Postal Codes

99357 ZIP Code

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ZIP code 99357 covers Royal City, Washington, with a population of about 3,550 and a median household income of $69,120.

Population
3,55016 per square mile
Median age
27.611.1 points below the US average
Median household income
$69,12027% below the Washington median
Poverty rate
23.6%11.2 points above the US average
Typical home value
$354,300up 11% in five years
Median rent
$75955% below the Washington median
Degree or higher
14.8%20.2 points below the US average
Homeownership
64.8%about the US average
Time zone
Pacific UTC-08:00observes daylight saving time
Businesses
77

Where 99357 is

Royal City, Washington — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population3,550
Median age27.6
Family households84.3%
Born outside the US33.3%
Speaks a language other than English at home66.2%
White (non-Hispanic)24.8%
Black (non-Hispanic)0.8%
Asian (non-Hispanic)0%
Hispanic or Latino73.4%
Veterans3.8%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$69,120
Income per person$24,177
Poverty rate23.6%
Households on SNAP or cash assistance20.7%

Household income distribution

Under $10k4.1%
$10–15k4.4%
$15–20k3.0%
$20–25k1.0%
$25–30k4.3%
$30–35k6.7%
$35–40k4.0%
$40–45k8.3%
$45–50k1.7%
$50–60k5.8%
$60–75k8.8%
$75–100k13.5%
$100–125k8.1%
$125–150k11.1%
$150–200k11.4%
$200k or more3.9%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed2,890
Mean adjusted gross income$44,647
Returns declaring $200,000 or more1.7%
Returns, under $25k41.5%
Returns, $25k–$50k33.6%
Returns, $50k–$75k12.1%
Returns, $75k–$100k5.5%
Returns, $100k–$200k5.5%
Returns, $200k or more1.7%
Housing

American Community Survey 2019–2023 five-year estimates

Median gross rent$759
Rent as a share of household income22.3%
Owner-occupied64.8%
Vacant homes19.1%
Median year built1992

What the homes are

Detached house37.3%
2 to 4 units6.8%
5 to 19 units2.8%
20 or more units1.3%
Mobile home51.7%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$354,300as of 2026-07
Typical home value, 1 yearup 2.1%
Typical home value, 5 yearsup 11%
Typical home value since 2000
201720212026$354,300$205,544

