Clayton, WA · standard
ZIP Code 99110
Stevens County, Washington - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 1,667
- 17/sq mi Moderate-density area
- $76,106
- Median income Near-median income area
- $453,100
- Median home value Above-median home value
- 22.5%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
Clayton pairs an above-median household income with upper-quartile home values, in a rural, homeowner-dominated area.
- Top 43%
- household income, US ZIPs
- Top 16%
- home value, US ZIPs
- 17
- people per sq mi
- 82%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 99110 against every reporting US ZIP.
ZIP code 99110 covers 97.5 square miles in Clayton, Stevens County, Washington (a standard USPS delivery area), with a modest 1,667 residents on file, a density of 17 people per square mile, in the Los Angeles time zone.
ZIP 99110 lands in the middle-income range, with a median household income of $76,106 (16% below the average Washington ZIP), while per-capita income is $34,834. Both reported hardship measures are comparatively low in absolute terms: poverty is 2.3% and unemployment is 0.0%. Median home value is $453,100 (11% below the average Washington ZIP) and median rent is $954; 81.5% of occupied homes are owner-occupied.
Educational attainment sits below the national norm: 22.5% of adults hold a bachelor's degree or higher, the median age is 32.4, and the average commute is -. The page also surfaces 2 ZIP codes within roughly 10 miles and 6 more in Stevens County, so 99110 can be compared with both its immediate and county-level context.
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 99110
Top 5 sectors by establishment count in Clayton, WA
Which industries have the most business establishments in ZIP 99110.
- Construction
Construction
8 establishments
- Administrative and support and waste management and remediation services
Administrative and support and waste management and remediation services
5 establishments
- Agriculture, forestry, fishing and hunting
Agriculture, forestry, fishing and hunting
4 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
4 establishments
- Other services (except public administration) 3
Other services (except public administration)
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 99110, Clayton, 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
1,667
Population
97.5
Area (sq mi)
17
People / sq mi
Los Angeles
Time Zone
standard
ZIP Type
Who lives in ZIP 99110?
32.4
Median Age
49.4%
Male
50.6%
Female
0.0%
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?
$76,106
Median Household Income
-16% vs state ZIP avg
$34,834
Per Capita Income
2.3%
Poverty Rate
0.0%
Unemployment Rate
How ZIP 99110 ranks among Washington ZIPs
Clayton, WA household income vs. every Washington ZIP code
Median household income among 547 reporting Washington ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$76,106 38th percentile higher than 38% of 547 Washington ZIPs
Each bar is a $20K-wide band; taller bars hold more Washington ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
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
601housing units
601
Total Housing Units
573
Occupied Units
28
Vacant Units
2.63
Avg Household Size
Occupancy Type
$453,100
Median Home Value
-11% vs state ZIP avg
$954
Median Rent
1996
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
+19.5%
YoY Change (2022)
444
HPI Index (2000 = 100)
+344%
Total Change Since 2000
Home values in ZIP 99110 have increased 19.5% over the past year (2022). Since 2000, this ZIP has seen +344% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2018 | +8.0% | 243 |
| 2019 | +9.4% | 265 |
| 2020 | +7.3% | 285 |
| 2021 | +30.6% | 372 |
| 2022 | +19.5% | 444 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2022. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 35 business establishments in ZIP 99110, employing approximately 91 people with a combined annual payroll of $4,886,000.
35
Businesses
91
Employees
$4.9M
Annual Payroll
5
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 8 | 22.9% |
| Administrative and support and waste management and remediation services | 5 | 14.3% |
| Agriculture, forestry, fishing and hunting | 4 | 11.4% |
| Professional, scientific, and technical services | 4 | 11.4% |
| Other services (except public administration) | 3 | 8.6% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 99110 vs 99006 →
ZIP 99110 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 99006
Deer Park (99006)
11,946 residents
- 99148 2,106
Loon Lake (99148)
2,106 residents
- 99110 1,667
Clayton (99110)
1,667 residents
What this shows Among its immediate neighbors, ZIP 99110 ranks #3 by population - useful context the national average alone can't give.
ZIP 99110 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 99110
Clayton (99110)
$76,106 median income
- 99006
Deer Park (99006)
$72,200 median income
- 99148
Loon Lake (99148)
$67,431 median income
What this shows By household income, ZIP 99110 ranks the highest of 3 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 99110, 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 (1,667 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Stevens County
Related Areas
Frequently Asked Questions
What county is ZIP code 99110 in?
ZIP code 99110 (Clayton) is located in Stevens County, Washington. Stevens County contains multiple ZIP codes, see the full list at /counties/stevens-wa.
What is the population of ZIP code 99110?
ZIP code 99110 in Clayton, WA has a population of 1,667 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 99110?
The median household income in ZIP 99110 is $76,106, which is 0% below the national average of $76,288.
What is the average home value in ZIP 99110?
The median home value in ZIP 99110 is $453,100, which is 63% above the national average of $278,155.
What is the demographic makeup of ZIP 99110?
The largest racial group in ZIP 99110 is White at 92.0%. Hispanic or Latino residents make up 1.0% of the population.
How many businesses are in ZIP code 99110?
ZIP code 99110 has 35 business establishments employing approximately 91 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 99110?
The top industries by establishment count in ZIP 99110 are: Construction (8), Administrative and support and waste management and remediation services (5), Agriculture, forestry, fishing and hunting (4). There are 5 industry sectors represented in total.
How have home values changed in ZIP code 99110?
According to the FHFA House Price Index, home values in ZIP 99110 increased by 19.5% in 2022. Since 2000, home values in this ZIP have appreciated by approximately 344%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 99110?
In ZIP code 99110, 57.7% of residents aged 25+ have a high school diploma or higher, and 22.5% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 99110?
In ZIP code 99110, approximately 81.5% of occupied housing units are owner-occupied and 18.5% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 99110?
The poverty rate in ZIP code 99110 is 2.3% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 99110's numbers, next.
- See how ZIP 99110 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Clayton, WA ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.