| ZIP Codes: | 54 ZIP Codes (33 Standard, 16 PO Box, 5 Unique) [See All] |
| Area Codes: | 503 / 971 |
| Timezone: | Pacific (GMT -08:00) |
| Local Time: | 2:13:29 PM |
| Population: | 794,233 [See All] |
| FIPS: | 41051 |
| CBSA: | Portland-Vancouver-Hillsboro, OR-WA |
| Land Area: | 377 sq mi |
| Water Area: | 41 sq mi |
| Coordinates: | 45.5321, -122.6034 |
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794,233 residents live across 54 ZIPs covering 377 sq mi, served by 6 distinct USPS-recognized cities.
Population moved from 749,726 to 794,233 from 2014 to 2024 — a +5.9% change. 25 ZIPs gained residents, 7 lost (and 1 held flat).
The county's wealthiest ZIP 97221 (Portland, $145,671 median) and poorest ZIP 97205 (Portland, $57,288) are 1.4 miles apart — a 2.5× income gap across local geography.
Median home values vary 2.4× across this county — from $414,100 in 97024 (Fairview) to $991,200 in 97210 (Portland).
Density varies 533× across the county — from 35 people/sq mi in 97019 (Corbett) to 18,666 in 97209 (Portland).
Most of the decade's growth concentrated around Portland — top growth ZIPs averaged +35.6% over the past ten years ( 97209 , 97232 and 97205 ).
Educational attainment ranges from 18.9% bachelor's+ in 97233 (Portland) to 77.3% in 97210 (Portland) — the breadth of educational profiles across the area.
Within Oregon, this is the #1 most populous of 38 counties and ranks #5 for median household income with the #23 fastest decade growth .
On the national stage, Multnomah County is the #83 most populous US county .
Hosts 4 single-entity Unique ZIPs: 97251Shared Reshipper ; 97254Shared Reshipper ; 97250Shared Reshipper ; and 97253Shared Reshipper .
Weighted by population, the typical household earns about $90,664 across the county — reflecting what a typical resident sees, not a simple ZIP average.
48.4% of adults age 25+ hold a bachelor's degree or higher (287,006 of 592,561 reporting). The most-educated ZIPs cluster around Portland.
33 Standard delivery, 16 PO Box only, 5 single-entity Unique ZIPs serve this county.
13 ZIPs in this county where more than 60% of adults 25+ hold a bachelor's degree — typically college campuses, research enclaves, or tech corridors.
5 ZIP codes in this county serve a single facility — typically theme parks, universities, large corporations, airports, or government complexes.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 97206 | Portland | Standard | 49,890 | $98,548 | 6.5 | 3.0% |
| 97080 | Gresham | Standard | 48,411 | $96,305 | 22.1 | 19.5% |
| 97230 | Portland | Standard | 43,553 | $75,572 | 17.1 | 6.2% |
| 97202 | Portland | Standard | 43,533 | $104,971 | 6.2 | 9.1% |
| 97219 | Portland | Standard | 42,430 | $121,306 | 11.8 | 6.2% |
| 97030 | Gresham | Standard | 37,708 | $69,239 | 7.5 | -0.8% |
| 97236 | Portland | Standard | 37,558 | $75,090 | 7.8 | 0.4% |
| 97233 | Portland | Standard | 36,236 | $60,198 | 4.7 | -12.8% |
| 97266 | Portland | Standard | 35,423 | $72,577 | 6.0 | 3.8% |
| 97217 | Portland | Standard | 35,169 | $100,361 | 14.6 | 10.9% |
| 97211 | Portland | Standard | 33,769 | $112,586 | 11.2 | 2.3% |
| 97203 | Portland | Standard | 33,116 | $78,660 | 15.1 | 3.4% |
| 97213 | Portland | Standard | 31,408 | $97,068 | 4.0 | 2.7% |
| 97212 | Portland | Standard | 28,042 | $131,932 | 2.7 | 14.5% |
| 97214 | Portland | Standard | 27,714 | $87,131 | 3.0 | 12.3% |
| 97220 | Portland | Standard | 27,202 | $70,137 | 7.7 | -8.5% |
| 97209 | Portland | Standard | 22,296 | $80,301 | 1.2 | 43.7% |
| 97060 | Troutdale | Standard | 21,649 | $88,279 | 21.1 | -0.4% |
| 97239 | Portland | Standard | 17,804 | $110,134 | 4.8 | 11.9% |
| 97215 | Portland | Standard | 17,296 | $116,264 | 2.4 | 7.0% |
| 97201 | Portland | Standard | 16,887 | $63,250 | 2.0 | 7.3% |
| 97216 | Portland | Standard | 16,638 | $70,442 | 2.5 | 1.6% |
| 97232 | Portland | Standard | 15,615 | $70,895 | 1.9 | 31.9% |
| 97218 | Portland | Standard | 15,428 | $88,924 | 6.7 | 0.7% |
| 97221 | Portland | Standard | 12,915 | $145,671 | 4.3 | 5.5% |
| 97024 | Fairview | Standard | 12,007 | $69,679 | 4.0 | 18.8% |
| 97210 | Portland | Standard | 11,324 | $93,621 | 8.5 | -3.3% |
| 97205 | Portland | Standard | 9,121 | $57,288 | 1.2 | 31.1% |
| 97227 | Portland | Standard | 5,665 | $93,293 | 1.5 | 29.0% |
| 97231 | Portland | Standard | 4,308 | $137,527 | 74.1 | 12.1% |
| 97019 | Corbett | Standard | 3,233 | $104,022 | 92.2 | -5.4% |
| 97204 | Portland | Standard | 885 | — | 0.3 | -30.6% |
| 97208 | Portland | PO Box | 0 | — | 0.0 | — |
| 97254 | Portland | Unique | — | — | 0.0 | — |
| 97238 | Portland | PO Box | — | — | 0.0 | — |
| 97283 | Portland | PO Box | — | — | 0.0 | — |
| 97010 | Bridal Veil | PO Box | — | — | 0.1 | — |
| 97250 | Portland | Unique | — | — | 0.0 | — |
| 97251 | Portland | Unique | — | — | 0.0 | — |
| 97252 | Portland | Standard | — | — | 0.0 | — |
| 97253 | Portland | Unique | — | — | 0.0 | — |
| 97207 | Portland | PO Box | — | — | 0.0 | — |
| 97240 | Portland | PO Box | — | — | 0.0 | — |
| 97292 | Portland | PO Box | — | — | 0.0 | — |
| 97228 | Portland | PO Box | — | — | 0.0 | — |
| 97256 | Portland | Unique | — | — | 0.0 | — |
| 97293 | Portland | PO Box | — | — | 0.0 | — |
| 97294 | Portland | PO Box | — | — | 0.0 | — |
| 97296 | Portland | PO Box | — | — | 0.0 | — |
| 97282 | Portland | PO Box | — | — | 0.0 | — |
| 97242 | Portland | PO Box | — | — | 0.0 | — |
| 97290 | Portland | PO Box | — | — | 0.0 | — |
| 97286 | Portland | PO Box | — | — | 0.0 | — |
| 97280 | Portland | PO Box | — | — | 0.0 | — |