99017 ZIP Code — Lamont, WA

Whitman County, Washington

ZIP code 99017 is located in Lamont, Washington, within Whitman County. It covers approximately 91.66 square miles and serves a population of 226 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 509.

About ZIP code 99017

The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $99,300. Owner-occupancy is high at 94%, well above the national average.

Median household income is $52,188. Poverty affects 31% of residents, above the national average.

The dominant occupation class is management, business, and professional, with agriculture and mining as the leading industry. The average commute of 34 minutes is near the national average.

College attainment at 15% is below the national average, consistent with a trades and production-oriented local economy.

Overall, ZIP code 99017 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, and high homeownership.

226

population

91.66

sq mi land

Standard

ZIP type

Pacific (PT)

timezone

99017 ZIP code map

Cities in ZIP code 99017

Below are the cities the US Postal Service accepts for ZIP code 99017. Using any city not on this list may result in mail delivery delays.

City	Status
Lamont	Acceptable
Lamont	Preferred

Nearby ZIP codes

99171 Saint John (8.1 mi) 99125 Endicott (14.2 mi) 99032 Sprague (17.2 mi) 99170 Rosalia (19.2 mi) 99004 Cheney (20 mi)

Demographics updated 05/2026

Population
Total population	226
Population density	2 / sq mi
State FIPS	53
County FIPS	075

Geography
Land area	91.66 sq mi
Water area	0.48 sq mi
Latitude	47.1458
Longitude	-117.7757
Timezone	Pacific (PT)
Area code	509

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	62.3%	55.9%	31.7%
$50k – $100k	34.4%	24.5%	30.6%
$100k – $200k	3.3%	15.6%	27.1%
Over $200k	0.0%	4.0%	10.6%

Demographics & statistics

226

Population

People per sq mi

45.3

Median age

$52,188

Median household income

$27,351

Per capita income

$99,300

Median home value

$575

Median monthly rent

94.3%

Home ownership

30.5%

Poverty rate

0.0%

Unemployment

105

Housing units

14.7%

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	47	20.8%
18 and over	179	79.2%
65 and over	16	7.1%
Median age	45.3 years

Race & ethnicity

White 69.3%

Hispanic or Latino 12.1%

Other race 10.1%

Two or more races 5.4%

American Indian / Alaska Native 3.1%

Group	Count	%
White	178	69.3%
Hispanic or Latino	31	12.1%
Other race	26	10.1%
Two or more races	14	5.4%
American Indian / Alaska Native	8	3.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	62.3%	55.9%	31.7%
$50k – $100k	34.4%	24.5%	30.6%
$100k – $200k	3.3%	15.6%	27.1%
Over $200k	0.0%	4.0%	10.6%

Under $10k 31.4%

$10k–$15k 1.9%

$15k–$25k 1.9%

$25k–$35k 4.8%

$35k–$50k 6.7%

$50k–$75k 25.7%

$75k–$100k 8.6%

$100k–$150k 14.3%

$150k–$200k 1.9%

$200k+ 2.9%

Range	% of households
Under $10k	31.4%
$10k–$15k	1.9%
$15k–$25k	1.9%
$25k–$35k	4.8%
$35k–$50k	6.7%
$50k–$75k	25.7%
$75k–$100k	8.6%
$100k–$150k	14.3%
$150k–$200k	1.9%
$200k+	2.9%
Median income	$52,188

Housing

Home values

Under $50k 29.3%

$50k–$100k 21.2%

$100k–$150k 10.1%

$150k–$200k 25.3%

$200k–$300k 4.0%

$500k–$1M 10.1%

Housing overview

Metric	Value
Median home value	$99,300
Median rent / month	$575
Owner occupied	94.3%
Renter occupied	5.7%
Vacant	5.4%
Single-family detached	64.0%
Large apartment buildings	0.0%
Mobile homes	36.0%
Median rooms	5.2
Avg household size (owned)	2.17

Year built

Era	%
2020 or later	0.0%
2010–2019	0.0%
2000–2009	0.0%
1990–1999	9.9%
1980–1989	2.7%
1970–1979	29.7%
1960–1969	4.5%
1950–1959	22.5%
1940–1949	0.9%
1939 or earlier	29.7%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	3.6%
2 bedrooms	24.3%
3 bedrooms	55.9%
4 bedrooms	10.8%
5+ bedrooms	5.4%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	34.3%
2 vehicles	26.7%
3 or more	39.0%

