Residential delivery area · Washington

ZIP Code 99003: Chattaroy, WA

ZIP code 99003 uses the postal name Chattaroy, Washington and lies entirely in Spokane County (Census 2020 ZIP-county file). About 4,800 people live there (Census Bureau, ACS 2020-2024). Median household income is $77,129 (Census Bureau, ACS 2020-2024). Its land lies outside any incorporated or census-designated place.

  • ACS2020-24
  • Census2020
  • FHFA2025
  • ZBP2023
  • IRS2022
9national area: Washington, Alaska, California, Hawaii, Oregon and 7 more
990sectional center: Spokane, WA (SCF 990)
03delivery area within it
Town
Chattaroy · its only residential ZIP
Metro area
Spokane-Spokane Valley, WA
House district
WA-5 119th Congress
Time zone
Pacific
Land area
76.2 sq mi · 63 people per sq mi

Where is ZIP code 99003?

99003 centers on 47.917°, -117.275° and covers 76.2 square miles of land plus 0.1 of water. It borders 4 ZIP codes: 99021, 99005, 99009, 99006.

99005 · Colbert99006 · Deer Park99009 · Elk99021 · Mead99003 · Chattaroy (this ZIP)990039900699021990099900599005 · Colbert99006 · Deer Park99009 · Elk99021 · Mead99003 · Chattaroy (this ZIP)990039900699021990099900599005 · Colbert99006 · Deer Park99009 · Elk99021 · Mead99003 · Chattaroy (this ZIP)9900399006990219900999005
Shaded by median household income, in national fifths (ACS 2020-2024); 99003 outlined. Census 2020 ZCTA boundaries. <$54.1k$98.1k+no figure

The map draws ZIP code areas only. For the streets inside 99003, open its center on OpenStreetMap.

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).

How does 99003 compare with the rest of Spokane County?

Rank of 99003 among the residential ZIP codes of its town, county and state (1 = the most; income and home value among ZIP codes of 1,000+ people living in households)
Measure99003In Spokane CountyIn WA
People (ACS 2020-2024)4,81028th of 48300th of 605
Median household income$77k19th of 34260th of 363
Median home value$428k15th of 33260th of 392

Its median household income is higher than in 58% of U.S. residential ZIP codes, and it is denser than 46% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).

How many people live in 99003?

The 2020 Census counted 5,302 people in 99003; the ACS, which samples households over 2020-2024, estimates 4,810. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.

People, ACS 2020-2024
4,810±815 (90% margin)
2020 Census count
5,302
Households
1,833
Median age
50.5

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).

Who lives in 99003?

Of the 4,810 people the ACS estimates in 99003, 16.3% are under 18 and 29.4% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (80.4%), then Other or two or more (10.6%).

  • Under 1816.3%
  • 18 to 6454.3%
  • 65 and older29.4%
Age of the people of 99003 (ACS 2020-2024, B01001)
  • White, not Hispanic80.4%
  • Other or two or more10.6%
  • Hispanic or Latino6.3%
  • Asian, not Hispanic1.9%
  • Black, not Hispanic0.8%
Race and Hispanic origin in 99003 (ACS 2020-2024, B03002); each person counted once

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.

What do households in 99003 earn?

Median household income is $77,129 (ACS 2020-2024), the 19th highest of the 34 ranked ZIP codes in Spokane County.

Median household income
$77,129±$12,186
Income per person
$42,583
Below the poverty line
9.0%
Unemployed (of the labor force)
1.8%
Adults 25+ with a bachelor's degree
21.2%
Adjusted gross income per tax return, 2022
$87,0892,660 returns; wages 66% of AGI (IRS)

Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).

What are homes worth in 99003?

FHFA's house price index for 99003, built from repeat sales and appraisals of the same homes, rose 101% from 2015 to 2025 and rose 38% from 2020 to 2025, and moved +0.3% in 2025.

Median home value (owners' estimate)
$428,200
Median gross rent
$907
Homes owned by their occupants
89.5%
Housing units
2,319
0 100 200 300 400 500 19902000201020202025 0 100 200 300 400 500 19902000201020202025 0 100 200 300 400 500 19902000201020202025
Index = 100 in 1990, the first year FHFA reports for 99003; 2025: 513.1. Annual, not seasonally adjusted; FHFA calls its ZIP-level indexes developmental.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.

What businesses are in 99003?

94 business establishments had a location in this ZIP code in 2023, 15 more than in 2018; the most are in construction (ZIP Code Business Patterns).

  • Construction38
  • Professional, scientific, and technical services10
  • Retail trade8
  • Accommodation and food services8
  • Administrative and support and waste management and remediation services6
  • Health care and social assistance6

Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).

Which ZIP codes are next to 99003?

ZIP codes that share a boundary with 99003, then the nearest by center
ZIPTownPeopleHousehold incomeDistance
99021Mead8,942$86k6.2 mi
99005Colbert10,815$126k6.5 mi
99009Elk4,506$82k7.6 mi
99006Deer Park16,177$72k11.0 mi
99217Spokane21,441$74k12.2 mi (near)
99208Spokane58,669$89k12.2 mi (near)
99025Newman Lake5,668$119k12.6 mi (near)
99218Spokane16,897$81k12.6 mi (near)

Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.