Grand Coulee, WA

Census ZIP code profile for Grand Coulee, WA — 1 ZIPs, total population 1,493. Median income, home value, education, commute, and demographics from the U.S. Census Bureau American Community Survey 2023 5-Year Estimates.

2026 data Public-data reference. official source

Source:

Grand Coulee, WA is covered by 1 USPS ZIP code serving a combined population of 1,493 according to Census ACS 5-Year Estimates. U.S. cities rarely map cleanly to a single ZIP — Grand Coulee splits its residents across 1 delivery areas, each with its own demographic and housing profile. The table below lists every ZIP by population, so you can see which neighborhoods carry the weight of the city total and which are smaller pockets of the same municipal boundary.

Aggregated across every ZIP in Grand Coulee, the median household income averages $68,854 and per-capita income averages $41,131. Poverty rate runs at 24.8% and unemployment at 5.3%. On housing, the average median home value is $229,900 with median rent of $591 per month, and 75.2% of occupied units are owner-occupied. These are arithmetic averages across the 1 ZIP — not population-weighted — so small ZIPs influence the headline numbers the same as large ones.

Use this city view to compare ZIPs inside Grand Coulee against each other rather than hunting for a single "city average." The Affordability Dashboard linked below combines these Census inputs with HUD Fair Market Rents, FBI crime data, and Department of Labor childcare costs into a graded scorecard for Grand Coulee as a whole, while individual ZIP pages show fine-grained household income, housing profile, education attainment, commute time, and nearby-ZIP benchmarks. Every field on this page is sourced directly from U.S. Census Bureau ACS 2023 5-Year Estimates — no estimates, no proprietary scoring, no editorial adjustment.

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1

ZIP Codes

1,493

Population

$68,854

Median Income

$229,900

Median Home Value

49.4

Median Age

How much do residents of Grand Coulee earn?

Median Household Income
$68,854
Per Capita Income
$41,131
Unemployment Rate
5.3%
Poverty Rate
24.8%

What does housing look like in Grand Coulee?

Median Home Value
$229,900
Median Rent
$591/mo
Owner Occupied
75.2%
Housing Units
731

Who lives in Grand Coulee?

Bachelor's Degree+
24.1%
High School+
43.4%
Foreign Born
0.6%

ZIP Codes in Grand Coulee, WA

ZIP Code Population Density Timezone
99133 1,493 4 America/Los_Angeles

Frequently Asked Questions

How many ZIP codes are in Grand Coulee, WA?
Grand Coulee, WA has 1 ZIP code with a combined population of 1,493, based on Census ACS 2023 data.
What is the median household income in Grand Coulee?
The average median household income across Grand Coulee, WA ZIP codes is $68,854. The poverty rate is 24.8%.
What is the cost of living in Grand Coulee?
The average median home value in Grand Coulee, WA is $229,900. Median rent is $591/month. 75.2% of homes are owner-occupied.

Source: U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2023). Verify with Census Bureau →

Source: HUD USPS Crosswalk (ZIP-to-county mapping) and Source: simplemaps.com (ZIP coordinates & timezones). Verify with HUD →

PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the U.S. Census Bureau American Community Survey (ACS). Consult a qualified professional before making decisions based on this data.