Data Last Updated: July 1, 2025

Washington County, OR ZIP Codes

ZIP Codes: Shows how many general ZIP Codes, PO Boxes, Unique (Business), and Multi County ZIP Codes are associated with Washington, OR.	40 ZIP Codes (23 General, 5 PO Box, 3 Unique, & 9 Multi County) [More Details]
Area Codes: The Telephone Area Codes that are associated with Washington, OR. Area Codes are used in the North American Numbering Plan (NANP) to facilitate phone routing. There are approximately 350 area codes in use in the United States.	503, 971
Timezone: Time zone designation within the U.S. Please note that not all areas in the U.S. observe daylight saving time which can affect actual local time for this city. There are 7 standard time zones which are, from west to east: Hawaii-Aleutian, Alaska, Pacific, Mountain, Central, Eastern, Atlantic. Also included in U.S. Territories are Samoa, Guam and Palau.	Pacific
Local Time: The current local time for each timezone. If more than 1 time zone for this area, all local times will be shown. Counties can cross timezones, so more than 1 may be shown.	12:00:00 AM
Population: The population of Washington, OR from the U.S. Census 2020. Included are U.S. Citizens, permanent residents, temporary migrants, and undocumented individuals. The total population represents people who live in the city, not just those present while the Census was being completed.	600,372 [More Details]
FIPS: FIPS stands for Federal Information Processing Standards, which are a set of publicly announced standards for computer systems. A county FIPS code is a unique numeric identifier for a county in the United States, assigned by the National Institute of Standards and Technology (NIST). County FIPS codes have five digits, with the first two digits identifying the state and the last 3 indicating the county.	41067
CBSA: A Core Based Statistical Area (CBSA) is the recognized term for a region that functions around an urban core with a population of at least 10,000 people, according to the standards set by the Office of Management and Budget (OMB) in 2000. A CBSA is divided into two subsets: Metro and Micro, and these classifications are determined by population density. A Micro area is identified by a population ranging between 10,000 to 50,000, while a Metro area is defined as having a population that exceeds 50,000.	Portland-Vancouver-Hillsboro, OR-WA
Land Area: The approximate amount of land area covered by Washington, OR in square miles. The Land Area provided by the Census Bureau is based on geographic boundaries that include the mainland, islands, inland, coastal, Great Lakes, and territorial waters associated with each city.	724 square miles
Water Area: The approximate amount of water area covered by Washington, OR in square miles. Calculations by the Census Bureau for Water Area take into account inland bodies of water, coastal regions, Great Lakes, and territorial sea waters. This encompasses features such as lakes, reservoirs, rivers, and coastal water bodies.	2 square miles
Coordinates: The latitude/longitude centroid coordinates for Washington County, OR.	-123.098360, 45.560034
Quick Link: Copy the direct link to the Washington, ORCounty page and use anywhere you like!	https://www.zip-codes.com/county/or-washington.asp

Washington, OR ZIP Code Boundaries

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Washington County, OR Covers 40 ZIP Codes

ZIP Code	Classification	City	Population	% of Population
ZIP Code 97003	General	Beaverton	29,270	4.88%
ZIP Code 97005	General	Beaverton	26,873	4.48%
ZIP Code 97006	General	Beaverton	46,853	7.80%
ZIP Code 97007	General	Beaverton	48,280	8.04%
ZIP Code 97008	General	Beaverton	29,632	4.94%
ZIP Code 97035 *	General	Lake Oswego	25,770	--
ZIP Code 97056 *	General	Scappoose	12,926	--
ZIP Code 97062	General	Tualatin	29,146	4.85%
ZIP Code 97064 *	General	Vernonia	3,802	--
ZIP Code 97070 *	General	Wilsonville	26,443	--
ZIP Code 97075	P.O. Box	Beaverton	0	0.00%
ZIP Code 97076	P.O. Box	Beaverton	0	0.00%
ZIP Code 97077	Unique	Beaverton	0	0.00%
ZIP Code 97078	General	Beaverton	25,234	4.20%
ZIP Code 97079	Unique	Beaverton	0	0.00%
ZIP Code 97106	General	Banks	4,664	0.78%
ZIP Code 97109	General	Buxton	563	0.09%
ZIP Code 97113	General	Cornelius	15,075	2.51%
ZIP Code 97116	General	Forest Grove	29,351	4.89%
ZIP Code 97117	General	Gales Creek	693	0.12%
ZIP Code 97119	General	Gaston	4,722	0.79%
ZIP Code 97123	General	Hillsboro	48,369	8.06%
ZIP Code 97124	General	Hillsboro	53,487	8.91%
ZIP Code 97125	General	Manning	216	0.04%
ZIP Code 97129	Unique	Hillsboro	0	0.00%
ZIP Code 97132 *	General	Newberg	32,028	--
ZIP Code 97133	General	North Plains	5,577	0.93%
ZIP Code 97140	General	Sherwood	28,365	4.72%
ZIP Code 97144	General	Timber	188	0.03%
ZIP Code 97210 *	General	Portland	13,016	--
ZIP Code 97219 *	General	Portland	42,474	--
ZIP Code 97221 *	General	Portland	12,821	--
ZIP Code 97223	General	Portland	49,967	8.32%
ZIP Code 97224	General	Portland	37,365	6.22%
ZIP Code 97225	General	Portland	26,247	4.37%
ZIP Code 97229	General	Portland	73,602	12.26%
ZIP Code 97231 *	General	Portland	4,399	--
ZIP Code 97281	P.O. Box	Portland	0	0.00%
ZIP Code 97291	P.O. Box	Portland	0	0.00%
ZIP Code 97298	P.O. Box	Portland	0	0.00%

* Indicates a Multi County ZIP Code. These ZIP Codes partially cross over into Washington, OR, but will mostly cover area in a different County. Not included in % of Population calculations.

