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 Low-density area
- $68,854
- Median income Near-median income area
- $229,900
- Median home value Near-median home value
- 24.1%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
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 average Washington ZIP), while per-capita income is $41,131. The poverty rate is 24.8%, so the area-level income figures should not be treated as typical household experience. Home values sit below the statewide ZIP benchmark: the median is $229,900 (55% below the average Washington ZIP), and median rent is $591; owner occupancy is 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 -. The page also surfaces 2 ZIP codes within roughly 10 miles and 6 more in Grant County, so 99133 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 99133
Top 5 sectors by establishment count in Grand Coulee, WA
Which industries have the most business establishments in ZIP 99133.
- Retail trade
Retail trade
11 establishments
- Accommodation and food services
Accommodation and food services
9 establishments
- Health care and social assistance
Health care and social assistance
5 establishments
- Other services (except public administration)
Other services (except public administration)
5 establishments
- Construction 4
Construction
4 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 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
Who lives in ZIP 99133?
49.4
Median Age
52.4%
Male
47.6%
Female
0.6%
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?
$68,854
Median Household Income
-24% vs state ZIP avg
$41,131
Per Capita Income
24.8%
Poverty Rate
5.3%
Unemployment Rate
How ZIP 99133 ranks among Washington ZIPs
Grand Coulee, 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)
$68,854 28th percentile higher than 28% 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
731housing units
731
Total Housing Units
536
Occupied Units
195
Vacant Units
2.04
Avg Household Size
Occupancy Type
$229,900
Median Home Value
-55% vs state ZIP avg
$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.
- 99133
Grand Coulee (99133)
1,493 residents
- 99116
Coulee Dam (99116)
1,439 residents
- 99124 240
Elmer City (99124)
240 residents
What this shows Among its immediate neighbors, ZIP 99133 ranks the most populous - useful context the national average alone can't give.
ZIP 99133 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 99124
Elmer City (99124)
$70,000 median income
- 99133
Grand Coulee (99133)
$68,854 median income
- 99116
Coulee Dam (99116)
$65,946 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.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 99133, 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 (1,493 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Grant County
Related Areas
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.
Related
Take this with you
What to do with ZIP 99133's numbers, next.
- See how ZIP 99133 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Grand Coulee, 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.