US Gazetteer > Oregon Gazetteer > Oregon ZIP Codes > Portland, OR 97231

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Preferred Name, USPS
Portland, OR 97231
Not Acceptable, USPS
Burlington, OR 97231

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ZIP Code 97231 has segments in 3 Counties (Columbia, Multnomah, Washington).

The 97231 ZIP Code is centered1 in Multnomah County at latitude 45.633 and longitude -122.856 (Panoramio Photos). It is a standard type ZIP Code. Multnomah County is in the Pacific Time Zone (UTC -8 hours) and observes daylight savings time.

The population in ZIP Code Tabulation Area (ZCTA) 97231 was 4,252 with 1,816 housing units; a land area land area of 63.16 sq. miles; a water area of 3.98 sq. miles; and a population density of 67.32 people per sq. mile for Census 2000. Demographic Profile

Portland, OR 97231 Map (Marker is ZIP Code Centroid)

Local Search, 97231 ZIP Code| Distance & Driving Directions

Nearby Cities, Towns & Census Designated Places

Folkenberg, OR (< 0.1 mile)
Burlington, OR (1.4 miles NE)
Holbrook, OR (1.9 miles N)
Helvetia, OR (3.9 miles SW)
Linnton, OR (4.1 miles SE)
West Union, OR (4.9 miles SSW)
Bethany, OR (5.3 miles S)
Whitwood Court, OR (5.3 miles SE)
Saint Johns, OR (5.8 miles ESE)
Rockcreek, OR (5.8 miles S)

Nearby Neighborhoods, Subdivisions & Other Small Populated Places

Blurock Landing, WA (5.3 miles ENE)
Somerset West, OR (6 miles S)
Tanasbourne, OR (6.6 miles S)
Chapman Landing, OR (7.9 miles N)
Barnes Heights, OR (8.5 miles SE)
Lakeshore, WA (8.7 miles ENE)
Knapp Landing, WA (8.8 miles NNE)
Officers Row, WA (9.5 miles E)
Saint John, WA (12.6 miles ENE)
Burton Homes, WA (12.6 miles E)

ZIP Codes - Key Concepts

  1. ZIP Codes are categories for grouping mailing addresses and are not exact geographic regions.
  2. The centroid of a ZIP Code may be in one County and the associated city/town in another.
  3. In rural areas, a single ZIP Code may be used for cities and towns in several different Counties.
  4. ZIP Code "areas" can overlap, be subsets of each other, or be artificial constructs with no geographic area.
  5. ZIP Codes are only loosely tied to cities.

1 Keeping the above key concepts in mind, what we informally refer to as the "center" of a ZIP Code is most often actually the centroid of a polygon.