Important Washington, OR Information

Washington County, OR Covers 40 ZIP Codes. This includes 23 General ZIP Codes, 5 PO Box ZIP Codes, and 3 Unique (reserved for Business and Volume Mail Receivers). There are also 9 Multi County ZIP Codes. These records are assigned a different primary county, but they partially cover area in Washington County.

The population for Washington County is 600,372, according to the U.S. Census. Population Density is 829.24 persons per square mile. With 236,678 Housing Units, the Average Household Size is 2.62 persons. There are 226,799 Family Households with an Average Family Size of 2.89 persons. 4.92% of the population is without Health Insurance. The 65.67% Employment Rate is 5.87% above the national average of 59.8%.420,271 people aged 25+ have some educational achievement, with 46.69% (or 196,224 people) having attained a Bachelor's Degree or higher.More Demographics are available below.

There are 2 area codes serving this area including503 and 971. Washington is also located in the Pacific timezone and the current local time is shown above.

Washington is part of the Portland-Vancouver-Hillsboro, OR-WA Core Based Statistical Area (CBSA). Its CBSA Code is 38900.It is classified as a metro area, which means the combined population is 50,000 or more (at its core).

CBSAs are defined by the OMB as geographic areas that have at least one core with a population of 10,000 or more (for a micro area) and adjacent territory with a high degree of social and economic integration. CBSA codes are commonly used to accurately file Medicare claims and to verify applicable incentives using a patient's ZIP Code.

ZIP Codes in Washington, OR have 247,153 Residential mailboxes and 13,111 Business mailboxes.There are 16,339 businesses with a total of 291,323 employees. That is an average of 17.8 employees per business. Annual payroll for these businesses is $24,826,880,000. Other Demographics

Washington County Demographic Profile

Population & People

Total Population

600,372

Income

Median Household Income

$104,434

Housing

Total Housing Units

236,678

Health

Without Healthcare Coverage

4.92%

Business & Economy

Total Businesses

16,339

Families

Total Households

226,799

Employment

Employment Rate

65.67%

Education

Bachelor's Degree or Higher

46.69%

Total Population: Total number of people from the 2020 U.S. Census for Washington, OR. This reflects the exact count of this area at that point in time, not future estimates, regardless of citizenship or immigration status. It is intended to count all persons living within the geographic area, not just those present on the day of the census.	600,372
Current Population Estimate: This field gives the estimated household population for All ZIP Codes in Washington, OR. This is derived from known delivery information, household occupancy rates, household size, and more to come up with an accurate estimation for the current population. IMPORTANT: This does not include population totals for persons in nursing homes, correctional facilities, or other institutions. This is an estimation of the household population based on US Postal Service delivery information.	648,337
Total Households: Total number of Households from the 2020 U.S. Census for Washington, OR. A Household includes everyone living in a residential housing unit. This includes families, roommates in a single residence, or a person living alone.	226,799
Total Housing Units: The total number of Housing Units is the number of occupied units + the number of vacant units. Ownership is defined by whether the unit is occupied by an owner or by a tenant. Owner occupancy means that the owner lives in the unit. This value comes from the 2020 U.S. Census and is not a projection or estimate.	236,678
Average Household Size: The Average Household Size, is obtained by dividing the number of people in Households (excluding those in group quarters, nursing home, prisons, and dorm rooms) by the number of Households. A Household includes everyone living in a residential unit. Those who do not live in a household are classified as living in group accommodation. This value is an estimate from the U.S. Census ACS (American Community Survey) and is updated yearly.	2.62
Average Family Size: Average Family Size is calculated by dividing the number of people in a Family Household by the number of Family Households. The U.S. Census Bureau defines family households as households consisting of two or more individuals who are related by birth, marriage, or adoption. They also may include other unrelated people. Non-family households consist of people who live alone or who share their residence with unrelated individuals. The Average Family Size only looks at the households classified as Family Households. This value is an estimate from the U.S. Census ACS (American Community Survey) and is updated yearly.	2.89

Other Washington Demographics

# Residential Mailboxes: The number of active residential delivery mailboxes and centralized units. This excludes PO Boxes and all other contract box types.	247,153
# Business Mailboxes: The number of active business delivery mailboxes and centralized units. This excludes PO Boxes and all other contract box types.	13,111
Total Delivery Receptacles: The total number of delivery receptacles. This includes curb side mailboxes, centralized units, PO Boxes, NDCBU, and contract boxes. This count is for Residential and Business combined.	377,355
Single Family Delivery Units: Total count of single family mail delivery receptacles; generally analogous to homes.	73,995
Multi Family Delivery Units: Total count of multifamily mail delivery receptacles; generally analogous to apartments.	35,571

# of Businesses: The total number of Business Establishments. Data taken from Business Census 2023.	16,339
1st Quarter Payroll: The total payroll for the first quarter. Data taken from Business Census 2023.	$6,236,968,000
Annual Payroll: The total annual payroll . Data taken from Business Census 2023.	$24,826,880,000
# of Employees: The total number of employees for all ZIP Codes in this City. Data taken from Business Census 2023.	291,323

Sum of all ZIP Codes assigned Washington, OR as their primary County.

References

U.S. Postal Service [Last Updated: 7/1/2025], https://www.usps.com
ZIP-Codes.com Internal Data Creation [Last Updated: 7/1/2025], https://www.zip-codes.com
U.S. Geological Survey [Updated as needed], https://www.usgs.gov
U.S. Census [Updated Yearly], https://www.census.gov
U.S. Census 2020 [Decennial] [Last Updated: 5/25/2023], https://www.census.gov