Thornton, WA · standard
ZIP Code 99176
Whitman County, Washington - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 145
- 2/sq mi Low-density area
- $128,000
- Median income Above-median income area
- $283,300
- Median home value Near-median home value
- 17.7%
- Bachelor's or higher Below-average bachelor's attainment
National ZIP placement
Thornton pairs a top-decile household income with above-median home values, in a rural, homeowner-dominated area.
- Top 7%
- household income, US ZIPs
- Top 36%
- home value, US ZIPs
- 2
- people per sq mi
- 81%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 99176 against every reporting US ZIP.
ZIP code 99176 is a sparsely populated ZIP (a standard USPS delivery area) in Thornton, Whitman County, Washington, home to just 145 residents across 96.7 square miles, a density of 2 people per square mile, in the Los Angeles time zone.
ZIP 99176 skews affluent, with a median household income of $128,000 (41% above the average Washington ZIP), while per-capita income is $55,890. Both reported hardship measures are comparatively low in absolute terms: poverty is 0.0% and unemployment is 0.0%. Home values sit below the statewide ZIP benchmark: the median is $283,300 (45% below the average Washington ZIP), and median rent is $781; owner occupancy is 80.6%.
Educational attainment sits below the national norm: 17.7% of adults hold a bachelor's degree or higher, the median age is 58, and the average commute is -. The page also surfaces 2 ZIP codes within roughly 10 miles and 6 more in Whitman County, so 99176 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 →
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 99176, Thornton, 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
145
Population
96.7
Area (sq mi)
2
People / sq mi
Los Angeles
Time Zone
standard
ZIP Type
Who lives in ZIP 99176?
58.0
Median Age
50.9%
Male
49.1%
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?
$128,000
Median Household Income
+41% vs state ZIP avg
$55,890
Per Capita Income
0.0%
Poverty Rate
0.0%
Unemployment Rate
How ZIP 99176 ranks among Washington ZIPs
Thornton, 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)
$128,000 Top 12% higher than 88% 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
90housing units
90
Total Housing Units
72
Occupied Units
18
Vacant Units
2.26
Avg Household Size
Occupancy Type
$283,300
Median Home Value
-45% vs state ZIP avg
$781
Median Rent
1938
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 3 business establishments in ZIP 99176, employing approximately 15 people with a combined annual payroll of $1,043,000.
3
Businesses
15
Employees
$1.0M
Annual Payroll
0
Industry Sectors
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 99176 vs 99174 →
ZIP 99176 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 99149
Malden (99149)
208 residents
- 99176
Thornton (99176)
145 residents
- 99174 44
Steptoe (99174)
44 residents
What this shows Among its immediate neighbors, ZIP 99176 ranks #2 by population - useful context the national average alone can't give.
ZIP 99176 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 99176
Thornton (99176)
$128,000 median income
- 99174 $50,179
Steptoe (99174)
$50,179 median income
- 99149 $26,250
Malden (99149)
$26,250 median income
What this shows By household income, ZIP 99176 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 99176, both outside WA so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Whitman County
Related Areas
Frequently Asked Questions
What county is ZIP code 99176 in?
ZIP code 99176 (Thornton) is located in Whitman County, Washington. Whitman County contains multiple ZIP codes, see the full list at /counties/whitman-wa.
What is the population of ZIP code 99176?
ZIP code 99176 in Thornton, WA has a population of 145 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 99176?
The median household income in ZIP 99176 is $128,000, which is 68% above the national average of $76,288.
What is the average home value in ZIP 99176?
The median home value in ZIP 99176 is $283,300, which is 2% above the national average of $278,155.
What is the demographic makeup of ZIP 99176?
The largest racial group in ZIP 99176 is White at 95.1%.
How many businesses are in ZIP code 99176?
ZIP code 99176 has 3 business establishments employing approximately 15 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 99176?
In ZIP code 99176, 50.8% of residents aged 25+ have a high school diploma or higher, and 17.7% 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 99176?
In ZIP code 99176, approximately 80.6% of occupied housing units are owner-occupied and 19.4% are renter-occupied, based on Census ACS 2023 data.
Related
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What to do with ZIP 99176's numbers, next.
- See how ZIP 99176 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Thornton, WA ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
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ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.