| ZIP Codes: | 27 ZIP Codes (24 Standard, 3 PO Box, 0 Unique) [See All] |
| Area Codes: | 503 / 971 |
| Timezone: | Pacific (GMT -08:00) |
| Local Time: | 2:13:27 PM |
| Population: | 416,428 [See All] |
| FIPS: | 41005 |
| CBSA: | Portland-Vancouver-Hillsboro, OR-WA |
| Land Area: | 1,543 sq mi |
| Water Area: | 9 sq mi |
| Coordinates: | 45.3308, -122.4261 |
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416,428 residents live across 27 ZIPs covering 1,543 sq mi, served by 23 distinct USPS-recognized cities.
Population moved from 379,175 to 416,428 from 2014 to 2024 — a +9.8% change. 18 ZIPs gained residents, 6 lost.
The county's wealthiest ZIP 97068 (West Linn, $151,729 median) and poorest ZIP 97023 (Estacada, $76,762) are 32.0 miles apart — a 2.0× income gap across local geography.
Median home values vary 2.7× across this county — from $387,500 in 97067 (Welches) to $1,047,500 in 97034 (Lake Oswego).
Density varies 594× across the county — from 8 people/sq mi in 97049 (Rhododendron) to 4,727 in 97027 (Gladstone).
Educational attainment ranges from 14.0% bachelor's+ in 97023 (Estacada) to 74.2% in 97034 (Lake Oswego) — the breadth of educational profiles across the area.
Within Oregon, this is the #3 most populous of 38 counties and ranks #3 for median household income with the #11 fastest decade growth .
Weighted by population, the typical household earns about $105,926 across the county — reflecting what a typical resident sees, not a simple ZIP average.
40.5% of adults age 25+ hold a bachelor's degree or higher (121,416 of 299,952 reporting). The most-educated ZIPs cluster around Lake Oswego.
24 Standard delivery, 3 PO Box only, 0 single-entity Unique ZIPs serve this county.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 97045 | Oregon City | Standard | 57,526 | $103,573 | 87.9 | 10.2% |
| 97222 | Portland | Standard | 36,398 | $83,119 | 8.7 | 3.0% |
| 97086 | Happy Valley | Standard | 34,567 | $102,359 | 10.2 | 25.9% |
| 97267 | Portland | Standard | 31,311 | $87,418 | 7.4 | -1.1% |
| 97068 | West Linn | Standard | 30,161 | $151,729 | 23.8 | 4.1% |
| 97070 | Wilsonville | Standard | 26,902 | $97,429 | 19.2 | 21.4% |
| 97035 | Lake Oswego | Standard | 25,911 | $130,603 | 5.9 | 9.0% |
| 97015 | Clackamas | Standard | 24,433 | $87,333 | 9.2 | 21.0% |
| 97013 | Canby | Standard | 24,293 | $101,832 | 59.7 | 4.2% |
| 97034 | Lake Oswego | Standard | 21,331 | $149,236 | 8.3 | 11.1% |
| 97055 | Sandy | Standard | 19,786 | $112,323 | 130.2 | 14.4% |
| 97038 | Molalla | Standard | 16,440 | $89,564 | 211.4 | 1.6% |
| 97089 | Damascus | Standard | 15,101 | $123,689 | 22.0 | 24.4% |
| 97027 | Gladstone | Standard | 12,347 | $94,375 | 2.6 | -0.4% |
| 97023 | Estacada | Standard | 12,111 | $76,762 | 374.8 | 14.6% |
| 97009 | Boring | Standard | 8,336 | $106,650 | 30.8 | 11.5% |
| 97004 | Beavercreek | Standard | 4,496 | $112,667 | 43.0 | 3.8% |
| 97017 | Colton | Standard | 3,427 | $83,355 | 91.1 | 42.1% |
| 97042 | Mulino | Standard | 3,361 | $118,045 | 23.6 | -5.1% |
| 97022 | Eagle Creek | Standard | 3,319 | $92,945 | 22.8 | -3.2% |
| 97067 | Welches | Standard | 2,125 | $87,794 | 19.4 | -10.5% |
| 97049 | Rhododendron | Standard | 1,896 | $92,056 | 238.1 | 1.7% |
| 97011 | Brightwood | Standard | 620 | $91,292 | 1.5 | -25.4% |
| 97028 | Government Camp | Standard | 230 | $76,716 | 91.5 | 184.0% |
| 97268 | Portland | PO Box | — | — | 0.0 | — |
| 97036 | Marylhurst | PO Box | — | — | 0.3 | — |
| 97269 | Portland | PO Box | — | — | 0.0 | — |