ZIP code · Columbia City · Oregon · United States

ZIP code 97018 — Columbia City

ZIP code 97018 serves Columbia City, Oregon.

Postal code
97018
Single source Value from one source, not cross-checked.
City
Columbia City
County
Columbia FIPS 41009
State
Oregon
Country
United States
Coordinates
45.8925, -122.8122 — precision precise (locality)
View on OpenStreetMap
Population
1,806 (ZCTA, ACS 5-year)
Population density
2,196 / sq mi
Land area
0.8 sq mi (2.1 km²) (ZCTA, ACS 5-year)
Median household income
$100,912
Per-capita income
$41,584
Median age
49.9
Households
723
Housing units
758
Median home value
$441,700
Median gross rent
$1,467 / month
Congressional district
OR-1 (119th Congress)
USDA hardiness zone
8b (15 to 20 °F)
Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
Time zone
America/Los_Angeles (UTC−8 / UTC−7 DST)
Area codes
971, 503 (from the nearest rate centre)
Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.

Climate — monthly normals

Warmest month Aug (avg high 79°F), coldest Jan (avg low 33°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F434753596772797974614942
Avg low °F333336404650555552453833

NOAA 1991–2020 climate normals from the nearest station: SAINT HELENS RFD (4.2 mi) · NOAA NCEI

Places in ZIP 97018

Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology

About this page

US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.

GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page