Columbia County, OR ZIP codes
There are 8 ZIP codes in Columbia County, OR, in 8 towns, from 97016 to 97064. The largest are 97051 (Saint Helens), 97056 (Scappoose) and 97048 (Rainier).
The county seat is St. Helens.
- ZIP codes
- 8
- Towns
- 8
- County seat
- St. Helens
- County FIPS
41009- State
- Oregon
- Population
- 53,493
- Median household income
- $87,458
- Land area
- 659 sq mi
- Metro area
- Portland-Vancouver-Hillsboro
Columbia County ZIP codes by town
- St. Helens (county seat)
- 97051
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.
Map of Columbia County ZIP codes
The ZIP codes of Columbia 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.
Columbia County in numbers
About 53,493 people live in Columbia County, in 20,928 households, the 17th most populous of Oregon's 36 counties. The median household income is $87,458 a year, 5% above the Oregon median of $83,011 (US: $80,734). The median owner-occupied home is valued at $421,600 (12% below the Oregon median), and median gross rent is $1,373 a month. The median age is 43.3; 19.8% of adults 25 and over hold a bachelor's degree or higher (36.8% across Oregon); the average commute takes 32 minutes.
| Population | 53,493 |
|---|---|
| Households | 20,928 |
| Median age | 43.3 |
| Median household income | $87,458 |
| Median home value | $421,600 |
| Median gross rent | $1,373 |
| Bachelor's degree or higher | 19.8% |
| Mean commute | 31.7 min |
| Population density | 81 / 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 Columbia County
| Town | ZIP codes | Population |
|---|---|---|
| St. Helens | 1 | 14,258 |
| Scappoose | 1 | 8,179 |
| Vernonia | 1 | 2,786 |
| Clatskanie | 1 | 2,364 |
| Rainier | 1 | 2,130 |
| Columbia City | 1 | 2,006 |
| Warren | 1 | 1,637 |
| Deer Island | 1 | 199 |
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 Columbia County.
Not sure you are in Columbia County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Columbia County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
97016 | Clatskanie , OR | Standard | 6,573 | $79,375 | $336,000 |
97018 | Columbia City , OR | Standard | 2,006 | $96,750 | $460,000 |
97048 | Rainier , OR | Standard | 7,099 | $77,171 | $368,600 |
97051 | Saint Helens , OR | Standard | 17,347 | $85,869 | $412,100 |
97053 | Warren , OR | Standard | 3,634 | $142,538 | $527,300 |
97054 | Deer Island , OR | Standard | 1,494 | $87,327 | $459,000 |
97056 | Scappoose , OR | Standard | 12,795 | $94,209 | $469,800 |
97064 | Vernonia , OR | Standard | 3,855 | $67,317 | $383,600 |
Cite this page
zipcodes.pro. “Columbia County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/or/county/columbia
Underlying data is public domain or openly licensed — sources, vintages and licences.