$205,544 in 2017 to $354,300 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate7.8%
Bachelor's degree or higher14.8%
High school diploma or higher56.1%
Works from home15.6%
Drives to work alone58.4%
Takes public transport8.5%
Commutes 45 minutes or more6.5%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity42.1% 8.7 pts above the national average of 33.4%
Diagnosed diabetes12% same as the national average of 12%
Currently smokes14% 0.8 pts above the national average of 13.2%
High blood pressure29.2% 4.9 pts below the national average of 34.1%
Fair or poor general health30.8% 10.5 pts above the national average of 20.3%
No health insurance (18–64)31.8% 20.5 pts above the national average of 11.3%
Depression21.9% same as the national average of 21.9%
No leisure-time physical activity32.3% 6.9 pts above the national average of 25.4%
Arthritis19.5% 5.6 pts below the national average of 25.1%
Binge drinking18.4% 2.4 pts above the national average of 16%
Taking blood pressure medication63.3% 11.4 pts below the national average of 74.7%
Cancer (non-skin)4.3% 3.4 pts below the national average of 7.7%
Current asthma10.1% same as the national average of 10.4%
Coronary heart disease5.6% 0.6 pts below the national average of 6.2%
Routine check-up in past year63.8% 12.9 pts below the national average of 76.7%
Cholesterol screening71.9% 14 pts below the national average of 85.9%
Cognitive disability22% 7.2 pts above the national average of 14.8%
Colorectal screening46.5% 17.8 pts below the national average of 64.3%
COPD5.6% 1 pts below the national average of 6.6%
Visited a dentist42.7% 18.6 pts below the national average of 61.3%
Any disability38.5% 7.8 pts above the national average of 30.7%
Hearing disability7% same as the national average of 6.7%
High cholesterol31% 5.2 pts below the national average of 36.2%
Independent living disability10.7% 2.3 pts above the national average of 8.4%
Mammography use63.6% 12.3 pts below the national average of 75.9%
Poor mental health (14+ days)18.9% 2.1 pts above the national average of 16.8%
Mobility disability15% 1 pts above the national average of 14%
Poor physical health (14+ days)16.5% 3 pts above the national average of 13.5%
Self-care disability5.5% 1.5 pts above the national average of 4%
Sleeps under 7 hours35.5% 0.9 pts below the national average of 36.4%
Stroke3.1% same as the national average of 3.4%
All natural teeth lost19.3% 6.3 pts above the national average of 13%
Vision disability9.3% 3.7 pts above the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments77
People employed974
Annual payroll$44,929,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 43.1% of US census tracts
FEMA ratingRelatively Low to Relatively Moderate across the 5 census tracts this ZIP code covers
Expected annual loss30.8 out of 100
Community resilience4 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Wildfire96Relatively High at its worst in this ZIP code
Volcanic activity90.5Relatively Low at its worst in this ZIP code
Cold wave87.6Very High at its worst in this ZIP code
Drought82.3Relatively Low at its worst in this ZIP code
Landslide79.3Relatively Low at its worst in this ZIP code
Earthquake74.4Relatively Moderate at its worst in this ZIP code
Heat wave72Relatively High at its worst in this ZIP code
Hail68.5Relatively Moderate at its worst in this ZIP code
Winter weather59.4Relatively Moderate at its worst in this ZIP code
Avalanche51.2Very Low at its worst in this ZIP code
Strong wind40.4Relatively Low at its worst in this ZIP code
River flooding36.7Relatively High at its worst in this ZIP code
Lightning27.5Relatively Low at its worst in this ZIP code
Tornado9Very Low at its worst in this ZIP code
Ice storm2.7Very Low at its worst in this ZIP code
Compared with Washington and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPWashingtonUnited States
Median household income$69,120$94,952$78,538
Income per person$24,177$51,493$43,289
Poverty rate23.6%9.9%12.4%
Median home value$519,800$303,400
Median gross rent$759$1,682$1,348
Homeownership64.8%63.9%65%
Bachelor's degree or higher14.8%38.8%35%
Unemployment rate7.8%5%5.2%
Works from home15.6%17.7%13.5%
Born outside the US33.3%15.1%13.9%
Median age27.638.238.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationSMYRNA, WA US10.8 km away

Average high and low by month

January40.4°F / 25.5°F
February48°F / 27.6°F
March58.2°F / 32.8°F
April66.6°F / 38.9°F
May77°F / 46.3°F
June83.8°F / 54.5°F
July92.9°F / 59.2°F
August91.7°F / 57.5°F
September82°F / 48.6°F
October66.6°F / 38.5°F
November49.8°F / 30.5°F
December39.6°F / 25.7°F
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarket100% of this ZIP code's area
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

Royal School District100% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability77more vulnerable than 77% of US census tracts
Socioeconomic status64more vulnerable than 64% of US census tracts
Household characteristics61more vulnerable than 61% of US census tracts
Racial and ethnic minority status81more vulnerable than 81% of US census tracts
Housing type and transport85more vulnerable than 85% of US census tracts
Walkability3.8 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

99349 Mattawa, WA25.4 km away
99321 Beverly, WA26.2 km away
98824 George, WA27.9 km away
98950 Vantage, WA31.1 km away
98837 Moses Lake, WA33.2 km away
98848 Quincy, WA37.2 km away
98823 Ephrata, WA40.4 km away
98857 Warden, WA40.6 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Grant County100% of this ZIP code's land area
Time zonePacific (UTC-08:00 standard)
Daylight saving timeObserved
Land area217.23 sq mi
Water area0.98 sq mi
Population density16 people per sq mi
Latitude, longitude46.9156, -119.5815

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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