Clarkston, WA · standard
ZIP Code 99403
Asotin County, Washington - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 19,548
- 49/sq mi Moderate-density area
- $71,482
- Median income Near-median income area
- $325,300
- Median home value Above-median home value
- 25.0%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
Clarkston pairs a below-median household income with above-median home values, in a rural, homeowner-dominated area.
- 49th pct
- household income, US ZIPs
- Top 30%
- home value, US ZIPs
- 49
- people per sq mi
- 72%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 99403 against every reporting US ZIP.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 99403 (Clarkston, WA) rose +4.6% from 2023 to 2024. The all-transactions index moved from 308.0 in 2023 to 322.2 in 2024 (2000 = 100).
ZIP code 99403 is a mid-sized community (a standard USPS delivery area) in Clarkston, Asotin County, Washington, home to 19,548 residents across 395.7 square miles, a density of 49 people per square mile, in the Los Angeles time zone.
ZIP 99403 lands in the middle-income range, with a median household income of $71,482 (21% below the average Washington ZIP), while per-capita income is $39,953. The poverty rate is 14.8%, with unemployment at 5.1%; those measures add context to the income figure. Home values sit below the statewide ZIP benchmark: the median is $325,300 (36% below the average Washington ZIP), and median rent is $1,036; owner occupancy is 72.2%.
Educational attainment sits below the national norm: 25.0% of adults hold a bachelor's degree or higher, the median age is 45.7, and the average commute is 15 minutes. The page also surfaces 1 ZIP codes within roughly 10 miles and 2 more in Asotin County, so 99403 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 99403
Top 5 sectors by establishment count in Clarkston, WA
Which industries have the most business establishments in ZIP 99403.
- Health care and social assistance
Health care and social assistance
66 establishments
- Construction
Construction
53 establishments
- Retail trade
Retail trade
42 establishments
- Other services (except public administration)
Other services (except public administration)
42 establishments
- Accommodation and food services
Accommodation and food services
40 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 99403, Clarkston, 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
19,548
Population
395.7
Area (sq mi)
49
People / sq mi
Los Angeles
Time Zone
standard
ZIP Type
Who lives in ZIP 99403?
45.7
Median Age
48.8%
Male
51.2%
Female
2.8%
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?
$71,482
Median Household Income
-21% vs state ZIP avg
$39,953
Per Capita Income
14.8%
Poverty Rate
5.1%
Unemployment Rate
15.0 min
Mean Commute Time
How ZIP 99403 ranks among Washington ZIPs
Clarkston, 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)
$71,482 31st percentile higher than 31% 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
9,281housing units
9,281
Total Housing Units
8,743
Occupied Units
538
Vacant Units
2.35
Avg Household Size
Occupancy Type
$325,300
Median Home Value
-36% vs state ZIP avg
$1,036
Median Rent
1975
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
+4.6%
YoY Change (2024)
322
HPI Index (2000 = 100)
+222%
Total Change Since 2000
Home values in ZIP 99403 have increased 4.6% over the past year (2024). Since 2000, this ZIP has seen +222% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +5.2% | 220 |
| 2021 | +15.8% | 255 |
| 2022 | +19.2% | 303 |
| 2023 | +1.5% | 308 |
| 2024 | +4.6% | 322 |
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 2024. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 413 business establishments in ZIP 99403, employing approximately 5,262 people with a combined annual payroll of $259,695,000.
413
Businesses
5,262
Employees
$259.7M
Annual Payroll
14
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Health care and social assistance | 66 | 16.0% |
| Construction | 53 | 12.8% |
| Retail trade | 42 | 10.2% |
| Other services (except public administration) | 42 | 10.2% |
| Accommodation and food services | 40 | 9.7% |
| Professional, scientific, and technical services | 31 | 7.5% |
| Finance and insurance | 24 | 5.8% |
| Administrative and support and waste management and remediation services | 21 | 5.1% |
| Manufacturing | 20 | 4.8% |
| Wholesale trade | 19 | 4.6% |
| Transportation and warehousing | 16 | 3.9% |
| Real estate and rental and leasing | 14 | 3.4% |
| Information | 8 | 1.9% |
| Arts, entertainment, and recreation | 8 | 1.9% |
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 99403 vs 99179 →
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 99179 | Uniontown, WA | 437 | 10.3 mi |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 99403, 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 (19,548 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Asotin County
Related Areas
Frequently Asked Questions
What county is ZIP code 99403 in?
ZIP code 99403 (Clarkston) is located in Asotin County, Washington. Asotin County contains multiple ZIP codes, see the full list at /counties/asotin-wa.
What is the population of ZIP code 99403?
ZIP code 99403 in Clarkston, WA has a population of 19,548 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 99403?
The median household income in ZIP 99403 is $71,482, which is 6% below the national average of $76,288.
What is the average home value in ZIP 99403?
The median home value in ZIP 99403 is $325,300, which is 17% above the national average of $278,155.
What is the demographic makeup of ZIP 99403?
The largest racial group in ZIP 99403 is White at 87.9%. Hispanic or Latino residents make up 4.5% of the population.
How many businesses are in ZIP code 99403?
ZIP code 99403 has 413 business establishments employing approximately 5,262 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 99403?
The top industries by establishment count in ZIP 99403 are: Health care and social assistance (66), Construction (53), Retail trade (42). There are 14 industry sectors represented in total.
How have home values changed in ZIP code 99403?
According to the FHFA House Price Index, home values in ZIP 99403 increased by 4.6% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 222%. 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 99403?
In ZIP code 99403, 57.7% of residents aged 25+ have a high school diploma or higher, and 25.0% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 99403?
The mean commute time for workers in ZIP code 99403 is 15.0 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 99403?
In ZIP code 99403, approximately 72.2% of occupied housing units are owner-occupied and 27.8% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 99403?
The poverty rate in ZIP code 99403 is 14.8% 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 99403's numbers, next.
- See how ZIP 99403 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Clarkston, 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.