• county
  • FIPS 41003
  • Largest town: Corvallis

Benton County, Oregon

Benton County had 98,899 residents in the Census Vintage 2024 estimate, on 675.2 square miles of land. It ranks 11th of 36 in Oregon by population and 33rd by land area.

Population
98,899
#11 of 36 in Oregon · #627 in US
Area
675.2 sq mi
#33 of 36 in Oregon · #1,393 in US
Density
146 / sq mi
#6 of 36 in Oregon · #706 in US
Median household income
$74,800
#10 of 36 in Oregon · #678 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

Benton County within Oregon. Pin: Salem.

Measure from here

Tools and pages that start from Benton County

Benton County population, land area and income

Benton County had 98,899 residents in the Census Vintage 2024 estimate, on 675.2 square miles of land. It ranks 11th of 36 in Oregon by population and 33rd by land area. That works out to 146.5 people per square mile, 1.5 times the US average of 96.3, and in the top quarter nationally.

The median county-equivalent in Oregon has 46,128 residents, so Benton County is 2.1 times that size.

Its SAIPE 2023 median household income of $74,800 is in the top quarter among 3,143 counties with an estimate.

National rank among 3,144

Population

98,899

3144th1st

627th of 3,144 (US)

Land area

675 sq mi

3144th1st

1393rd of 3,144 (US)

Density

146.5 / sq mi

3144th1st

706th of 3,144 (US)

Median household income

$74,800

3143rd1st

678th of 3,143 (US)

Rank within Oregon (36)

Population

98,899

36th1st

11th of 36 (OR)

Land area

675 sq mi

36th1st

33rd of 36 (OR)

Density

146.5 / sq mi

36th1st

6th of 36 (OR)

Median household income

$74,800

36th1st

10th of 36 (OR)

How Benton County's population changed since 2020

Benton County gained 5,284 residents between the July 2020 and July 2024 estimates, a rise of 5.6%. That ranks 4th of 36 in Oregon for growth. The median Oregon county changed by +0.8%, and the state as a whole by +0.7%.

Since the April 2020 estimates base, Benton County recorded 2,711 births and 2,819 deaths, a natural change of -108. Net international migration added +3,132 and net domestic migration, people moving to or from other US counties, came to +737. The largest single component was international migration, which added 3,132 people.

93.6k202093.0k202197.4k202298.6k202398.9k2024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
2,711
Deaths
2,819
Net international migration
+3,132
Net domestic migration
+737
Change, July 2023 to July 2024
+333

Where Benton County is

The Census internal point of Benton County is at 44.493900, -123.424700. It sits in UTM zone 10N. The map shades Oregon's 36 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Benton County outlined. Dots are towns of 1,000+ people with residents in it.

Grant County: -1.9%Sherman County: +6.9%Wasco County: -0.4%Gilliam County: -2.2%Columbia County: +2.6%Baker County: +0.1%Hood River County: -0.6%Wheeler County: -0.2%Josephine County: +0.1%Crook County: +9.7%Curry County: -3.2%Coos County: -1.0%Jackson County: -1.1%Clackamas County: +0.8%Multnomah County: -2.5%Harney County: -1.4%Union County: -0.4%Wallowa County: +1.6%Lincoln County: +1.4%Yamhill County: +2.9%Klamath County: +1.2%Malheur County: +2.1%Jefferson County: +3.9%Washington County: +1.7%Lane County: -0.5%Umatilla County: +0.7%Lake County: +0.2%Douglas County: +0.9%Clatsop County: -0.3%Deschutes County: +6.0%Morrow County: +1.1%Tillamook County: -0.7%Marion County: +1.9%Polk County: +2.9%Linn County: +2.7%Benton County: +5.6%
Change 2020 to 2024
  1. < -0.7%
  2. < +0.1%
  3. < +1.2%
  4. < +2.7%
  5. ≥ +2.7%
no data

Orange pin: Benton County internal point. Dark pin: Salem.

Internal point

Decimal
44.493900, -123.424700
DMS
44°29'38.04"N 123°25'28.92"W
UTM
10N 466233.8E 4926819.3N
Geohash
9rbjp7ugu
Plus code
84PRFHVG+H4

Towns in Benton County

4 incorporated places of 1,000+ people have residents in Benton County, 78,191 people together, or 79% of the county. Each figure counts only the part of the town inside Benton County; towns marked "part" extend into another county. The largest is Corvallis with 61,993.

  1. 01Corvallis61,993
  2. 02Albany (part)9,375
  3. 03Philomath5,795
  4. 04Adair Village1,028
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Benton County

The Census 2024 county adjacency file lists 4 neighbors for Benton County. The most populous is Lane County, OR, with 382,396 residents. Distances run between Census internal points in a straight line.

Distance to Salem and the nearest big city

Salem is 36.3 miles NNE of Benton County's internal point in a straight line. The nearest place of 100,000 or more is Eugene, OR (population 178,786), 33.8 miles away. The nearest place of 10,000 or more is Corvallis, OR (population 61,993), 8.9 miles away.

Benton County FIPS code

The FIPS code of Benton County is 41003: state code 41 for Oregon plus county code 003. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $74,800.

Questions people ask

What is the population of Benton County, Oregon?

The Census Vintage 2024 estimate for July 1, 2024 is 98,899. That is up 5,284 people (5.6%) from the July 2020 estimate of 93,615.

What is the FIPS code of Benton County?

41003. The first two digits (41) are Oregon; the last three (003) identify the county.

What is the largest town in Benton County?

Corvallis, with 61,993 residents inside Benton County in 2024.

Which counties border Benton County?

4 county-equivalents border it in the Census 2024 adjacency file: Lane County, OR; Linn County, OR; Polk County, OR; Lincoln County, OR.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.