Washington County · Oregon
ZIP code 97140
- Population
- 27,999
- Median income
- $119,241
- Median home
- $618,000
- Sales tax
- 0%
ZCTA residents
Household, past 12 months
Owner-occupied value
Oregon state rate
Quick answer
ZIP 97140 sits in Washington County, Oregon and is home to 27,999 people. Median household income is $119,241, the median home is worth $618,000 and median gross rent is $1,934. 77.1% of households own their home, and purchases are taxed at 0% (Oregon state rate).
- County
- Washington County
- State
- Oregon (OR)
- Area codes
- Not published
- Metro area
- Outside covered metros
FIPS 41067
428 ZIPs covered
No NANPA match for this ZIP
Rate jurisdiction used for tax
The numbers for 97140
American Community Survey 2019-2023 ACS 5-year estimates for this ZCTA.
- Population
- 27,999ZIP 97140 residents
- Median household income
- $119,241Past 12 months, inflation adjusted
- Median home value
- $618,000Owner-occupied units
- Median gross rent
- $1,934Rent plus utilities, monthly
- Median age
- 37.2 yrsAll residents
- Homeownership rate
- 77.1%Owner-occupied households
Sales tax in 97140
What a purchase inside this ZIP costs at checkout.
Oregon levies 0% statewide with no local add-ons. Check the county page for the local component before you quote a price.
Affordability in this ZIP
Derived from the Census medians above — indicative, not an offer.
A rent burden above 30% is the federal threshold for cost-burdened households, and a price-to-income multiple above 4× is generally considered a stretched housing market. The mortgage figure is principal and interest only — taxes, insurance and HOA dues are extra.
How 97140 compares
ZIP 97140 against the median ZIP in Washington County and across Oregon.
| Measure | ZIP 97140 | County median | State median | vs state |
|---|---|---|---|---|
| Median household income | $119,241 | $107,025 | $71,485 | +67% |
| Median home value | $618,000 | $565,900 | $385,100 | +60% |
| Median gross rent | $1,934 | $1,724 | $1,183 | +63% |
| Population | 27,999 | 27,812 | 2,452 | +1042% |
Medians are computed across the 23 ZIP areas in Washington County and the 428 ZIP areas in Oregon.
Statewide rank
Where this ZIP places among all 428 Oregon ZIP areas.
- Income
- #20
- Home value
- #34
- Population
- #60
richer than 95% of 385 state ZIPs
above 91% of 379 state ZIPs
larger than 86% of 428 state ZIPs
Comparable ZIP codes
Oregon ZIP areas with almost the same household income.
Nearby ZIP codes
Other ZIP codes filed under Washington County.
ZIP 97140 questions
Common questions about this ZIP code.
- Where is ZIP code 97140?
- ZIP 97140 lies mostly in Washington County, Oregon. County assignment follows the largest share of land area, so a ZIP straddling a county line is filed under its dominant county.
- What sales tax do I pay in 97140?
- Oregon charges 0% statewide.
- Is 97140 expensive to live in?
- Median rent runs $1,934 a month, about 19% of median household income, and the median home is worth $618,000 — +60% against the typical Oregon ZIP.
- Is a ZCTA the same as a postal ZIP code?
- Not exactly. The Census builds ZIP Code Tabulation Areas from the ZIP codes of addresses inside each census block, so a ZCTA can differ slightly from the USPS delivery route of the same number, and PO-box-only ZIPs have no ZCTA at all.
Keep going
Related pages for this area.
Sources & transparency
- US Census Bureau, ACS 2019-2023 5-year estimates — 2019-2023 ACS 5-year — population, income, housing
- Census 2020 ZCTA-to-county relationship file — County assignment by largest land-area overlap
- Oregon Department of Revenue — Sales tax rates and local add-ons
Last reviewed December 2024. Figures are published for reference and can change; verify with the source agency before filing or contracting. How we build and check this data.