PlainZIP

Grand Coulee, WA · standard

ZIP Code 99133

Grant County, Washington - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

1,493
4/sq mi
$68,854
Median income
$229,900
Median home value
24.1%
Bachelor's or higher

The verdict

Grand Coulee pairs a below-median household income with above-median home values, in a rural, homeowner-dominated area.

45th pct
household income, US ZIPs
Top 48%
home value, US ZIPs
4
people per sq mi
75%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 99133 against every reporting US ZIP.

ZIP code 99133 is a sparsely populated ZIP (a standard USPS delivery area) in Grand Coulee, Grant County, Washington, home to just 1,493 residents across 382.8 square miles, a density of 4 people per square mile, in the Los Angeles time zone.

ZIP 99133 reports a modest median household income of $68,854 (24% below the Washington average), while per-capita income is $41,131. 24.8% of residents live below the poverty line, and the unemployment rate reads 5.3%. Median home value sits at $229,900 (55% below the state average), median rent at $591 a month, and owner-occupancy at 75.2%.

Educational attainment sits below the national norm: 24.1% of adults hold a bachelor's degree or higher, the median age is 49.4, and the average commute is -. We also surface 2 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Grant County, so you can benchmark 99133 against its immediate geography rather than a national average alone.

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 99133

Top 5 sectors by establishment count in Grand Coulee, WA

Which industries have the most business establishments in ZIP 99133.

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 · ZIP Code Business Patterns (ZBP) As of 2023

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 99133, Grand Coulee, 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

1,493

Population

382.8

Area (sq mi)

4

People / sq mi

Los Angeles

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 99133?

49.4

Median Age

52.4%

Male

47.6%

Female

0.6%

Foreign-Born

White 74.7%
African American 0.6%
Asian 0.3%
American Indian or Alaska Native 5.1%
Native Hawaiian or Pacific Islander 0.3%
Two or More Ethnicities 17.9%
Hispanic or Latino 12.2%

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?

$68,854

Median Household Income

-24% vs state

$41,131

Per Capita Income

24.8%

Poverty Rate

5.3%

Unemployment Rate

How ZIP 99133 ranks nationally

Grand Coulee, WA household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$68,854 45th percentile higher than 45% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). This entry sits in this band. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US 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?

High School Graduate or Higher 43.4%
Bachelor's Degree or Higher 24.1%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

731

Total Housing Units

536

Occupied Units

195

Vacant Units

2.04

Avg Household Size

Occupancy Type

Owner 75.2%
Renter 24.8%

$229,900

Median Home Value

-55% vs state

$591

Median Rent

1968

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What businesses operate in this ZIP?

Census Bureau data shows 45 business establishments in ZIP 99133, employing approximately 509 people with a combined annual payroll of $27,639,000.

45

Businesses

509

Employees

$27.6M

Annual Payroll

5

Industry Sectors

Industry Establishments % of Total
Retail trade 11 24.4%
Accommodation and food services 9 20.0%
Health care and social assistance 5 11.1%
Other services (except public administration) 5 11.1%
Construction 4 8.9%

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 99133 vs 99124 →

ZIP 99133 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 99133 ranks the most populous - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 99133 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 99133 ranks #2 of 3 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
99124 Elmer City, WA 240 5.8 mi
99116 Coulee Dam, WA 1,439 6.9 mi

More ZIP Codes in Grant County

98837 standard
Moses Lake, WA
Pop: 39,722
98848 standard
Quincy, WA
Pop: 11,518
98823 standard
Ephrata, WA
Pop: 11,055
99349 standard
Mattawa, WA
Pop: 8,483
99357 standard
Royal City, WA
Pop: 4,323
98857 standard
Warden, WA
Pop: 4,082

Related Areas

Grant County Grand Coulee, WA Washington

Frequently Asked Questions

What county is ZIP code 99133 in? ▼
ZIP code 99133 (Grand Coulee) is located in Grant County, Washington. Grant County contains multiple ZIP codes, see the full list at /counties/grant-wa.
What is the population of ZIP code 99133? ▼
ZIP code 99133 in Grand Coulee, WA has a population of 1,493 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 99133? ▼
The median household income in ZIP 99133 is $68,854, which is 10% below the national average of $76,288.
What is the average home value in ZIP 99133? ▼
The median home value in ZIP 99133 is $229,900, which is 17% below the national average of $278,155.
What is the demographic makeup of ZIP 99133? ▼
The largest racial group in ZIP 99133 is White at 74.7%. Hispanic or Latino residents make up 12.2% of the population.
How many businesses are in ZIP code 99133? ▼
ZIP code 99133 has 45 business establishments employing approximately 509 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 99133? ▼
The top industries by establishment count in ZIP 99133 are: Retail trade (11), Accommodation and food services (9), Health care and social assistance (5). There are 5 industry sectors represented in total.
What is the education level in ZIP code 99133? ▼
In ZIP code 99133, 43.4% of residents aged 25+ have a high school diploma or higher, and 24.1% 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 99133? ▼
In ZIP code 99133, approximately 75.2% of occupied housing units are owner-occupied and 24.8% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 99133? ▼
The poverty rate in ZIP code 99133 is 24.8% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.