Demographics of Benton County, Oregon

Benton County, Oregon had 97,728 people on July 1, 2025, by the Census Bureau’s estimate: +4,126 since July 2020. Age, income, poverty, housing and origin below come from the American Community Survey, averaged over 2020–2024, each with its margin of error.

Benton County, in four figures

97,728
Population: July 1, 2025, Vintage 2025 estimate.; +4.4%
Change since July 2020: +4,126 people.; 34.5 ±0.2
Median age: ACS 2020–⁠2024.; $77,702 ±$4,029
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. Each year's change is births less deaths, net moves from abroad and net moves from elsewhere in the country, with the Bureau's small residual. The 2020 row's components run 3 months, from the April census to July 1.

Benton County, Oregon's population grew 4.4% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Benton County, Oregon's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

U.S. Census Bureau — Census Bureau population estimates — counties and Puerto Rico municipios, with components of change

About this chart

The figures

Benton County, Oregon's population grew 4.4% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Benton County, Oregon's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	93,602	100.0	100.0
2021	93,012	99.4	100.2
2022	97,281	103.9	100.7
2023	97,964	104.7	101.6
2024	97,590	104.3	102.5
2025	97,728	104.4	103.1

3 more columns on a wider screen

Population of Benton County, Oregon on July 1 of each year, Vintage 2025
July 1	Population	Change	Births less deaths	From abroad	From elsewhere in the country
2020	93,602	−1,576	+17	+9	−1,283
2021	93,012	−590	−46	+209	−708
2022	97,281	+4,269	−88	+356	+3,636
2023	97,964	+683	−138	+738	+104
2024	97,590	−374	−191	+739	−941
2025	97,728	+138	−185	+558	−244

Age, 2020–2024

The median age is 34.5 ±0.2: for men 33.0 ±0.4 and for women 36.8 ±0.5. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

2 more columns on a wider screen

People in Benton County by age, ACS 2020–2024
Age	People	Share	Oregon	United States
Under 5	3,401 ±183	3.5% ±0.2	4.9% ±<0.1	5.6% ±<0.1
5 to 17	11,749 ±528	12.2% ±0.5	15.0% ±0.1	16.3% ±<0.1
18 to 24	20,858 ±899	21.7% ±0.9	8.5% ±0.1	9.1% ±<0.1
25 to 44	23,029 ±576	23.9% ±0.6	28.0% ±0.1	26.9% ±<0.1
45 to 64	19,948 ±604	20.7% ±0.6	24.5% ±0.1	24.8% ±<0.1
65 and over	17,318 ±715	18.0% ±0.7	19.1% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $77,702 ±$4,029, and income per person $45,624 ±$1,756, in 2024 dollars. The median is $83,011 ±$573 in Oregon and $80,734 ±$166 in the United States.

Households by income

2 more columns on a wider screen

Households in Benton County by income, ACS 2020–2024
Household income	Households	Share	Oregon	United States
Under $25,000	7,059 ±581	18.3% ±1.5	13.9% ±0.2	14.6% ±<0.1
$25,000 to $49,999	6,088 ±604	15.8% ±1.6	16.2% ±0.3	16.7% ±<0.1
$50,000 to $74,999	5,793 ±556	15.0% ±1.4	15.4% ±0.2	15.5% ±<0.1
$75,000 to $99,999	4,326 ±387	11.2% ±1.0	13.2% ±0.2	12.6% ±<0.1
$100,000 to $149,999	6,629 ±604	17.2% ±1.6	18.5% ±0.2	17.5% ±<0.1
$150,000 to $199,999	3,716 ±418	9.6% ±1.1	10.1% ±0.2	9.6% ±<0.1
$200,000 or more	4,926 ±403	12.8% ±1.0	12.7% ±0.2	13.4% ±0.1

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

2 more columns on a wider screen

Poverty rate in Benton County by age, ACS 2020–2024
Age	Below poverty	Rate	Oregon	United States
All ages	16,361 ±1,286	18.2% ±1.4	11.9% ±0.2	12.5% ±0.1
Under 18	1,946 ±411	13.0% ±2.7	13.2% ±0.4	16.1% ±0.1
18 to 59	12,713 ±996	24.3% ±1.8	12.0% ±0.2	11.6% ±0.1
60 and over	1,702 ±301	7.5% ±1.3	10.8% ±0.3	11.0% ±<0.1

Housing, 2020–2024

1 more column on a wider screen

Housing in Benton County, ACS 2020–2024
Measure	Benton County	Oregon	United States
Housing units	40,951 ±69	1,857,992 ±637	143,775,355 ±10,234
Occupied	94.1% ±1.1	92.5% ±0.2	89.9% ±0.1
Vacant	5.9% ±1.2	7.5% ±0.2	10.1% ±0.1
Owner occupied	56.9% ±1.2	63.3% ±0.4	65.2% ±0.3
Renter occupied	43.1% ±1.5	36.7% ±0.3	34.8% ±0.1
Median home value	$513,000 ±$15,520	$477,600 ±$1,400	$332,700 ±$236
Median gross rent	$1,410 ±$43	$1,525 ±$10	$1,413 ±$2
Median year built	1979 ±1	1981 ±1	1980 ±1

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

2 more columns on a wider screen

People in Benton County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Oregon	United States
Hispanic or Latino	9,031 ±0	9.4% ±<0.1	14.7% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	73,428 ±493	76.2% ±0.5	71.4% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	1,103 ±204	1.1% ±0.2	1.8% ±<0.1	11.9% ±<0.1
Asian alone, not Hispanic	6,365 ±298	6.6% ±0.3	4.4% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	381 ±120	0.4% ±0.1	0.6% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	196 ±79	0.2% ±0.1	0.4% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	550 ±242	0.6% ±0.3	0.6% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	5,249 ±488	5.5% ±0.5	6.1% ±0.1	4.3% ±<0.1

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

2 more columns on a wider screen

People in Benton County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Oregon	United States
Born in the state	41,065 ±1,264	42.6% ±1.3	45.6% ±0.2	57.3% ±<0.1
Born in another state	43,874 ±1,208	45.6% ±1.3	43.2% ±0.2	26.9% ±<0.1
Born a citizen outside the states	1,797 ±386	1.9% ±0.4	1.3% ±0.1	1.7% ±<0.1
Born abroad	9,567 ±710	9.9% ±0.7	9.8% ±0.2	14.1% ±<0.1
Naturalized citizens	3,880 ±502	4.0% ±0.5	4.9% ±0.1	7.4% ±<0.1
Not citizens	5,687 ±684	5.9% ±0.7	5.0% ±0.1	6.8% ±<0.1

Benton County among the counties of Oregon

11th of 36 by population, July 2025. Every one is listed on the Oregon page.

Counties of Oregon near Benton County in population, July 2025
County	July 2025	Change since 2020
Jackson County	221,795	−0.9%
Deschutes County	213,072	+6.8%
Linn County	132,843	+3.0%
Douglas County	111,951	+0.6%
Yamhill County	110,024	+2.2%
Benton County	97,728	+4.4%
Polk County	90,037	+2.3%
Josephine County	87,867	−0.4%
Umatilla County	81,119	+1.5%
Klamath County	70,274	+0.9%
Coos County	63,992	−1.5%

Elsewhere on the site

Sources

Census Bureau population estimates — counties and Puerto Rico municipios, with components of change — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Data retrieved September 25, 2026