Data Last Updated: July 1, 2025

Whitman County, WA ZIP Codes

ZIP Codes: Shows how many general ZIP Codes, PO Boxes, Unique (Business), and Multi County ZIP Codes are associated with Whitman, WA.	24 ZIP Codes (17 General, 4 PO Box, 1 Unique, & 2 Multi County) [More Details]
Area Code: The Telephone Area Code that are associated with Whitman, WA. 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.	509
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 Whitman, WA 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.	47,973 [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.	53075
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.	Pullman, WA
Land Area: The approximate amount of land area covered by Whitman, WA 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.	2,159 square miles
Water Area: The approximate amount of water area covered by Whitman, WA 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.	19 square miles
Coordinates: The latitude/longitude centroid coordinates for Whitman County, WA.	-117.523026, 46.901174
Quick Link: Copy the direct link to the Whitman, WACounty page and use anywhere you like!	https://www.zip-codes.com/county/wa-whitman.asp

Whitman, WA ZIP Code Boundaries

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Whitman County, WA Covers 24 ZIP Codes

ZIP Code	Classification	City	Population	% of Population
ZIP Code 99004 *	General	Cheney	23,064	--
ZIP Code 99017	General	Lamont	167	0.35%
ZIP Code 99033	General	Tekoa	954	1.99%
ZIP Code 99102	P.O. Box	Albion	544	1.13%
ZIP Code 99104	General	Belmont	0	0.00%
ZIP Code 99111	General	Colfax	4,029	8.40%
ZIP Code 99113	General	Colton	722	1.51%
ZIP Code 99125	General	Endicott	495	1.03%
ZIP Code 99128	General	Farmington	315	0.66%
ZIP Code 99130	General	Garfield	805	1.68%
ZIP Code 99136	General	Hay	24	0.05%
ZIP Code 99143	General	Lacrosse	602	1.25%
ZIP Code 99149	P.O. Box	Malden	219	0.46%
ZIP Code 99158	General	Oakesdale	595	1.24%
ZIP Code 99161	General	Palouse	1,450	3.02%
ZIP Code 99163	General	Pullman	34,416	71.74%
ZIP Code 99164	Unique	Pullman	0	0.00%
ZIP Code 99170	General	Rosalia	1,135	2.37%
ZIP Code 99171	General	Saint John	975	2.03%
ZIP Code 99174	P.O. Box	Steptoe	66	0.14%
ZIP Code 99176	General	Thornton	169	0.35%
ZIP Code 99179	General	Uniontown	541	1.13%
ZIP Code 99333	P.O. Box	Hooper	39	0.08%
ZIP Code 99347 *	General	Pomeroy	2,342	--

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

Important Whitman, WA Information

Whitman County, WA Covers 24 ZIP Codes. This includes 17 General ZIP Codes, 4 PO Box ZIP Codes, and 1 Unique (reserved for Business and Volume Mail Receivers). There are also 2 Multi County ZIP Codes. These records are assigned a different primary county, but they partially cover area in Whitman County.

The population for Whitman County is 47,973, according to the U.S. Census. Population Density is 22.22 persons per square mile. With 20,922 Housing Units, the Average Household Size is 2.22 persons. There are 18,650 Family Households with an Average Family Size of 3.26 persons. 4.94% of the population is without Health Insurance. The 58.29% Employment Rate is 1.51% above the national average of 59.8%.24,357 people aged 25+ have some educational achievement, with 50.16% (or 12,217 people) having attained a Bachelor's Degree or higher.More Demographics are available below.

509 is the only area code for this area. Whitman is also located in the Pacific timezone and the current local time is shown above.

Whitman is part of the Pullman, WA Core Based Statistical Area (CBSA). Its CBSA Code is 39420.It is classified as a micro area, which means it has an urban core of at least 10,000 but less then 50,000 people.

CBSAs are defined by the OMB as geographic areas that have at least one core with a population of 10,000 or more 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 Whitman, WA have 19,156 Residential mailboxes and 819 Business mailboxes.There are 846 businesses with a total of 11,335 employees. That is an average of 13.4 employees per business. Annual payroll for these businesses is $600,853,000. Other Demographics

Whitman County Demographic Profile

Population & People

Total Population

47,973

Income

Median Household Income

$52,893

Housing

Total Housing Units

20,922

Health

Without Healthcare Coverage

4.94%

Business & Economy

Total Businesses

846

Families

Total Households

18,650

Employment

Employment Rate

58.29%

Education

Bachelor's Degree or Higher

50.16%

Total Population: Total number of people from the 2020 U.S. Census for Whitman, WA. 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.	47,973
Current Population Estimate: This field gives the estimated household population for All ZIP Codes in Whitman, WA. 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.	42,388
Total Households: Total number of Households from the 2020 U.S. Census for Whitman, WA. A Household includes everyone living in a residential housing unit. This includes families, roommates in a single residence, or a person living alone.	18,650
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.	20,922
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.	2.22
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.	3.26

Other Whitman Demographics

# Residential Mailboxes: The number of active residential delivery mailboxes and centralized units. This excludes PO Boxes and all other contract box types.	19,156
# Business Mailboxes: The number of active business delivery mailboxes and centralized units. This excludes PO Boxes and all other contract box types.	819
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.	34,462
Single Family Delivery Units: Total count of single family mail delivery receptacles; generally analogous to homes.	8,483
Multi Family Delivery Units: Total count of multifamily mail delivery receptacles; generally analogous to apartments.	5,002

# of Businesses: The total number of Business Establishments. Data taken from Business Census 2023.	846
1st Quarter Payroll: The total payroll for the first quarter. Data taken from Business Census 2023.	$139,191,000
Annual Payroll: The total annual payroll . Data taken from Business Census 2023.	$600,853,000
# of Employees: The total number of employees for all ZIP Codes in this City. Data taken from Business Census 2023.	11,335

Sum of all ZIP Codes assigned Whitman, WA 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