ZIP Codes of Marion County, OR

Population & People
Population & People
Total Population
353,510
Household Income
Household Income
Median Income
$84,291
Housing
Housing
Total Housing Units
133,866
Business & Economy
Business & Economy
Total Businesses
9,274
Employment
Employment
Employment Rate
58.62%
Education
Education
Bachelor's Degree+
26.15%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 32 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:32 ZIP Codes (22 Standard, 6 PO Box, 4 Unique) [See All]
Area Codes:458 / 503 / 541 / 971
Timezone:Pacific (GMT -08:00)
Local Time:11:54:48 PM
Population:353,510 [See All]
FIPS:41047
CBSA:Salem, OR
Land Area:1,430 sq mi
Water Area:13 sq mi
Coordinates:44.9485, -122.8258
Quick Link:
https://www.zip-codes.com/county/or-marion.asp
Need Marion data in your app? Look up ZIP, county, and city data with a single API call.
Try Free
Extreme geographic sprawl
The largest ZIP spans 989× the smallest by area — 398.6 sq mi down to 0.40.
Among Oregon's 5 most populous counties
#5 of 38 counties with 353,510 residents.

Standout ZIPs in this County


Most Populous
Salem · 57,574 people
16.3% of county total
Highest Income
Scotts Mills · $110,758 median
1.3× county average
Largest Land Area
Idanha · 398.6 sq mi
Spans the most ground
Fastest Growth
Turner · 40.8% (10-yr)
4,808 → 6,770 residents
Most Educated
Salem · 43.8% bachelor's+
10,620 of 24,234 adults 25+

Things worth knowing about Marion County


353,510 residents live across 32 ZIPs covering 1,430 sq mi, served by 21 distinct USPS-recognized cities.

Population moved from 323,350 to 352,131 from 2014 to 2024 — a +8.9% change. 18 ZIPs gained residents, 6 lost (and 1 held flat).

The county's wealthiest ZIP 97375 (Scotts Mills, $110,758 median) and poorest ZIP 97301 (Salem, $60,422) are 20.8 miles apart — a 1.8× income gap across local geography.

Median home values vary 1.8× across this county — from $340,800 in 97071 (Woodburn) to $612,900 in 97375 (Scotts Mills).

Density varies 786× across the county — from 10 people/sq mi in 97346 (Gates) to 7,515 in 97310 (Salem).

Educational attainment ranges from 2.1% bachelor's+ in 97310 (Salem) to 43.8% in 97306 (Salem) — the breadth of educational profiles across the area.

Within Oregon, this is the #5 most populous of 38 counties and ranks #10 for median household income with the #13 fastest decade growth .

Hosts 4 single-entity Unique ZIPs: 97310State Government ; 97312State Accident Ins ; 97311Dept Employment ; and 97314Dept Motor Vehicle .

Weighted by population, the typical household earns about $80,041 across the county — reflecting what a typical resident sees, not a simple ZIP average.

26.1% of adults age 25+ hold a bachelor's degree or higher (62,060 of 237,356 reporting). The most-educated ZIPs cluster around Salem.

22 Standard delivery, 6 PO Box only, 4 single-entity Unique ZIPs serve this county.

Stories about Marion County


Single-entity addresses

4 ZIP codes in this county serve a single facility — typically theme parks, universities, large corporations, airports, or government complexes.

State Government
1,379 residents
State Accident Ins
non-residential
Dept Employment
non-residential
Dept Motor Vehicle
non-residential

All ZIP Codes in Marion County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
97301SalemStandard57,574$60,42211.54.7%
97305SalemStandard45,083$66,32647.913.8%
97302SalemStandard40,799$85,83325.47.1%
97303SalemStandard40,659$84,87127.55.0%
97306SalemStandard34,383$101,75333.123.9%
97071WoodburnStandard33,123$70,93854.114.6%
97317SalemStandard25,966$84,39354.52.2%
97381SilvertonStandard15,405$89,383117.42.8%
97383StaytonStandard10,310$78,85353.47.0%
97325AumsvilleStandard7,252$100,05631.12.9%
97392TurnerStandard6,770$109,23741.640.8%
97352JeffersonStandard6,497$107,00049.34.4%
97002AuroraStandard6,358$70,13742.417.5%
97032HubbardStandard5,044$101,25017.41.3%
97362Mount AngelStandard4,110$66,25022.9-3.3%
97026GervaisStandard3,959$90,46130.1-1.0%
97385SublimityStandard3,823$84,79636.415.5%
97310SalemUnique1,3790.2
97375Scotts MillsStandard1,346$110,75857.9-8.9%
97020DonaldStandard1,133$80,7290.432.2%
97346GatesStandard1,017$83,750106.411.6%
97137Saint PaulStandard989$106,48847.1-29.0%
97350IdanhaStandard219$41,875398.631.9%
97342DetroitPO Box173$63,125123.3-32.2%
97373Saint BenedictPO Box1390.0-19.2%
97384MehamaPO Box00.0
97312SalemUnique0.0
97308SalemPO Box0.0
97311SalemUnique0.0
97309SalemPO Box0.0
97314SalemUnique0.0
97307KeizerPO Box0.0

Adjacent & Nearby Counties