US ZIP Code
99133

Grand Coulee, WA

Grant County  ·  Washington

● Active
👥 1,341 Population ↓ 24% since 2019
💰 $49,625 Median HH Income
▼ 35% below avg ↓ 3% since 2019
🎂 50.2 Median Age ↓ 3% since 2019
🏠 $221,100 Median Home Value
▼ 21% below avg ↑ 86% since 2019
🎓 42.6% College Grads
▲ 10% above avg
📊 7.8% Unemployment
▲ 59% above avg ↑ 59% since 2019
ZIP Code Details
ZIP Code99133
CityGrand Coulee
StateWashington (WA)
CountyGrant County
Area Code509
Elevation2,033 ft
Latitude48.01013
Longitude-119.136483
TimezoneLos Angeles (DST)
FIPS53025
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 47.3% (634) Female 52.7% (707) ♀

Race & Ethnicity

White: 71%Hispanic: 9.2%Black: 0.8%Asian: 0.2%Other: 5.7%Race
White71.0%
Hispanic9.2%
Black0.8%
Asian0.2%
Other5.7%

Age Breakdown

Under 5
3%
5–17
15%
18–24
8%
25–44
16%
45–64
33%
65+
15%

Key Indicators

Median Age50.2 yrs ↓ 3% since 2019
Avg Household Size1.97
Below Poverty22.3% ▲ 123% above avg
College Grads42.6% ▲ 10% above avg
Unemployment7.8% ▲ 59% above avg
No HS Diploma7 (0.8%)
HS Graduate185 (20.2%)
Some College136 (14.9%)
Associates197 (21.5%)
Bachelors100 (10.9%)
Graduate Degree290 (31.7%)

Education

No HS: 0.8%HS Grad: 20.2%Some College: 14.9%Associates: 21.5%Bachelors: 10.9%Graduate: 31.7%Edu
No HS0.8%
HS Grad20.2%
Some College14.9%
Associates21.5%
Bachelors10.9%
Graduate31.7%
Housing & Income

Housing Tenure

Owner: 64.5%Renter: 35.5%Tenure
Owner64.5%
Renter35.5%

Home Value Distribution

Under $50k
6%
$50k–100k
11%
$100k–150k
10%
$150k–200k
11%
$200k–300k
41%
$300k–500k
15%
Over $500k
7%

Financials

Median HH Income$49,625 ▼ 35% below avg ↓ 3% since 2019
Median Home Value$221,100 ▼ 21% below avg ↑ 86% since 2019
Home/Income Ratio4.5x (nat avg ~3.5x)
Median Rent$703/mo ↑ 10% since 2019
Total Units847
Vacant Units176
Avg HH Size1.97

Income Distribution

Under $25k
43%
$25k–50k
5%
$50k–75k
11%
$75k–100k
6%
$100k–150k
22%
$150k–200k
6%
Over $200k
8%
Employment & Commute

How People Get to Work

Drove Alone
92%
Walked
1%
Work From Home
7%

Commute Time

Under 15 min
59%
15–30 min
21%
30–45 min
18%
Over 45 min
2%
Housing Stock

Year Built

Before 1940
9%
1940s–1950s
10%
1960s–1970s
7%
1980s–1990s
11%
2000+
63%

Summary

Total Units847
Vacant176
Owner Occupied64.5%
Renter Occupied35.5%
Avg HH Size1.97
Frequently Asked Questions
ZIP code 99133 is in Grand Coulee, WA, in Grant County.
ZIP code 99133 is located in Washington (WA).
ZIP code 99133 is in Grant County, WA.
ZIP 99133 observes the Los Angeles timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 99133 is 1,341 people (ACS 2023).
The median household income in ZIP code 99133 is $49,625 (ACS 2023).
The median home value in ZIP 99133 is $221,100 (ACS 2023).
About ZIP Code 99133

ZIP code 99133 is located in Grand Coulee, Washington, within Grant County. With a population of 1,341, this is a sparsely populated ZIP code with a mature community — the median age is 50.2 years. Economically, 99133 is a working-class ZIP code: the median household income of $49,625 is below the national average.

Real estate in ZIP code 99133 represents an affordable housing market. The median home value of $221,100 is below the national average. Renters can expect to pay around $703 per month in median rent. Homeownership is strong here — 64.5% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 86% since 2019.

The population of 99133 is primarily White (70.99%). Residents are well-educated — 42.6% hold a bachelor's degree or higher, which is near the national average. Poverty affects a significant share of residents at 22.3%. Household income has declined by 3% since 2019.

The unemployment rate in 99133 stands at 7.8%, which is significantly above the national average. As in most parts of the country, driving alone is the dominant commute mode at 84%.

Overall, ZIP code 99133 in Grand Coulee, WA is characterized as working-class, well-educated, a mature community, and predominantly owner-occupied. With 1,341 residents, a median household income of $49,625, and a median home value of $221,100, it offers a clear picture of life in this part of Washington.