US ZIP Code
99176

Thornton, WA

Whitman County  ·  Washington

● Active
👥 132 Population ↓ 12% since 2019
💰 $81,250 Median HH Income
≈ Avg ↑ 85% since 2019
🎂 58.9 Median Age ↑ 23% since 2019
🏠 $258,300 Median Home Value
≈ Avg ↑ 28% since 2019
🎓 58.6% College Grads
▲ 51% above avg
📊 0.0% Unemployment
▼ 100% below avg ↓ 100% since 2019
ZIP Code Details
ZIP Code99176
CityThornton
StateWashington (WA)
CountyWhitman County
Area Code509
Elevation2,450 ft
Latitude47.09219
Longitude-117.412253
TimezoneLos Angeles (DST)
FIPS53075
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 49.2% (65) Female 50.8% (67) ♀

Race & Ethnicity

White: 98.5%Other: 1.5%Race
White98.5%
Other1.5%

Age Breakdown

5–17
5%
18–24
7%
25–44
8%
45–64
48%
65+
15%

Key Indicators

Median Age58.9 yrs ↑ 23% since 2019
Avg Household Size1.86
Below Poverty0.0% ▼ 100% below avg
College Grads58.6% ▲ 51% above avg
Unemployment0.0% ▼ 100% below avg
HS Graduate26 (22.4%)
Some College8 (6.9%)
Associates14 (12.1%)
Bachelors54 (46.6%)
Graduate Degree14 (12.1%)

Education

HS Grad: 22.4%Some College: 6.9%Associates: 12.1%Bachelors: 46.6%Graduate: 12.1%Edu
HS Grad22.4%
Some College6.9%
Associates12.1%
Bachelors46.6%
Graduate12.1%
Housing & Income

Housing Tenure

Owner: 88.7%Renter: 11.3%Tenure
Owner88.7%
Renter11.3%

Home Value Distribution

$50k–100k
16%
$150k–200k
14%
$200k–300k
32%
$300k–500k
14%
Over $500k
24%

Financials

Median HH Income$81,250 ≈ Avg ↑ 85% since 2019
Median Home Value$258,300 ≈ Avg ↑ 28% since 2019
Home/Income Ratio3.2x (nat avg ~3.5x)
Total Units101
Vacant Units30
Avg HH Size1.86

Income Distribution

Under $25k
3%
$25k–50k
25%
$50k–75k
10%
$75k–100k
5%
$100k–150k
23%
$150k–200k
23%
Over $200k
10%
Employment & Commute

How People Get to Work

Drove Alone
82%
Work From Home
18%

Commute Time

Under 15 min
15%
15–30 min
37%
30–45 min
32%
Over 45 min
15%
Housing Stock

Year Built

Before 1940
20%
1940s–1950s
7%
1960s–1970s
8%
2000+
65%

Summary

Total Units101
Vacant30
Owner Occupied88.7%
Renter Occupied11.3%
Avg HH Size1.86
Frequently Asked Questions
ZIP code 99176 is in Thornton, WA, in Whitman County.
ZIP code 99176 is located in Washington (WA).
ZIP code 99176 is in Whitman County, WA.
ZIP 99176 observes the Los Angeles timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 99176 is 132 people (ACS 2023).
The median household income in ZIP code 99176 is $81,250 (ACS 2023).
The median home value in ZIP 99176 is $258,300 (ACS 2023).
About ZIP Code 99176

ZIP code 99176 is located in Thornton, Washington, within Whitman County. With a population of 132, this is a sparsely populated ZIP code with an older community — the median age is 58.9 years. Economically, 99176 is a middle-income ZIP code: the median household income of $81,250 is near the national average.

Real estate in ZIP code 99176 represents a mid-range housing market. The median home value of $258,300 is near the national average. Homeownership is strong here — 88.7% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 28% since 2019.

The population of 99176 is primarily White (98.48%). Residents are well-educated — 58.6% hold a bachelor's degree or higher, which is significantly above the national average. Household income has grown by 85% since 2019.

About 18% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 82%.

Overall, ZIP code 99176 in Thornton, WA is characterized as middle-income, well-educated, an older community, and predominantly owner-occupied. With 132 residents, a median household income of $81,250, and a median home value of $258,300, it offers a clear picture of life in this part of Washington.