County · Oregon

Benton County, Oregon

Benton County, Oregon. Benton County had 97,728 residents in 2025 by the Census Bureau's estimate, up 2.7% since 2020, faster than Oregon (+0.9%). It holds 11 places (5 cities, villages and boroughs and 6 census-designated) and 22 census tracts. GEOID 41003.

Benton County is the county of the Corvallis, OR metropolitan statistical area (the Census Bureau's July 2023 delineation).

Residents, July 2025 estimate

97,728

Census Bureau estimate (no margin published)
2020 Census count: 95,184 · ACS 2020-2024: 96,303

Median household income

$77,702

±$4,029 (90% margin)
Oregon: $83,011

Median home value

$513,000

±$15,520 (90% margin)
Oregon: $477,600

Median gross rent

$1,410

±$43 (90% margin)
Oregon: $1,525

How many people live in Benton County, and is it growing?

The 2020 Census counted 95,184 residents in Benton County. The Census Bureau estimates 97,728 for July 1, 2025, up 2.7% since 2020, faster than Oregon (+0.9%). The 2020-2024 American Community Survey puts the population at 96,303 over 675 square miles of land.

  • July 2020→2021 −590 (93,012)
  • 2021→2022 +4,269 (97,281)
  • 2022→2023 +683 (97,964)
  • 2023→2024 −374 (97,590)
  • 2024→2025 +138 (97,728)
Benton County in Oregon. Boundaries: Census Bureau 2024.
Counts, ACS 2020-2024 5-year estimates, with the change from 2015-2019
MeasureBenton CountyOregonChange since 2015-2019
Total population96,3034,254,293+5,196
Households38,537±4701,718,422+2,819
Average household size2.32±0.032.42−0.07
Housing units40,951±691,857,992+2,552

Benton County's population since 2000

From 78,153 in 2000 to 97,728 in 2025: up 25.0%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.

  • 2000 Census 78,153
  • 2005 (estimate) 80,943
  • 2010 Census 85,579
  • 2015 (estimate) 88,443
  • 2020 Census 95,184
  • 2025 (estimate) 97,728

Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov

What cities and towns are in Benton County?

Benton County holds 11 places: 5 cities, villages and boroughs (incorporated places) and 6 census-designated places. The largest is Corvallis with 61,499 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.

Places in Benton County, ACS 2020-2024 5-year estimates. Ring: estimate with a coefficient of variation over 40%.
Corvalliscity59,92259,960±78$65,012$502,90024.3%100%
Albanycity56,47256,839±47$78,114$389,20013.5%16%
Philomathcity5,3505,642±23$83,672$421,3007.2%100%
Adair Villagecity9941,233±234$99,125$448,4003.6%100%
Monroecity6471,102±301$78,646$348,7004.8%100%
AlseaGEOID 4101800CDP165201±125$39,722$123,4003.0%100%
AlpineGEOID 4101700CDP164240±161$58,333$477,8000.0%100%
BellfountainGEOID 4105700CDP7466±44$52,386not published15.2%100%
SummitGEOID 4170870CDP72134±116not publishednot published0.0%100%
Kings ValleyGEOID 4139350CDP5617±27not publishednot published0.0%100%
BlodgettGEOID 4106950CDP420±13not publishednot published–100%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov

Who lives in Benton County?

The median resident of Benton County is 34.5 years old; 15.7% are under 18 and 18.0% are 65 or older. The largest group is non-Hispanic white residents at 76.2%, then Hispanic or Latino residents (of any race) at 9.4%. 9.9% of residents were born outside the United States.

Age, origin and education, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
MeasureBenton CountyOregonChange since 2015-2019
Median age34.5±0.240.4+1.5
Under 18 years15.7%19.9%–
65 years and over18.0%±0.1 pts19.1%–
Hispanic or Latino (any race)9.4%14.7%+2.0 pts
White alone, not Hispanic76.2%±0.5 pts71.4%−4.0 pts
Black or African American alone, not Hispanic1.1%±0.2 pts1.8%no clear change
Asian alone, not Hispanic6.6%±0.3 pts4.4%−0.5 pts
American Indian and Alaska Native alone, not Hispanic0.4%±0.1 pts0.6%–
Native Hawaiian and Other Pacific Islander alone, not Hispanic0.2%±0.1 pts0.4%–
Two or more races, not Hispanic5.5%±0.5 pts6.1%–
Some other race alone, not Hispanic0.6%±0.3 pts0.6%–
Born outside the United States9.9%±0.7 pts9.8%no clear change
Speak a language other than English at home (age 5+)13.0%±0.9 pts15.2%–
Civilian veterans (age 18+)5.3%±0.4 pts7.2%–
With a disability12.8%±0.8 pts15.5%–
No health insurance coverage4.8%±0.7 pts5.9%no clear change
High school graduate or higher (age 25+)95.4%±0.8 pts91.8%–
Bachelor's degree or higher (age 25+)54.2%±1.7 pts36.8%no clear change
Graduate or professional degree (age 25+)26.2%±1.4 pts14.1%–
Moved from another state in the past year5.6%±0.7 pts3.0%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov

