Endicott ZIP Codes — Whitman County, WA

There is one unique ZIP code in Endicott, Washington and it is 99125. Area code: 509.

ZIP codes

193.38

sq mi land

0.15

sq mi water

509

area code

Endicott, WA ZIP code map

About Endicott, WA

Endicott, Washington, is a small town located in Whitman County. Known for its agricultural backdrop, it offers a glimpse into rural life in the Pacific Northwest. The community is characterized by its close-knit feel and historical significance.

Location & geography

Endicott is situated in the eastern part of Washington state, approximately 10 miles northwest of Colfax and about 20 miles northeast of Pullman. The town encompasses a total area of 193.38 square miles, with a minimal water area of 0.15 square miles. The terrain is predominantly flat, typical of the Palouse region, which is known for its rolling hills and fertile soil.

Community & economy

Endicott has a rich agricultural heritage, with farming being a crucial part of its local economy. The community is characterized by a friendly atmosphere, where residents often engage in local events and activities. Daily life in Endicott reflects a blend of tradition and modernity, with an emphasis on community involvement and support.

Transportation

Endicott is accessible via several local roads, with the closest state highway being State Route 26, which connects the town to larger regional hubs. The nearest major airport is in Pullman, approximately 20 miles away, offering flights to various destinations. Public transit options in the area are limited, so personal vehicles are the primary mode of transportation.

History

Endicott was founded in the early 1900s, primarily as a result of railway expansion in the region. Agriculture has always been a key industry, with wheat farming playing a significant role in the local economy. Over the years, Endicott has seen its share of challenges and changes, but it has maintained its rural charm and strong community spirit.

Did you know?

A surprising fact about Endicott is that it is home to the Endicott School, which has served the community for decades and continues to be a center for education in the area. Additionally, the town's name is derived from an important family in the local history as well as the influence of the surrounding agricultural landscape.

ZIP codes for Endicott, WA (1)

ZIP code	City	County	Map
99125	Endicott	Whitman	View map

Demographics & statistics

626

Population

38.5

Median age

$50,658

Median household income

$23,329

Per capita income

$156,300

Median home value

$920

Median monthly rent

60.8%

Home ownership

10.1%

Poverty rate

6.2%

Unemployment

199

Housing units

19.4%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	214	34.2%
18 and over	412	65.8%
65 and over	94	15.0%
Median age	38.5 years

Race & ethnicity

White 89.5%

Two or more races 3.5%

Hispanic or Latino 3.4%

Other race 2.2%

Black or African American 1.4%

Group	Count	%
White	580	89.5%
Two or more races	23	3.5%
Hispanic or Latino	22	3.4%
Other race	14	2.2%
Black or African American	9	1.4%

Household income

Under $10k 0.9%

$10k–$15k 3.0%

$15k–$25k 12.1%

$25k–$35k 15.9%

$35k–$50k 15.9%

$50k–$75k 26.7%

$75k–$100k 14.7%

$100k–$150k 3.9%

$150k–$200k 5.2%

$200k+ 1.7%

Range	% of households
Under $10k	0.9%
$10k–$15k	3.0%
$15k–$25k	12.1%
$25k–$35k	15.9%
$35k–$50k	15.9%
$50k–$75k	26.7%
$75k–$100k	14.7%
$100k–$150k	3.9%
$150k–$200k	5.2%
$200k+	1.7%
Median income	$50,658

Housing

Home values

Under $50k 8.5%

$50k–$100k 18.4%

$100k–$150k 20.6%

$150k–$200k 11.3%

$200k–$300k 17.0%

$300k–$500k 9.9%

$500k–$1M 14.2%

Housing overview

Metric	Value
Median home value	$156,300
Median rent / month	$920
Owner occupied	60.8%
Renter occupied	39.2%
Vacant	20.0%
Single-family detached	92.1%
Large apartment buildings	0.0%
Mobile homes	7.9%
Median rooms	6.2
Avg household size (owned)	2.60

Year built

Era	%
2020 or later	0.0%
2010–2019	0.7%
2000–2009	1.4%
1990–1999	3.8%
1980–1989	10.7%
1970–1979	7.9%
1960–1969	6.9%
1950–1959	5.2%
1940–1949	7.9%
1939 or earlier	55.5%

