Residential delivery area · Washington
ZIP Code 99138: Inchelium, WA
ZIP code 99138 uses the postal name Inchelium, Washington and lies entirely in Ferry County (Census 2020 ZIP-county file). About 1,200 people live there (Census Bureau, ACS 2020-2024). Median household income is $50,833 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Inchelium (5%) and Twin Lakes (under 1%); 95% is outside any Census place.
- ACS2020-24
- Census2020
- ZBP2023
- IRS2022
- Town
- Inchelium · its only residential ZIP
- County
- Ferry County
- Census places
- Inchelium (5%) census-designated place; Twin Lakes (under 1%) census-designated place
- House district
- WA-5 119th Congress
- State
- Washington
- Time zone
- Pacific
- Land area
- 566.6 sq mi · 2 people per sq mi
Where is ZIP code 99138?
99138 centers on 48.231°, -118.391° and covers 566.6 square miles of land plus 31.2 of water. It borders 9 ZIP codes: 99137, 99131, 99140, 99167, 99129, 99147, 99166, 99141, 99122.
The map draws ZIP code areas only. For the streets inside 99138, 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 99138 compare with the rest of Ferry County?
| Measure | 99138 | In Ferry County | In WA |
|---|---|---|---|
| People (ACS 2020-2024) | 1,223 | 3rd of 9 | 404th of 605 |
| Median household income | $51k | not ranked | not ranked |
| Median home value | $218k | 3rd of 3 | 388th of 392 |
99138's median household income is not ranked: its 90% margin of error (±$16,363) is more than a quarter of the figure ($50,833). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
It is denser than 6% of 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 99138?
The 2020 Census counted 1,212 people in 99138; the ACS, which samples households over 2020-2024, estimates 1,223. Between the 2010 and 2020 censuses its population grew 0.2% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 1,223±123 (90% margin)
- 2020 Census count
- 1,212+0.2% since 2010 (1,209)
- Households
- 468
- Median age
- 44.6
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 99138?
Of the 1,223 people the ACS estimates in 99138, 22.7% are under 18 and 25.3% are 65 or older. The largest group by race and Hispanic origin is Other or two or more (70.2%), then White (not Hispanic) (25.5%).
- Under 1822.7%
- 18 to 6451.9%
- 65 and older25.3%
- Other or two or more70.2%
- White, not Hispanic25.5%
- Hispanic or Latino3.3%
- Black, not Hispanic0.7%
- Asian, not Hispanic0.4%
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 99138 earn?
Median household income is $50,833 (ACS 2020-2024). It is not measurably different from 2015-2019 ($47,346 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $50,833±$16,363
- Income per person
- $26,817
- Below the poverty line
- 23.7%
- Unemployed (of the labor force)
- 23.1%
- Adults 25+ with a bachelor's degree
- 21.9%
- Adjusted gross income per tax return, 2022
- $50,598490 returns; wages 73% 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 99138?
- Median home value (owners' estimate)
- $218,100
- Median gross rent
- $535
- Homes owned by their occupants
- 61.5%
- Housing units
- 670
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001).
What businesses are in 99138?
17 business establishments had a location in this ZIP code in 2023, 5 more than in 2018; the most are in transportation and warehousing (ZIP Code Business Patterns).
- Transportation and warehousing3
- Health care and social assistance3
- Accommodation and food services3
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 99138?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 99137 | Hunters | 495 | $51k | 13.9 mi |
| 99131 | Gifford | 127 | $35k | 14.4 mi |
| 99140 | Keller | 486 | $54k | 14.4 mi |
| 99167 | Rice | 871 | $70k | 17.2 mi |
| 99129 | Fruitland | 725 | $41k | 18.7 mi |
| 99147 | Lincoln | 214 | $84k | 25.9 mi |
| 99166 | Republic | 2,953 | $57k | 29.0 mi |
| 99141 | Kettle Falls | 5,626 | $58k | 35.1 mi |
| 99122 | Davenport | 4,046 | $82k | 38.5 mi |
| 99101 | Addy | 1,690 | $79k | 21.7 mi (near) |
| 99173 | Springdale | 1,623 | $60k | 27.9 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.