99357 ZIP Code — Royal City, WA

Grant County, Washington

ZIP code 99357 is located in Royal City, Washington, within Grant County. It covers approximately 217.23 square miles and serves a population of 3,973 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 509.

About ZIP code 99357

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 $203,800. Owner-occupancy sits near the national average at 59%.

Median household income is $65,833. Poverty affects 20% of residents, above the national average. SNAP benefit usage at 18% of households reflects economic stress in the area.

The dominant occupation class is natural resources, construction, and trades, with agriculture and mining as the leading industry. The average commute of 15 minutes is near the national average.

College attainment at 10% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of smoking (21%) compared to national benchmarks. 21% of residents lack health insurance, above the national average.

Notable community characteristics include Spanish spoken in 43% of households.

Overall, ZIP code 99357 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, and elevated reliance on food assistance.

3,973

population

217.23

sq mi land

Standard

ZIP type

Pacific (PT)

timezone

99357 ZIP code map

Cities in ZIP code 99357

Below are the cities the US Postal Service accepts for ZIP code 99357. Using any city not on this list may result in mail delivery delays.

City	Status
Royal City	Preferred

Nearby ZIP codes

99321 Beverly (12.2 mi)

Demographics updated 06/2026

Population
Total population	3,973
Population density	18 / sq mi
State FIPS	53
County FIPS	025

Geography
Land area	217.23 sq mi
Water area	0.98 sq mi
Latitude	46.9222
Longitude	-119.6797
Timezone	Pacific (PT)
Area code	509

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	44.1%	42.1%	31.7%
$50k – $100k	36.7%	34.5%	30.6%
$100k – $200k	18.4%	19.6%	27.1%
Over $200k	0.7%	3.7%	10.6%

Demographics & statistics

3,973

Population

People per sq mi

26.2

Median age

$65,833

Median household income

$21,781

Per capita income

$203,800

Median home value

$741

Median monthly rent

58.6%

Home ownership

19.9%

Poverty rate

5.5%

Unemployment

780

Housing units

10.3%

Bachelor's or higher

Age distribution

Male Female

167

Under 5

152

214

5–9

194

255

10–14

232

214

15–19

194

130

20–24

119

345

25–34

314

320

35–44

291

209

45–54

191

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,477	37.2%
18 and over	2,496	62.8%
65 and over	151	3.8%
Median age	26.2 years

Race & ethnicity

Hispanic or Latino 38.4%

Other race 31.5%

White 22.7%

Two or more races 6.9%

American Indian / Alaska Native 0.5%

Group	Count	%
Hispanic or Latino	2,479	38.4%
Other race	2,035	31.5%
White	1,464	22.7%
Two or more races	444	6.9%
American Indian / Alaska Native	30	0.5%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	44.1%	42.1%	31.7%
$50k – $100k	36.7%	34.5%	30.6%
$100k – $200k	18.4%	19.6%	27.1%
Over $200k	0.7%	3.7%	10.6%

$10k–$15k 2.2%

$15k–$25k 6.0%

$25k–$35k 12.9%

$35k–$50k 17.9%

$50k–$75k 18.9%

$75k–$100k 10.6%

$100k–$150k 15.9%

$150k–$200k 10.0%

$200k+ 5.6%

Range	% of households
$10k–$15k	2.2%
$15k–$25k	6.0%
$25k–$35k	12.9%
$35k–$50k	17.9%
$50k–$75k	18.9%
$75k–$100k	10.6%
$100k–$150k	15.9%
$150k–$200k	10.0%
$200k+	5.6%
Median income	$65,833

Housing

Home values

Under $50k 22.7%

$50k–$100k 5.6%

$100k–$150k 11.5%

$150k–$200k 9.3%

$200k–$300k 11.2%

$300k–$500k 36.8%

$500k–$1M 1.5%

$1M+ 1.4%

Housing overview

Metric	Value
Median home value	$203,800
Median rent / month	$741
Owner occupied	58.6%
Renter occupied	41.4%
Vacant	15.9%
Single-family detached	36.9%
Large apartment buildings	1.4%
Mobile homes	47.9%
Median rooms	5.1
Avg household size (owned)	3.68

Year built

Era	%
2020 or later	0.0%
2010–2019	16.2%
2000–2009	15.8%
1990–1999	19.6%
1980–1989	8.5%
1970–1979	23.8%
1960–1969	6.9%
1950–1959	9.1%
1940–1949	0.0%
1939 or earlier	0.0%

Bedrooms

Size	% of units
No bedroom (studio)	3.8%
1 bedroom	2.2%
2 bedrooms	32.4%
3 bedrooms	41.0%
4 bedrooms	14.5%
5+ bedrooms	6.3%

Vehicles per household

Vehicles	% of households
No vehicle	0.3%
1 vehicle	20.9%
2 vehicles	40.8%
3 or more	38.1%