Bedrooms

Size	% of units
No bedroom (studio)	1.4%
1 bedroom	3.1%
2 bedrooms	25.5%
3 bedrooms	35.2%
4 bedrooms	20.7%
5+ bedrooms	14.1%

Vehicles per household

Vehicles	% of households
No vehicle	0.4%
1 vehicle	32.3%
2 vehicles	29.7%
3 or more	37.5%

Heating fuel

Fuel type	%
Utility gas	39.2%
Electricity	40.9%
Propane / LP gas	4.3%
Fuel oil	11.6%
Wood	2.6%
No fuel used	1.3%

Households & families

Household type	Count	%
Married-couple family	113	48.7%
Cohabiting couple	9	3.9%
Male householder, no spouse	55	23.7%
Female householder, no spouse	55	23.7%
Households with children under 18	92	39.7%
Households with seniors (65+)	71	30.6%
Average household size	2.68

Marital status

Status	Male	Female
Never married	30.9%	14.0%
Married	49.0%	56.1%
Separated	1.2%	6.1%
Widowed	4.8%	4.2%
Divorced	14.1%	19.6%

Education

Less than 9th grade 0.5%

Some HS, no diploma 3.8%

HS graduate 33.4%

Some college, no degree 27.8%

Associate's degree 15.1%

Bachelor's degree 10.7%

Graduate / professional 8.7%

Metric	%
HS diploma or higher	95.7%
Bachelor's or higher	19.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	5	2.6%
Kindergarten	5	2.6%
Elementary school	119	62.0%
High school	58	30.2%
College / grad school	5	2.6%

Employment

Industry of employment

Education & healthcare 20.3%

Agriculture & mining 17.6%

Construction 15.9%

Manufacturing 8.8%

Retail trade 8.4%

Professional & management 7.0%

Transportation & utilities 5.3%

Other services 4.8%

Arts, food & hospitality 4.0%

Public administration 4.0%

Wholesale trade 2.2%

Information 1.8%

Occupation

Category	%
Management, business & arts	27.3%
Service	18.5%
Sales & office	10.6%
Natural resources & construction	27.3%
Production & transportation	16.3%

Employment type

Type	%
Private sector	64.3%
Government	18.9%
Self-employed	16.7%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	77.1%
Carpool	8.4%
Public transit	0.0%
Walk	4.8%
Other means	3.1%
Avg commute (minutes)	27.7

Poverty

All people 10.1%

Under 18 years 15.4%

18 and over 7.3%

Married-couple families 1.8%

Female-led households 20.0%

Income support

Source	% of households
Social Security	32.3%
Retirement income	15.1%
Supplemental Security	12.1%
Cash public assistance	3.9%
Food stamps / SNAP	26.3%

Health indicators

Condition	%
High blood pressure	38.2%
High cholesterol	38.0%
Heart disease	8.8%
Stroke	4.1%
Asthma	11.0%
Arthritis	32.0%
Kidney disease	3.9%
Pulmonary disease	9.0%
Cancer	9.1%

Behavior / access	%
Binge drinking	14.9%
No physical activity	21.7%
Less than 7 hrs sleep	28.0%
Fair or poor health	16.8%
Poor mental health	14.4%
Poor physical health	13.2%
No health insurance	9.8%
Visited doctor (checkup)	73.3%
Visited dentist	68.0%
Cholesterol screening	90.9%
Teeth loss	12.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	55	13.3%

Disability	%
Any disability	14.7%
Under 18	4.7%
18–64 years	17.6%
65 and over	27.7%

Health insurance coverage

Type	%
Private insurance	41.1%
Public insurance	63.4%
Uninsured under 19	5.9%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	612	97.8%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	617	98.6%
Born in same state	617	98.6%
Born in different state	377	60.2%
Foreign born	0	0.0%
Naturalized citizen	9	1.4%
Not a US citizen	6	66.7%

Ancestry

Ancestry	Count	%
Italian	137	21.9%
French	118	18.8%
English	39	6.2%

Ancestry	Count	%
Polish	39	6.2%
Arab	24	3.8%
German	2	0.3%

Technology access

Metric	% of households
Computer access	37.1%
Internet access	96.1%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What ZIP codes does Endicott, WA have?

Endicott, WA has one ZIP code: 99125. Each ZIP code serves a distinct delivery area within the city and surrounding region.