Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — STATE/OR/COUNTY/BENTON

Benton County, OR ZIP codes

There are 7 ZIP codes in Benton County, OR, in 4 towns, from 97324 to 97456. The largest are 97330 (Corvallis), 97333 (Corvallis) and 97370 (Philomath). 1 more crosses into it from a neighbouring county: 97326.

The county seat is Corvallis.

ZIP codes
7
Partly in it
1 more
Towns
4
County seat
Corvallis
County FIPS
41003
State
Oregon
Population
96,303
Median household income
$77,702
Land area
675 sq mi
Area codes
458, 541
Metro area
Corvallis

Benton County ZIP codes by town

Corvallis (county seat)
97330, 97331, 97333, 97339

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

ZIP codes partly in Benton County

This ZIP code lies mostly in a neighbouring county but covers a twentieth or more of Benton County.

Map of Benton County ZIP codes

The ZIP codes of Benton County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Benton County in numbers

About 96,303 people live in Benton County, in 38,537 households, the 11th most populous of Oregon's 36 counties. The median household income is $77,702 a year, 6% below the Oregon median of $83,011 (US: $80,734). The median owner-occupied home is valued at $513,000 (7% above the Oregon median), and median gross rent is $1,410 a month. The median age is 34.5; 54.2% of adults 25 and over hold a bachelor's degree or higher (36.8% across Oregon); the average commute takes 20 minutes.

Population96,303Benton96,303
Households38,537Benton38,537
Median age34.5Benton34.5Oregon40.4US 38.9
Median household income$77,702Benton$77,702Oregon$83,011US $80,734
Median home value$513,000Benton$513,000Oregon$477,600US $332,700
Median gross rent$1,410Benton$1,410Oregon$1,525US $1,413
Bachelor's degree or higher54.2%Benton54.2%Oregon36.8%US 35.7%
Mean commute19.6 minBenton19.6 minOregon23.0 minUS 26.4 min
Population density143 / sq miBenton143 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.

Largest towns in Benton County

Largest towns in Benton County
TownZIP codesPopulation
Corvallis 4 59,960
Philomath 1 5,642
Monroe 1 1,102
Alsea 1 201

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Neighbouring counties

Counties that share a ZIP code with Benton County.

Not sure you are in Benton County? What county am I in? answers from your location, near a county line included.

Every ZIP code in Benton County, with figures

ZIP codes in Benton County
ZIP City Type Population Median income Median home
97324 Alsea , OR Standard 1,470 $67,891 $397,400
97330 Corvallis , OR Standard 43,878 $70,742 $526,800
97331 Corvallis , OR Standard 3,693 — —
97333 Corvallis , OR Standard 23,934 $65,191 $511,100
97339 Corvallis , OR No street area — — —
97370 Philomath , OR Standard 9,521 $88,091 $463,200
97456 Monroe , OR Standard 3,422 $71,111 $407,700

Cite this page

zipcodes.pro. “Benton County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/or/county/benton

Underlying data is public domain or openly licensed — sources, vintages and licences.