99157 ZIP Code — Northport, WA

Stevens County, Washington

ZIP code 99157 is located in Northport, Washington, within Stevens County. It covers approximately 65.15 square miles and serves a population of 655 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 509.

About ZIP code 99157

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $204,900. Owner-occupancy sits near the national average at 70%.

Median household income is $42,096. 49% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is service, with education and healthcare as the leading industry. The average commute of 27 minutes is near the national average.

Educational attainment is near the national average, with 21% of residents holding a bachelor's degree or higher.

655

population

65.15

sq mi land

Standard

ZIP type

Pacific (PT)

timezone

99157 ZIP code map

Cities in ZIP code 99157

Below are the cities the US Postal Service accepts for ZIP code 99157. Using any city not on this list may result in mail delivery delays.

City	Status
Northport	Preferred

Nearby ZIP codes

99126 Evans (15.3 mi) 99141 Kettle Falls (18.6 mi) 99114 Colville (18.8 mi)

Demographics updated 05/2026

Population
Total population	655
Population density	10 / sq mi
State FIPS	53
County FIPS	065

Geography
Land area	65.15 sq mi
Water area	4.14 sq mi
Latitude	48.9246
Longitude	-117.7843
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	60.1%	49.6%	31.7%
$50k – $100k	35.5%	31.1%	30.6%
$100k – $200k	4.3%	15.5%	27.1%
Over $200k	0.0%	3.8%	10.6%

Demographics & statistics

655

Population

People per sq mi

55.5

Median age

$42,096

Median household income

$27,967

Per capita income

$204,900

Median home value

$740

Median monthly rent

69.7%

Home ownership

9.1%

Poverty rate

2.1%

Unemployment

323

Housing units

21.1%

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	101	15.4%
18 and over	554	84.6%
65 and over	211	32.2%
Median age	55.5 years

Race & ethnicity

White 88.9%

Two or more races 4.6%

Hispanic or Latino 3.2%

Asian 1.8%

American Indian / Alaska Native 0.6%

Native Hawaiian / Pacific Islander 0.4%

Other race 0.4%

Group	Count	%
White	602	88.9%
Two or more races	31	4.6%
Hispanic or Latino	22	3.2%
Asian	12	1.8%
American Indian / Alaska Native	4	0.6%
Native Hawaiian / Pacific Islander	3	0.4%
Other race	3	0.4%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	60.1%	49.6%	31.7%
$50k – $100k	35.5%	31.1%	30.6%
$100k – $200k	4.3%	15.5%	27.1%
Over $200k	0.0%	3.8%	10.6%

Under $10k 6.2%

$10k–$15k 3.7%

$15k–$25k 11.5%

$25k–$35k 14.6%

$35k–$50k 18.6%

$50k–$75k 18.6%

$75k–$100k 11.1%

$100k–$150k 13.0%

$150k–$200k 1.9%

$200k+ 0.9%

Range	% of households
Under $10k	6.2%
$10k–$15k	3.7%
$15k–$25k	11.5%
$25k–$35k	14.6%
$35k–$50k	18.6%
$50k–$75k	18.6%
$75k–$100k	11.1%
$100k–$150k	13.0%
$150k–$200k	1.9%
$200k+	0.9%
Median income	$42,096

Housing

Home values

Under $50k 3.1%

$50k–$100k 4.4%

$100k–$150k 21.3%

$150k–$200k 19.6%

$200k–$300k 18.2%

$300k–$500k 27.6%

$500k–$1M 4.4%

$1M+ 1.3%

Housing overview

Metric	Value
Median home value	$204,900
Median rent / month	$740
Owner occupied	69.7%
Renter occupied	30.3%
Vacant	23.3%
Single-family detached	94.8%
Large apartment buildings	0.0%
Mobile homes	3.6%
Median rooms	5.2
Avg household size (owned)	2.13

Year built

Era	%
2020 or later	0.0%
2010–2019	2.1%
2000–2009	15.2%
1990–1999	19.2%
1980–1989	6.7%
1970–1979	17.6%
1960–1969	9.0%
1950–1959	5.7%
1940–1949	6.4%
1939 or earlier	18.1%

Bedrooms

Size	% of units
No bedroom (studio)	2.4%
1 bedroom	16.4%
2 bedrooms	28.0%
3 bedrooms	36.3%
4 bedrooms	15.9%
5+ bedrooms	1.0%

Vehicles per household

Vehicles	% of households
No vehicle	2.2%
1 vehicle	32.2%
2 vehicles	30.0%
3 or more	35.6%

Heating fuel

Fuel type	%
Utility gas	1.2%
Electricity	26.6%
Propane / LP gas	15.2%
Fuel oil	7.1%
Wood	45.5%

