Inchelium, WA · standard
ZIP Code 99138
Ferry County, Washington - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 1,209
- 1/sq mi
- $50,833
- Median income
- $218,100
- Median home value
- 21.9%
- Bachelor's or higher
National ZIP placement
Inchelium pairs one of the lowest household incomes in the country with below-median home values, in a rural, homeowner-dominated area.
- 15th pct
- household income, US ZIPs
- 49th pct
- home value, US ZIPs
- 1
- people per sq mi
- 62%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 99138 against every reporting US ZIP.
ZIP code 99138 is a sparsely populated ZIP (a standard USPS delivery area) in Inchelium, Ferry County, Washington, home to just 1,209 residents across 1343.3 square miles, a density of 1 people per square mile, in the Los Angeles time zone.
ZIP 99138 reports a modest median household income of $50,833 (44% below the average Washington ZIP), while per-capita income is $26,817. Economic pressure is pronounced: 23.7% of residents are below the poverty line and unemployment is 23.1%. Home values sit below the statewide ZIP benchmark: the median is $218,100 (57% below the average Washington ZIP), and median rent is $535; owner occupancy is 61.5%.
Educational attainment sits below the national norm: 21.9% of adults hold a bachelor's degree or higher, the median age is 44.6, and the average commute is -. No nearby ZIP peer set is available for this delivery area, so the Washington and national benchmarks above are the appropriate context for 99138.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 99138
Top 5 sectors by establishment count in Inchelium, WA
Which industries have the most business establishments in ZIP 99138.
- Transportation and warehousing
Transportation and warehousing
3 establishments
- Health care and social assistance
Health care and social assistance
3 establishments
- Accommodation and food services
Accommodation and food services
3 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 99138, Inchelium, WA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
1,209
Population
1343.3
Area (sq mi)
1
People / sq mi
Los Angeles
Time Zone
standard
ZIP Type
Who lives in ZIP 99138?
44.6
Median Age
57.2%
Male
42.8%
Female
1.6%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$50,833
Median Household Income
-44% vs state ZIP avg
$26,817
Per Capita Income
23.7%
Poverty Rate
23.1%
Unemployment Rate
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
670housing units
670
Total Housing Units
468
Occupied Units
202
Vacant Units
2.60
Avg Household Size
Occupancy Type
$218,100
Median Home Value
-57% vs state ZIP avg
$535
Median Rent
1979
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 17 business establishments in ZIP 99138, employing approximately 72 people with a combined annual payroll of $2,927,000.
17
Businesses
72
Employees
$2.9M
Annual Payroll
3
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Transportation and warehousing | 3 | 17.6% |
| Health care and social assistance | 3 | 17.6% |
| Accommodation and food services | 3 | 17.6% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 99138, both outside WA so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (1,209 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.