As of 2026 the population of Benton County is 42,059. The population is expected to grow to 42,409 by 2031 - a growth rate of 0.17%.
The median age of Benton County residents is 38.
The diversity index of Benton County is 31.6, meaning that there is a 32% 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 $91,102 and projected to be $100,436 in 2031. Per capita income is $37,166, projected to be $41,343 in 2031. 2.77% of households – 1,165 – have an income of $200,000 or higher. Average net worth is $819,328 and the average disposable income is $67,665.
There are 17,809 housing units in Benton County; 11,280 are owner-occupied, 5,775 are rented, and 754 are vacant. The average home value is $337,607, with 1,728 homes built in 2010 or later, and 2,011 built in 1939 or earlier.
There are 1,372 businesses in Benton County, employing 20,079 workers and pulling from a labor force of 22,077 age 16 and above. 13,558 workers commute into Benton County from outside the county or state. Key industries for the area include:
8,473 residents both live and work in/around Benton County. The average travel time is 23.2 minutes. 7.07% people have a commute of less than 5 minutes while 5.81% commute 90 minutes or more each way. Of commuters, 17,434 drive alone, 1,482 carpool, and 97 take public transportation. 959 use other modes of transport such as motorcycle, bicycle, walking, etc. 2,098 residents work from home.
8,319 members of the workforce hold a high school diploma or GED. 4,797 have associates degrees, 5,388 have bachelor’s degrees, and 2,125 hold a graduate or professional degree.
Source: ESRI, 2026-08-31
