Royal City, WA 99357 ZIP Code Profile

Related Place Profiles:
Royal City, WA

ZIP Code 99357: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Royal City, WA 99357

  • ZIP Code Type: STANDARD
  • County: Grant County
  • Centroid: Latitude 46.912, Longitude -119.57
  • Time Zone: Pacific Time Zone (UTC -8 hours)
  • Observes DST: Yes
  • Businesses Addresses: 93
  • PO Box Addresses: 956
  • Residential Addresses: 415
    • Multi-Family Addresses: 0
    • Single Family Addresses: 415

The ZIP Code maps and database are updated 4 times per year.
Database updated: May 1, 2018, Maps updated: February 1, 2018.

EXTREMELY LOCAL Demographic Data

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99357 ZIP Code Map

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Royal City, WA 99357 Data & Demographics (As of July 1, 2017)


Total Population 4,609
Daytime Population: Workers 2,230
Daytime Population: Residents 2,663
Total Daytime Population (TDP) 4,893
Ratio TDP/Total Population1 1.06
Population in Households 4,529
Population in Familes 4,018
Population in Group Qrtrs 80
Population Density2 18
Diversity Index3 81


Median Household Income $39,653
Average Household Income $52,415
Per Capita Income $13,812


Total Housing Units 1,364 (100%)
Owner Occupied HU 526 (38.6%)
Renter Occupied HU 661 (48.5%)
Vacant Housing Units 177 (13.0%)
Median Home Value $121,101
Average Home Value $149,477


Total Households 1,187
Average Household Size 3.82
Family Households 1,015
Average Family Size 4
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 0.28% 0.35%
Households 0.19% 0.3%
Families 0.21% 0.29%
Median Household Income   3.84%
Per Capita Income   3.57%

Royal City, WA 99357 - Peer Comparisons by Rank and Percentile

The table below compares 99357 to the other 585 ZIP Codes in Washington by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 300 49th
Population Density # 416 29th
Diversity Index # 20 97th
Median Household Income # 519 11th
Per Capita Income # 565 4th

Additional comparisons and rankings can be made with a VERY EASY TO USE Washington Census Data Comparison Tool.

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