99101 ZIP Code — Addy, WA

Stevens County, Washington

ZIP code 99101 is located in Addy, Washington, within Stevens County. It covers approximately 95.37 square miles and serves a population of 1,635 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 509.

About ZIP code 99101

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $302,500. Owner-occupancy is high at 87%, well above the national average.

Median household income is $65,714. Poverty affects 19% of residents, above the national average. 51% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 29 minutes is near the national average.

College attainment at 21% is below the national average, consistent with a trades and production-oriented local economy.

Notable community characteristics include disability rates above the national average at 22%.

Overall, ZIP code 99101 reflects a community defined by economic challenges above the national average, high homeownership, and a significant Social Security-dependent population.

1,635

population

95.37

sq mi land

Standard

ZIP type

Pacific (PT)

timezone

99101 ZIP code map

Cities in ZIP code 99101

Below are the cities the US Postal Service accepts for ZIP code 99101. Using any city not on this list may result in mail delivery delays.

City	Status
Addy	Preferred

Nearby ZIP codes

99131 Gifford (9 mi) 99109 Chewelah (10.3 mi) 99181 Valley (15.7 mi) 99137 Hunters (15.9 mi)

Demographics updated 05/2026

Population
Total population	1,635
Population density	17 / sq mi
State FIPS	53
County FIPS	065

Geography
Land area	95.37 sq mi
Water area	0.09 sq mi
Latitude	48.3487
Longitude	-117.9393
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	45.6%	49.6%	31.7%
$50k – $100k	23.7%	31.1%	30.6%
$100k – $200k	15.7%	15.5%	27.1%
Over $200k	15.0%	3.8%	10.6%

Demographics & statistics

1,635

Population

People per sq mi

48.8

Median age

$65,714

Median household income

$35,524

Per capita income

$302,500

Median home value

$725

Median monthly rent

86.9%

Home ownership

19.4%

Poverty rate

1.4%

Unemployment

663

Housing units

20.5%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

165

45–54

139

55–59

101

60–64

138

65–74

117

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	328	20.1%
18 and over	1,307	79.9%
65 and over	395	24.2%
Median age	48.8 years

Race & ethnicity

White 94.3%

Hispanic or Latino 1.6%

Two or more races 1.3%

Other race 1.2%

American Indian / Alaska Native 0.9%

Black or African American 0.5%

Asian 0.2%

Group	Count	%
White	1,567	94.3%
Hispanic or Latino	27	1.6%
Two or more races	21	1.3%
Other race	20	1.2%
American Indian / Alaska Native	15	0.9%
Black or African American	8	0.5%
Asian	4	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	45.6%	49.6%	31.7%
$50k – $100k	23.7%	31.1%	30.6%
$100k – $200k	15.7%	15.5%	27.1%
Over $200k	15.0%	3.8%	10.6%

Under $10k 2.2%

$10k–$15k 6.3%

$15k–$25k 5.9%

$25k–$35k 13.3%

$35k–$50k 16.0%

$50k–$75k 13.6%

$75k–$100k 5.1%

$100k–$150k 19.8%

$150k–$200k 3.4%

$200k+ 14.5%

Range	% of households
Under $10k	2.2%
$10k–$15k	6.3%
$15k–$25k	5.9%
$25k–$35k	13.3%
$35k–$50k	16.0%
$50k–$75k	13.6%
$75k–$100k	5.1%
$100k–$150k	19.8%
$150k–$200k	3.4%
$200k+	14.5%
Median income	$65,714

Housing

Home values

Under $50k 1.6%

$50k–$100k 6.6%

$100k–$150k 9.1%

$150k–$200k 12.6%

$200k–$300k 19.9%

$300k–$500k 30.4%

$500k–$1M 19.9%

Housing overview

Metric	Value
Median home value	$302,500
Median rent / month	$725
Owner occupied	86.9%
Renter occupied	13.1%
Vacant	13.4%
Single-family detached	74.9%
Large apartment buildings	0.0%
Mobile homes	23.5%
Median rooms	5.7
Avg household size (owned)	2.54

Year built

Era	%
2020 or later	0.0%
2010–2019	17.5%
2000–2009	24.2%
1990–1999	18.7%
1980–1989	12.4%
1970–1979	11.5%
1960–1969	4.1%
1950–1959	2.4%
1940–1949	0.4%
1939 or earlier	8.7%

Bedrooms

Size	% of units
No bedroom (studio)	6.8%
1 bedroom	6.0%
2 bedrooms	14.6%
3 bedrooms	57.1%
4 bedrooms	13.9%
5+ bedrooms	1.6%

Vehicles per household

Vehicles	% of households
No vehicle	2.0%
1 vehicle	21.6%
2 vehicles	15.6%
3 or more	60.8%

