ZIP Codes of Benton County, OR

Population & People
Population & People
Total Population
86,677
Household Income
Household Income
Median Income
$78,276
Housing
Housing
Total Housing Units
37,411
Business & Economy
Business & Economy
Total Businesses
2,089
Employment
Employment
Employment Rate
56.40%
Education
Education
Bachelor's Degree+
55.08%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 8 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:8 ZIP Codes (7 Standard, 1 PO Box, 0 Unique) [See All]
Area Codes:458 / 541
Timezone:Pacific (GMT -08:00)
Local Time:2:13:27 PM
Population:86,677 [See All]
FIPS:41003
CBSA:Corvallis, OR
Land Area:864 sq mi
Water Area:3 sq mi
Coordinates:44.5263, -123.3815
Quick Link:
https://www.zip-codes.com/county/or-benton.asp
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Oregon's most-educated county
55.1% of adults 25+ have a bachelor's degree+.
Extreme geographic sprawl
The largest ZIP spans 360× the smallest by area — 208.7 sq mi down to 0.58.
Striking education divide
Bachelor's share spans 17.5% to 59.4% — a 42-point gap.
Among Oregon's 5 most renter-heavy counties
45.6% of homes rented — #3 statewide.

Standout ZIPs in this County


Most Populous
Corvallis · 43,878 people
50.6% of county total
Highest Income
Blodgett · $106,628 median
1.4× county average
Largest Land Area
Alsea · 208.7 sq mi
Spans the most ground
Fastest Growth
Corvallis · 50.8% (10-yr)
2,449 → 3,693 residents
Most Educated
Corvallis · 59.4% bachelor's+
16,742 of 28,182 adults 25+

Things worth knowing about Benton County


86,677 residents live across 8 ZIPs covering 864 sq mi, served by 5 distinct USPS-recognized cities.

Population moved from 78,604 to 86,677 from 2014 to 2024 — a +10.3% change. 6 ZIPs gained residents, 1 lost.

The county's wealthiest ZIP 97326 (Blodgett, $106,628 median) and poorest ZIP 97333 (Corvallis, $65,191) are 16.8 miles apart — a 1.6× income gap across local geography.

Median home values vary 1.5× across this county — from $349,300 in 97326 (Blodgett) to $526,800 in 97330 (Corvallis).

Density varies 1443× across the county — from 4 people/sq mi in 97326 (Blodgett) to 6,369 in 97331 (Corvallis).

Educational attainment ranges from 17.5% bachelor's+ in 97324 (Alsea) to 59.4% in 97330 (Corvallis) — the breadth of educational profiles across the area.

Within Oregon, this is the #13 most populous of 38 counties and ranks #14 for median household income with the #9 fastest decade growth .

Weighted by population, the typical household earns about $71,424 across the county — reflecting what a typical resident sees, not a simple ZIP average.

55.1% of adults age 25+ hold a bachelor's degree or higher (29,359 of 53,299 reporting). The most-educated ZIPs cluster around Corvallis.

7 Standard delivery, 1 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Benton County


Higher-education hub

1 ZIP in this county where more than 60% of adults 25+ hold a bachelor's degree — typically college campuses, research enclaves, or tech corridors.

Corvallis
62.2%
3,693 residents

All ZIP Codes in Benton County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
97330CorvallisStandard43,878$70,74274.74.5%
97333CorvallisStandard23,934$65,191113.514.7%
97370PhilomathStandard9,521$88,091191.418.7%
97331CorvallisStandard3,6930.650.8%
97456MonroeStandard3,422$71,111103.29.7%
97324AlseaStandard1,470$67,891208.724.7%
97326BlodgettStandard759$106,628172.0-22.9%
97339CorvallisPO Box0.0

Adjacent & Nearby Counties