99133 ZIP Code, Grand Coulee, WA
99133 is a ZIP code in Grand Coulee, Washington — mostly in Douglas County (82% of its land), with smaller parts in Grant and Lincoln counties. It covers 182 square miles of land. The closest ZIP codes are 99124, 99116 and 99123. 1,115 people live here in 536 households. It is rural, with fewer than 100 people per square mile, and most homes are owner-occupied (75%). Median household income is $68,854, below the Washington median of $98,141; the median age is 49.4, older than most ZIP codes.
Quick facts
- Mailing city: Grand Coulee, WA
- County: Douglas County
- Land area: 182 sq mi
- Population: 1,115
- Median household income: $68,854
Key figures
| Measure | Value |
|---|---|
| Residents | 1,115 |
| Households | 536 |
| Median household income | $68,854 |
| Income per person | $41,131 |
| Median age | 49.4 |
| Homeowners | 75.2% |
| Median home value | $229,900 |
| Median rent | $591 |
| Bachelor's degree or higher | 24.1% |
| Average commute (minutes) | 15.7 |
| Households with kids under 18 | 24.3% |
| Moved in the past year | 3.0% |
| Below the poverty line | 24.8% |
| Broadband internet | 95.0% |
| Speak a non-English language at home | 12.6% |
Household income
| % of households | Value |
|---|---|
| <$10K | 14.7% |
| $10–15K | 10.3% |
| $15–25K | 8.6% |
| $25–35K | 5.2% |
| $35–50K | 6.0% |
| $50–75K | 7.8% |
| $75–100K | 5.6% |
| $100–150K | 22.4% |
| $150–200K | 6.7% |
| $200K+ | 12.7% |
Age
| % of all residents | Value |
|---|---|
| <10 | 7.6% |
| 10–19 | 12.8% |
| 20–24 | 3.9% |
| 25–34 | 7.1% |
| 35–44 | 10.0% |
| 45–54 | 15.7% |
| 55–64 | 15.7% |
| 65–74 | 18.5% |
| 75+ | 9.0% |
Tenure
| % of housing units | Value |
|---|---|
| Owned, with mortgage | 30.4% |
| Owned outright | 25.4% |
| Rented | 17.9% |
| Vacant | 26.3% |
Type of building
| % of housing units | Value |
|---|---|
| Detached house | 63.7% |
| Townhome | 2.2% |
| 2–4 units | 4.9% |
| 5–19 units | 4.1% |
| 20+ units | 8.6% |
| Mobile / other | 16.4% |
Businesses in 99133
45 business establishments with 509 employees (ZIP Codes Business Patterns 2023).
- Retail Trade: 11
- Accommodation and Food Services: 9
- Health Care and Social Assistance: 5
- Other Services (except Public Administration): 5
- Construction: 4
EDDM carrier routes
See every USPS carrier route in 99133 with residential and business mailbox counts on the route map. Open the EDDM route map.
Nearby ZIP codes
- 99124 — Elmer City town, WA (8.5 mi)
- 99116 — Coulee Dam town, WA (9.3 mi)
- 99123 — Electric City city, WA (9.3 mi)
- 98830 — Mansfield town, WA (20.5 mi)
- 99103 — Almira town, WA (21.4 mi)
- 99155 — Nespelem Community CDP, WA (21.7 mi)
- 98813 — Bridgeport city, WA (22.2 mi)
- 99140 — Keller CDP, WA (23.7 mi)
Areas that include 99133
- Grand Coulee, WA ZIP codes — 1 ZIP code
- Douglas County ZIP codes — 11 ZIP codes
- Grant County ZIP codes — 18 ZIP codes
- Washington ZIP code data
Where it ranks
- No. 3 of 9: highest share of owner-occupied homes in Douglas County
- No. 3 of 9: highest median age in Douglas County
Mail every home in 99133
Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.
EDDM guides
ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 99133, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.
Frequently asked questions
- What city is 99133 in?
- 99133 is a Grand Coulee, WA mailing address. None of its land lies inside a Census-defined city or community.
- What county is 99133 in?
- 99133 is mostly in Douglas County (82% of its land), with smaller parts in Grant and Lincoln counties.
- What is the population of 99133?
- About 1,115 people (±173), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 1,476.
- What is the median household income in 99133?
- $68,854 (±$35,722), compared with $98,141 for Washington as a whole. Half the households in the ZIP code earn more and half earn less.
- How many carrier routes and mailboxes are in 99133?
- EDDM2GO's stored route library does not include 99133 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
- What ZIP codes are near 99133?
- The closest, measured center to center: 99124 (8.5 mi, Elmer City), 99116 (9.3 mi, Coulee Dam), 99123 (9.3 mi, Electric City), 98830 (20.5 mi, Mansfield), 99103 (21.4 mi, Almira) and 99155 (21.7 mi, Nespelem Community).
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.