What do households in Benton County earn?

Half of Benton County's 38,537 households earn less than $77,702 a year (±$4,029), against $83,011 in Oregon. In 2015-2019 it was $76,398 in 2024 dollars; the margins of error cannot tell the two periods apart. 18.2% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates
MeasureBenton CountyOregonChange since 2015-2019
Median household income$77,702±$4,029$83,011no clear change
Mean household income$110,290±$4,183$111,542–
Per capita income$45,624±$1,756$45,612+$4,006
People below the poverty line18.2%±1.4 pts11.9%no clear change
Children under 18 below the poverty line13.0%±3.1 pts13.2%no clear change
Households receiving SNAP13.3%±1.4 pts16.0%–
Households with a broadband subscription92.9%±1.2 pts92.4%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What does housing cost in Benton County?

Owners occupy 56.9% of Benton County's occupied homes and renters 43.1%. The median owner-occupied home is valued at $513,000 by its owner (±$15,520). The median renter pays $1,410 a month including utilities, and 55.1% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates
MeasureBenton CountyOregonChange since 2015-2019
Median home value (owner-occupied)$513,000±$15,520$477,600+$105,271
Median gross rent$1,410±$43$1,525+$80
Renters paying 35% or more of income on rent55.1%±3.1 pts43.1%no clear change
Median monthly owner costs, with a mortgage$2,147±$72$2,157–
Owner-occupied homes56.9%±1.4 pts63.3%no clear change
Housing units40,951±691,857,992+2,552
Homeowner vacancy rate0.2%±0.2 pts0.7%–
Rental vacancy rate4.3%±1.8 pts4.2%–
Single-family detached homes58.8%±1.5 pts62.7%–
Mobile homes5.2%±0.7 pts7.1%–
Built 2020 or later2.2%±0.5 pts2.1%–
Built 1939 or earlier8.2%±1.0 pts10.7%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov

How many new homes is Benton County building?

Builders took permits for 484 new housing units across Benton County in 2025 (103 single-family), 5.0 per 1,000 residents.

  • 2019 542 units
  • 2020 302 units
  • 2021 284 units
  • 2022 286 units
  • 2023 404 units
  • 2024 116 units
  • 2025 484 units

Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey

How do people in Benton County get to work?

58.6% of Benton County's workers drive alone and 20.3% work from home. The average trip to work takes 19.6 minutes. The unemployment rate in 2020-2024 averaged 7.0%.

Work and commuting, ACS 2020-2024 5-year estimates
MeasureBenton CountyOregonChange since 2015-2019
In the labor force (age 16+)61.1%±1.5 pts62.3%–
Unemployment rate7.0%±1.0 pts5.4%+1.6 pts
Drove alone to work58.6%±2.0 pts64.5%–
Carpooled7.4%±1.0 pts8.5%–
Public transportation1.4%±0.4 pts2.2%–
Walked7.3%±1.1 pts3.3%–
Worked from home20.3%±1.6 pts19.0%+14.0 pts
Mean travel time to work19.6 min±0.923.0 minno clear change

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What are Benton County's census tracts?

Benton County is divided into 22 census tracts. Among those with a reliable estimate, median household income runs from $15,653 (Tract 106.02) to $140,746 (Tract 101.02).

All 22 census tracts of Benton County, with their figures

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov

How does Benton County compare with Oregon's other counties?

Benton County's rank among Oregon's counties with a reliable estimate (1 = highest)
MeasureRank
Population11th of 36
Growth 2020-202511th of 36
Residents per square mile6th of 36
Median household income10th of 36
Median home value6th of 36
Median gross rent8th of 36
Poverty rate3rd of 36
Bachelor's degree or higher1st of 36
Median age36th of 36

Every county in Oregon

Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections

Not on this page: crime, weather and schools for Benton County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.