Heating fuel

Fuel type	%
Electricity	42.7%
Propane / LP gas	3.7%
Fuel oil	3.1%
Wood	47.4%

Households & families

Household type	Count	%
Married-couple family	343	52.9%
Cohabiting couple	111	17.1%
Male householder, no spouse	117	18.1%
Female householder, no spouse	77	11.9%
Households with children under 18	146	22.5%
Households with seniors (65+)	306	47.2%
Average household size	2.52

Marital status

Status	Male	Female
Never married	17.6%	9.4%
Married	48.9%	58.6%
Separated	0.6%	0.0%
Widowed	1.9%	21.2%
Divorced	31.0%	10.8%

Education

Less than 9th grade 1.0%

Some HS, no diploma 3.0%

HS graduate 47.7%

Some college, no degree 19.7%

Associate's degree 8.2%

Bachelor's degree 13.5%

Graduate / professional 7.0%

Metric	%
HS diploma or higher	96.0%
Bachelor's or higher	20.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	2	0.6%
Kindergarten	2	0.6%
Elementary school	267	73.8%
High school	61	16.9%
College / grad school	30	8.3%

Employment

Industry of employment

Education & healthcare 18.6%

Public administration 18.0%

Retail trade 11.8%

Manufacturing 10.8%

Other services 10.7%

Transportation & utilities 10.1%

Finance & real estate 9.4%

Agriculture & mining 4.7%

Arts, food & hospitality 2.8%

Construction 1.6%

Professional & management 1.6%

Occupation

Category	%
Management, business & arts	29.0%
Service	16.1%
Sales & office	19.5%
Natural resources & construction	23.4%
Production & transportation	12.1%

Employment type

Type	%
Private sector	65.5%
Government	25.1%
Self-employed	6.7%
Unpaid family workers	2.7%

Commute

Method	%
Drive alone	77.1%
Carpool	4.7%
Public transit	0.4%
Walk	3.3%
Work from home	13.2%
Other means	1.2%
Avg commute (minutes)	28.7

Poverty

All people 19.4%

Under 18 years 48.2%

18 and over 12.2%

Married-couple families 14.6%

Female-led households 0.0%

Income support

Source	% of households
Social Security	50.9%
Retirement income	28.1%
Supplemental Security	6.0%
Cash public assistance	3.4%
Food stamps / SNAP	12.8%

Health indicators

Condition	%
Obesity	31.9%
High blood pressure	33.9%
High cholesterol	33.6%
Diabetes	10.4%
Heart disease	7.5%
Stroke	3.6%
Asthma	11.2%
Arthritis	28.6%
Kidney disease	3.3%
Pulmonary disease	8.5%
Cancer	7.4%

Behavior / access	%
Smoking	18.7%
Binge drinking	16.1%
No physical activity	20.7%
Less than 7 hrs sleep	33.6%
Depression	25.9%
Fair or poor health	16.0%
Poor mental health	15.4%
Poor physical health	12.4%
No health insurance	10.6%
Visited doctor (checkup)	65.9%
Visited dentist	59.1%
Cholesterol screening	88.3%
Teeth loss	13.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	124	9.5%

Disability	%
Any disability	22.4%
Under 18	16.5%
18–64 years	20.3%
65 and over	32.2%

Health insurance coverage

Type	%
Private insurance	63.2%
Public insurance	53.3%
No insurance	5.1%
Uninsured under 19	2.5%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,610	98.5%
Spanish	10	0.6%
Other Indo-European	10	0.6%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,583	96.8%
Born in same state	1,579	96.6%
Born in different state	1,102	67.4%
Foreign born	4	0.2%
Naturalized citizen	52	3.2%
Not a US citizen	48	92.3%

Ancestry

Ancestry	Count	%
French	454	27.8%
Italian	190	11.6%
Polish	107	6.5%
Arab	57	3.5%

Ancestry	Count	%
English	48	2.9%
Dutch	32	2%
Norwegian	15	0.9%
Irish	4	0.2%

Technology access

Metric	% of households
Computer access	39.6%
Internet access	91.8%

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

Frequently asked questions about ZIP code 99101

What city is ZIP code 99101 in?

ZIP code 99101 is primarily assigned to Addy, Washington.

What county is ZIP code 99101 in?

ZIP code 99101 falls within Stevens County, Washington.

Does ZIP code 99101 have a large retiree population?

51% of households in ZIP code 99101 receive Social Security income, suggesting a significant retiree or disability population.

Is ZIP code 99101 mostly owner-occupied?

87% of occupied units in ZIP code 99101 are owner-occupied, well above the national average.

What is the poverty rate in ZIP code 99101?

19% of residents in ZIP code 99101 live below the poverty line, above the national average.

Does ZIP code 99101 have a large veteran population?

10% of civilians in ZIP code 99101 are veterans, above the national average of ~7%.

What timezone is ZIP code 99101 in?

ZIP code 99101 observes the PST timezone.