🇺🇸 United States ZIP Code

STANDARD

98585

Silver Creek

ZIP Code 98585 is a standard zip code serving Silver Creek, Silver Creek, Washington (WA), in Lewis County, United States. It has an estimated population of 655 with a median household income of $51,500. The area falls within the America/Los_Angeles timezone.

Median Household Income vs. National Average

Location

Country: 🇺🇸 United States
State / Province: Washington (WA)
County: Lewis
City: Silver Creek
Timezone: America/Los_Angeles

Coordinates

Latitude: 46.549100
Longitude: -122.475700

Geographic Details

Land Area: 22.17 mi²
Water Area: 2.06 mi²
Population Density: 30.0 people per mi² (30th percentile)
Bounding Box: 46.598019°N, 46.503109°S, -122.368339°E, -122.625727°W

With 655 residents spread across 22.17 square miles, this area has a population density of 30.0 people per square mile.

Demographics

655

Population

20th percentile

$51,500

Median Income

55th percentile

$206,900

Median Home Value

75th percentile

22.17 mi²

Land Area

The median household income in 98585 is $51,500, and the median home value is $206,900.

Housing

388

Total Units

286

Occupied Units

73.7%

Occupancy Rate

Similar ZIP Codes in Washington

ZIP codes with similar median household income in Washington.

98672

White Salmon

$52,783

98953

Zillah

$52,368

98645

Silverlake

$55,903

99148

Loon Lake

$47,612

99208

Spokane

$53,820

98831

Manson

$44,357

98498

Lakewood

$54,303

98802

East Wenatchee

$56,893

Frequently Asked Questions

What information is available for each ZIP code?

Each ZIP code page shows city, state, county, geographic coordinates, timezone, population, median household income, median home value, housing units, land area, population density, commute time, educational attainment, area codes, and ZIP code type (Standard, PO Box, or Unique).

What are the different types of ZIP codes?

There are three types of ZIP codes: Standard (residential and commercial delivery areas), PO Box (assigned to post office box sections), and Unique (assigned to a single high-volume address like a government agency or large company). Standard ZIP codes are the most common.

How often is ZIP code data updated?

ZIP code assignments are updated quarterly by the USPS. Demographic data comes from the US Census Bureau's American Community Survey (ACS), which releases new 5-year estimates annually. ZipFYI updates its data to reflect the latest available information.

What is population density and why does it matter?

Population density measures the number of people per square mile in a ZIP code area. It helps identify urban vs. rural areas, affects real estate values, impacts service availability, and is used in market analysis. Dense urban ZIP codes may have 50,000+ people per square mile.

How are ZIP code boundaries determined?

ZIP code boundaries are determined by the USPS based on mail delivery routes, not political or geographic boundaries. They follow carrier routes and may cross city, county, or even state lines. Boundaries can change when the USPS reorganizes delivery operations.

What does median household income tell me about a ZIP code?

Median household income is the middle value when all household incomes in a ZIP code are sorted. Half of households earn more and half earn less. It is a better indicator of typical earnings than average income, which can be skewed by very high or very low outliers.