Royal City ZIP Codes — Grant County, WA

There is one unique ZIP code in Royal City, Washington and it is 99357. Area code: 509.

ZIP codes

217.23

sq mi land

0.98

sq mi water

509

area code

Royal City, WA ZIP code map

About Royal City, WA

Royal City, Washington, is a small yet vibrant community located in Grant County. Known for its picturesque landscapes and agricultural roots, the city offers a unique blend of rural charm and modern amenities. With a rich cultural heritage, Royal City serves as a hub for local agriculture and provides residents with a peaceful lifestyle amidst the natural beauty of the Pacific Northwest.

Location & geography

Royal City is situated in central Washington, approximately 30 miles west of Moses Lake and 25 miles southeast of Quincy. The city covers a total land area of 217.23 square miles, with a modest water area of 0.98 square miles. The region is characterized by rolling hills and vast farmland, reflecting its agricultural significance.

Community & economy

The community of Royal City is tightly knit, with a friendly atmosphere that welcomes newcomers and fosters long-term relationships among residents. The local economy is primarily driven by agriculture, with many residents engaged in farming and related industries. Daily life here includes community events, local markets, and outdoor activities that highlight the area's natural beauty.

Transportation

Royal City is accessible via State Route 26, which connects the city to nearby towns and larger highways. The nearest major airport is the Grant County International Airport, located approximately 30 miles away in Moses Lake. Public transit options are limited, but residents often rely on personal vehicles for commuting.

History

Founded in the early 20th century, Royal City was established as an agricultural settlement primarily due to the surrounding fertile land. Key industries have always revolved around farming, which continues to shape the community today. Notable events in the city’s history include the establishment of the local school district and various annual agricultural fairs that celebrate its heritage.

Did you know?

One surprising fact about Royal City is its significant involvement in the Columbia Basin Project, which helped transform the area's agriculture by providing irrigation and water resources. Additionally, Royal City is known for its annual events that celebrate local culture and farming traditions.

ZIP codes for Royal City, WA (1)

ZIP code	City	County	Map
99357	Royal City	Grant	View map

Demographics & statistics

3,973

Population

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

$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%
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	%
High blood pressure	27.6%
High cholesterol	28.8%
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	%
Binge drinking	16.6%
No physical activity	31.7%
Less than 7 hrs sleep	32.0%
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%
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

What ZIP codes does Royal City, WA have?

Royal City, WA has one ZIP code: 99357. Each ZIP code serves a distinct delivery area within the city and surrounding region.