Households & families

Household type	Count	%
Married-couple family	147	45.5%
Cohabiting couple	27	8.4%
Male householder, no spouse	56	17.3%
Female householder, no spouse	93	28.8%
Households with children under 18	50	15.5%
Households with seniors (65+)	170	52.6%
Average household size	2.01

Marital status

Status	Male	Female
Never married	16.5%	12.5%
Married	52.5%	49.0%
Separated	5.4%	0.0%
Widowed	5.0%	10.5%
Divorced	20.7%	28.0%

Education

Less than 9th grade 0.4%

Some HS, no diploma 4.9%

HS graduate 36.9%

Some college, no degree 30.2%

Associate's degree 6.5%

Bachelor's degree 9.5%

Graduate / professional 11.6%

Metric	%
HS diploma or higher	94.7%
Bachelor's or higher	21.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	13	13.0%
Elementary school	57	57.0%
High school	9	9.0%
College / grad school	21	21.0%

Employment

Industry of employment

Education & healthcare 32.0%

Retail trade 15.1%

Agriculture & mining 11.5%

Manufacturing 10.8%

Arts, food & hospitality 6.8%

Professional & management 6.5%

Transportation & utilities 5.8%

Other services 3.6%

Construction 2.2%

Finance & real estate 2.2%

Public administration 2.2%

Information 1.4%

Occupation

Category	%
Management, business & arts	23.7%
Service	25.2%
Sales & office	16.5%
Natural resources & construction	10.8%
Production & transportation	23.7%

Employment type

Type	%
Private sector	60.1%
Government	31.3%
Self-employed	8.6%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	69.8%
Carpool	22.3%
Public transit	1.4%
Walk	6.5%
Work from home	0.0%
Other means	0.0%
Avg commute (minutes)	26.8

Poverty

All people 9.1%

Under 18 years 1.1%

18 and over 10.5%

Married-couple families 2.7%

Female-led households 5.9%

Income support

Source	% of households
Social Security	48.9%
Retirement income	35.3%
Supplemental Security	6.2%
Cash public assistance	0.0%
Food stamps / SNAP	16.1%

Health indicators

Condition	%
Obesity	32.6%
High blood pressure	37.6%
High cholesterol	35.7%
Diabetes	12.1%
Heart disease	8.8%
Stroke	4.3%
Asthma	11.4%
Arthritis	32.5%
Kidney disease	3.9%
Pulmonary disease	9.8%
Cancer	8.4%

Behavior / access	%
Smoking	19.0%
Binge drinking	14.5%
No physical activity	22.9%
Less than 7 hrs sleep	33.6%
Depression	25.5%
Fair or poor health	18.1%
Poor mental health	15.0%
Poor physical health	13.9%
No health insurance	10.8%
Visited doctor (checkup)	68.4%
Visited dentist	57.8%
Cholesterol screening	89.9%
Teeth loss	14.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	56	10.1%

Disability	%
Any disability	18.8%
Under 18	0.0%
18–64 years	12.0%
65 and over	38.9%

Health insurance coverage

Type	%
Private insurance	52.7%
Public insurance	58.5%
No insurance	11.0%
Uninsured under 19	6.9%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	635	96.9%
Spanish	1	0.2%
Other Indo-European	1	0.2%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	646	98.6%
Born in same state	624	95.3%
Born in different state	326	49.8%
Foreign born	22	3.4%
Naturalized citizen	9	1.4%
Not a US citizen	8	88.9%

Ancestry

Ancestry	Count	%
Italian	104	15.9%
French	75	11.5%
Polish	37	5.6%
Arab	37	5.6%

Ancestry	Count	%
English	12	1.8%
Dutch	8	1.2%
German	4	0.6%

Technology access

Metric	% of households
Computer access	49.3%
Internet access	81.7%

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

Frequently asked questions about ZIP code 99157

What city is ZIP code 99157 in?

ZIP code 99157 is primarily assigned to Northport, Washington.

What county is ZIP code 99157 in?

ZIP code 99157 falls within Stevens County, Washington.

Does ZIP code 99157 have an older population?

32% of residents in ZIP code 99157 are 65 or older, above the national average of ~17%.

Does ZIP code 99157 have a large retiree population?

49% of households in ZIP code 99157 receive Social Security income, suggesting a significant retiree or disability population.

Does ZIP code 99157 have a large veteran population?

10% of civilians in ZIP code 99157 are veterans, above the national average of ~7%.

What is the median household income in ZIP code 99157?

The median household income in ZIP code 99157 is $42,096, below the national median of ~$75,000.

What timezone is ZIP code 99157 in?

ZIP code 99157 observes the PST timezone.