Benton County Population

1850–2026

8,885

2026 projection

2% since 2020 (increase)

02K4K6K8K10K12K14K186018801900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Benton County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20268,885+20.02%
20258,883+20.02%
20248,881+1071.22%
20238,774+1001.15%
20228,674-100.12%
20218,684-240.28%
20208,708-550.63%
20198,763+860.99%
20188,677+400.46%
20178,637-220.25%

Showing 10 of 32 years.

Benton County Demographics

39.9median age

Median age

Female41.8 yrs
Male38.7 yrs

Adults

6,588
1,512 seniors (65+) · 23% of adults5,076 other adults

Sex

Female 48.9% · 4,275Male 51.1% · 4,460

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 87 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Benton County Income

$65,875median household income

Median household income

$65,875

Half of households earn more, half earn less

Median earnings

$46,625

Typical yearly pay for a worker 25 or older.

Poverty rate

13.9%

About 1 in 7 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Benton County Marital Status

48% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married48%47%49%
Never married26%30%23%
Divorced17%17%17%
Widowed8%5%10%
Separated<1%<1%<1%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201