Heating fuel

Fuel type	%
Electricity	81.0%
Fuel oil	7.6%
Wood	6.7%
No fuel used	1.0%

Households & families

Household type	Count	%
Married-couple family	32	30.5%
Cohabiting couple	10	9.5%
Male householder, no spouse	29	27.6%
Female householder, no spouse	34	32.4%
Households with children under 18	53	50.5%
Households with seniors (65+)	15	14.3%
Average household size	2.15

Marital status

Status	Male	Female
Never married	32.6%	8.7%
Married	40.0%	45.7%
Separated	1.1%	27.2%
Widowed	3.2%	5.4%
Divorced	23.2%	13.0%

Education

Less than 9th grade 0.0%

Some HS, no diploma 21.5%

HS graduate 30.1%

Some college, no degree 21.5%

Associate's degree 12.3%

Bachelor's degree 8.0%

Graduate / professional 6.7%

Metric	%
HS diploma or higher	78.5%
Bachelor's or higher	14.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	2	4.5%
Kindergarten	2	4.5%
Elementary school	26	59.1%
High school	14	31.8%
College / grad school	0	0.0%

Employment

Industry of employment

Transportation & utilities 26.3%

Agriculture & mining 21.1%

Public administration 15.8%

Education & healthcare 10.5%

Professional & management 8.4%

Other services 6.3%

Manufacturing 4.2%

Wholesale trade 3.2%

Finance & real estate 3.2%

Retail trade 1.1%

Occupation

Category	%
Management, business & arts	40.0%
Service	10.5%
Sales & office	17.9%
Natural resources & construction	10.5%
Production & transportation	21.1%

Employment type

Type	%
Private sector	52.6%
Government	43.2%
Self-employed	4.2%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	76.8%
Carpool	8.4%
Public transit	0.0%
Walk	6.3%
Work from home	8.4%
Other means	0.0%
Avg commute (minutes)	33.9

Poverty

All people 30.5%

Under 18 years 31.9%

18 and over 30.2%

Married-couple families 6.3%

Female-led households 71.4%

Income support

Source	% of households
Social Security	17.1%
Retirement income	21.0%
Supplemental Security	7.6%
Cash public assistance	1.0%
Food stamps / SNAP	9.5%

Health indicators

Condition	%
Obesity	33.1%
High blood pressure	36.0%
High cholesterol	35.9%
Diabetes	10.6%
Heart disease	8.2%
Stroke	3.8%
Asthma	10.8%
Arthritis	29.0%
Kidney disease	3.6%
Pulmonary disease	8.1%
Cancer	8.3%

Behavior / access	%
Smoking	16.7%
Binge drinking	16.5%
No physical activity	21.0%
Less than 7 hrs sleep	28.5%
Depression	25.7%
Fair or poor health	15.8%
Poor mental health	14.6%
Poor physical health	12.3%
No health insurance	10.2%
Visited doctor (checkup)	71.4%
Visited dentist	67.1%
Cholesterol screening	89.2%
Teeth loss	13.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	14	7.8%

Disability	%
Any disability	18.1%
Under 18	2.1%
18–64 years	20.9%
65 and over	37.5%

Health insurance coverage

Type	%
Private insurance	50.4%
Public insurance	41.2%
No insurance	13.3%
Uninsured under 19	3.8%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	216	95.6%
Spanish	25	11.6%
Other Indo-European	25	11.6%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	201	88.9%
Born in same state	201	88.9%
Born in different state	153	67.7%
Foreign born	0	0.0%
Naturalized citizen	25	11.1%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Italian	20	8.8%
Arab	20	8.8%
Polish	18	8%

Ancestry	Count	%
French	17	7.5%
English	1	0.4%

Technology access

Metric	% of households
Computer access	46.5%
Internet access	96.2%

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

Frequently asked questions about ZIP code 99017

What city is ZIP code 99017 in?

ZIP code 99017 is primarily assigned to Lamont, Washington.

What county is ZIP code 99017 in?

ZIP code 99017 falls within Whitman County, Washington.

What is the poverty rate in ZIP code 99017?

31% of residents in ZIP code 99017 live below the poverty line, above the national average.

Is ZIP code 99017 mostly owner-occupied?

94% of occupied units in ZIP code 99017 are owner-occupied, well above the national average.

How educated is the population of ZIP code 99017?

15% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.

What is the typical home value in ZIP code 99017?

The median home value in ZIP code 99017 is $99,300.

What timezone is ZIP code 99017 in?

ZIP code 99017 observes the PST timezone.