Heating fuel

Fuel type	%
Utility gas	1.4%
Electricity	94.9%
Propane / LP gas	0.9%

Households & families

Household type	Count	%
Married-couple family	655	65.1%
Cohabiting couple	78	7.8%
Male householder, no spouse	179	17.8%
Female householder, no spouse	94	9.3%
Households with children under 18	602	59.8%
Households with seniors (65+)	117	11.6%
Average household size	3.76

Marital status

Status	Male	Female
Never married	35.8%	34.3%
Married	54.4%	55.8%
Separated	3.9%	4.6%
Widowed	2.0%	1.4%
Divorced	3.9%	4.0%

Education

Less than 9th grade 30.8%

Some HS, no diploma 19.7%

HS graduate 18.4%

Some college, no degree 17.0%

Associate's degree 3.7%

Bachelor's degree 8.7%

Graduate / professional 1.7%

Metric	%
HS diploma or higher	49.4%
Bachelor's or higher	10.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	7	0.5%
Kindergarten	180	14.0%
Elementary school	660	51.2%
High school	318	24.7%
College / grad school	123	9.5%

Employment

Industry of employment

Agriculture & mining 42.4%

Education & healthcare 15.0%

Manufacturing 11.2%

Transportation & utilities 7.2%

Other services 7.1%

Retail trade 4.0%

Arts, food & hospitality 4.0%

Construction 3.4%

Wholesale trade 1.9%

Finance & real estate 1.9%

Professional & management 1.4%

Information 0.5%

Occupation

Category	%
Management, business & arts	25.8%
Service	8.3%
Sales & office	10.2%
Natural resources & construction	35.1%
Production & transportation	20.7%

Employment type

Type	%
Private sector	82.1%
Government	16.0%
Self-employed	1.9%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	65.7%
Carpool	12.5%
Public transit	5.0%
Walk	2.2%
Work from home	13.2%
Other means	1.4%
Avg commute (minutes)	14.9

Poverty

All people 19.9%

Under 18 years 25.0%

18 and over 16.9%

Married-couple families 9.6%

Female-led households 53.3%

Income support

Source	% of households
Social Security	12.5%
Retirement income	13.0%
Supplemental Security	2.8%
Cash public assistance	0.9%
Food stamps / SNAP	18.2%

Health indicators

Condition	%
Obesity	36.0%
High blood pressure	27.6%
High cholesterol	28.8%
Diabetes	10.9%
Heart disease	5.0%
Stroke	2.8%
Asthma	11.4%
Arthritis	17.2%
Kidney disease	2.9%
Pulmonary disease	6.0%
Cancer	3.5%

Behavior / access	%
Smoking	20.6%
Binge drinking	16.6%
No physical activity	31.7%
Less than 7 hrs sleep	32.0%
Depression	23.9%
Fair or poor health	24.0%
Poor mental health	18.7%
Poor physical health	14.0%
No health insurance	34.5%
Visited doctor (checkup)	62.9%
Visited dentist	48.1%
Cholesterol screening	76.6%
Teeth loss	21.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	62	2.5%

Disability	%
Any disability	4.6%
Under 18	2.3%
18–64 years	4.1%
65 and over	33.8%

Health insurance coverage

Type	%
Private insurance	39.4%
Public insurance	41.7%
No insurance	20.6%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	3,654	92.0%
Spanish	1,579	43.2%
Other Indo-European	1,579	43.2%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	2,451	61.7%
Born in same state	2,426	61.1%
Born in different state	1,943	48.9%
Foreign born	25	0.6%
Naturalized citizen	1,522	38.3%
Not a US citizen	240	15.8%

Ancestry

Ancestry	Count	%
French	217	5.5%
Dutch	103	2.6%
English	82	2.1%

Ancestry	Count	%
Arab	62	1.6%
Italian	31	0.8%
Polish	30	0.8%

Technology access

Metric	% of households
Computer access	25.3%
Internet access	98.1%

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

Frequently asked questions about ZIP code 99357

What city is ZIP code 99357 in?

ZIP code 99357 is primarily assigned to Royal City, Washington.

What county is ZIP code 99357 in?

ZIP code 99357 falls within Grant County, Washington.

Is Spanish widely spoken in ZIP code 99357?

Approximately 43% of households in ZIP code 99357 speak Spanish as a primary language.

Is ZIP code 99357 family-oriented?

37% of residents in ZIP code 99357 are under 18, reflecting a younger, family-oriented community.

How educated is the population of ZIP code 99357?

10% 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 poverty rate in ZIP code 99357?

20% of residents in ZIP code 99357 live below the poverty line, above the national average.

What timezone is ZIP code 99357 in?

ZIP code 99357 observes the PST timezone.