle, walking, etc. 518 residents work from home.
6,626 members of the workforce hold a high school diploma or GED. 1,738 have associates degrees, 1,334 have bachelor’s degrees, and 1,259 hold a graduate or professional degree.
Source: ESRI, 2026-09-09
