Residential delivery area · Washington
ZIP Code 99001: Airway Heights, WA
ZIP code 99001 is in Airway Heights, Washington, entirely in Spokane County (Census 2020 ZIP-county file). About 9,400 people live there (Census Bureau, ACS 2020-2024). Median household income is $62,518 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Airway Heights (63%) and Spokane (23%); 14% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Airway Heights · its only residential ZIP
- County
- Spokane County
- Census places
- Airway Heights (63%); Spokane (23%)
- Metro area
- Spokane-Spokane Valley, WA
- House district
- WA-5 119th Congress
- State
- Washington
- Time zone
- Pacific
- Land area
- 8.0 sq mi · 1,187 people per sq mi
Where is ZIP code 99001?
99001 centers on 47.639°, -117.586° and covers 8.0 square miles of land. It borders 3 ZIP codes: 99224, 99011, 99022.
The map draws ZIP code areas only. For the streets inside 99001, 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 99001 compare with the rest of Spokane County?
| Measure | 99001 | In Spokane County | In WA |
|---|---|---|---|
| People (ACS 2020-2024) | 9,440 | 20th of 48 | 238th of 605 |
| Median household income | $63k | 30th of 34 | 331st of 363 |
| Median home value | $346k | 27th of 33 | 324th of 392 |
Its median household income is higher than in 34% of U.S. residential ZIP codes, and it is denser than 80% 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 99001?
The 2020 Census counted 8,859 people in 99001; the ACS, which samples households over 2020-2024, estimates 9,440. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 9,440
- 2020 Census count
- 8,859
- Households
- 2,804
- Median age
- 32.6
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 99001?
Of the 9,440 people the ACS estimates in 99001, 25.1% are under 18 and 8.8% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (57.2%), then Other or two or more (21.0%).
- Under 1825.1%
- 18 to 6466.0%
- 65 and older8.8%
- White, not Hispanic57.2%
- Other or two or more21.0%
- Hispanic or Latino10.8%
- Black, not Hispanic6.3%
- Asian, not Hispanic4.6%
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 99001 earn?
Median household income is $62,518 (ACS 2020-2024), the 30th highest of the 34 ranked ZIP codes in Spokane County.
- Median household income
- $62,518±$11,672
- Income per person
- $26,972
- Below the poverty line
- 22.6%
- Unemployed (of the labor force)
- 11.9%
- Adults 25+ with a bachelor's degree
- 14.1%
- Adjusted gross income per tax return, 2022
- $51,4703,410 returns; wages 81% 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 99001?
FHFA's house price index for 99001, built from repeat sales and appraisals of the same homes, rose 139% from 2015 to 2025 and rose 51% from 2020 to 2025, and moved +16.2% in 2025.
- Median home value (owners' estimate)
- $346,200
- Median gross rent
- $1,357
- Homes owned by their occupants
- 32.1%
- Housing units
- 3,010
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 99001?
171 business establishments had a location in this ZIP code in 2023, 32 more than in 2018; the most are in accommodation and food services (ZIP Code Business Patterns).
- Accommodation and food services29
- Construction20
- Other services (except public administration)20
- Retail trade17
- Wholesale trade13
- Administrative and support and waste management and remediation services13
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 99001?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 99224 | Spokane | 24,919 | $81k | 2.4 mi |
| 99011 | Fairchild Air Force Base | 2,931 | $70k | 3.2 mi |
| 99022 | Medical Lake | 8,767 | $94k | 6.3 mi |
| 99014 | Four Lakes | 17 | – | 5.4 mi (near) |
| 99020 | Marshall | 16 | – | 6.7 mi (near) |
| 99201 | Spokane | 15,829 | $41k | 7.1 mi (near) |
| 99204 | Spokane | 7,643 | $58k | 7.4 mi (near) |
| 99205 | Spokane | 43,169 | $77k | 7.7 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.