Grand Coulee, WA demographics:
population, income, and more

Total population
913
-6.5% year-over-year change
Median household income
$64,250/yr
52.7% year-over-year change
Housing units
557
-10.3% year-over-year change

Grand Coulee population

How many people live in Grand Coulee

Grand Coulee is home to 913 residents, according to the most recent Census data. Gender-wise, 50.9% of Grand Coulee locals are male, and 49.1% are female.

Total population
913
-6.5% year-over-year change
Gender ratio
Male
50.9%
465
Female
49.1%
448
Value Percent YoY change
Male 465 50.9% -6.8%
Female 448 49.1% -6.3%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Grand Coulee is 47, with the population distributed as follows: about 10.1% are children under 15, then 17.6% are in the 15 to 24 age group. Adults between 25 and 44 make up 18% of the population, while another 34.1% fall into the 45 to 64 bracket. Finally, around 20.3% are 65 or older.

Median age
47.2
Age breakdown
Under 15
10.1%
15 to 24
17.6%
25 to 44
18%
45 to 64
34.1%
Over 65
20.3%
Value Percent YoY change
Under 15 92 10.1% 0.0%
15 to 24 161 17.6% 1.9%
25 to 44 164 18% -14.1%
45 to 64 311 34.1% -2.2%
Over 65 185 20.3% -15.1%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Grand Coulee, 98.1% of the population are US-born citizens, while 1.8% have gained naturalized citizenship. At the same time, 0.1% of residents are non-citizens. As for race, 70.2% of locals are Caucasian, 0.8% are African American and 0.3% have Asian roots. Another 6.2% are Indigenous American, 0.3% are Pacific Islanders, while 1.3% identify as another race. There’s also a share of 20.8% that includes residents with two or more races.

Citizenship
U.S.-born citizens
98.1%
Non-U.S.-born citizens
1.8%
Non-citizens
0.1%
Value Percent YoY change
U.S.-born citizens 896 98.1% -6.5%
Non-U.S.-born citizens 16 1.8% -11.1%
Non-citizens 1 0.1% 0.0%
Racial breakdown
White
70.2%
Black or African American
0.8%
American Indian and Alaska Native
6.2%
Asian
0.3%
Native Hawaiian and other Pacific Islander
0.3%
Two or more races
20.8%
Other
1.3%
Value Percent
White 641 70.2%
Black or African American 7 0.8%
American Indian and Alaska Native 57 6.2%
Asian 3 0.3%
Native Hawaiian and other Pacific Islander 3 0.3%
Two or more races 190 20.8%
Other 12 1.3%

Households in Grand Coulee

A peek inside Grand Coulee households

Grand Coulee has 425 households, with an average of 2 members in each. Of these, 57.6% are families, while the remaining 42.4% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
425
-14.5% year-over-year change
Average people per household
2
Non-family households
180
Family households
245
Value Percent YoY change
Non-family households 180 42.4% -21.4%
Family households 245 57.6% -8.6%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Grand Coulee

The housing landscape of Grand Coulee

Grand Coulee's housing consists of 557 units, with 61.8% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 2.9% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 12.2% of the housing landscape.

Housing units
557
-10.3% year-over-year change
Housing types
Value Percent
1 unit, detached 344 61.8%
1 unit, attached 16 2.9%
2 units 12 2.2%
3 or 4 units 24 4.3%
5 to 9 units 30 5.4%
20 to 49 units 63 11.3%
Mobile home 68 12.2%
Homes built since 2020
0
% year-over-year change

The age of buildings in Grand Coulee

In Grand Coulee, the median construction year is 1963. About 36.4% of homes were built before the 1940s, with another 7.7% going up by 1949. Most development happened in the second half of the 20th century.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 203 36.4% 0.5%
Built between 1940 and 1949 43 7.7% -6.5%
Built between 1950 and 1959 17 3% -32.0%
Built between 1960 and 1969 62 11.1% -39.2%
Built between 1970 and 1979 109 19.6% 2.8%
Built between 1980 and 1989 37 6.6% -17.8%
Built between 1990 and 1999 30 5.4% 7.1%
Built between 2000 and 2009 3 0.5% -81.2%
Built between 2010 and 2019 53 9.5% 3.9%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Grand Coulee occupancy rates

Out of the 425 occupied housing units in Grand Coulee, 68.7% are owner-occupied, while 31.3% are lived in by tenants. Meanwhile, 23.7% of all homes on the local market sit vacant.

Occupied housing units
425
-14.5% year-over-year change
Occupancy breakdown
Renter occupied
133
Owner occupied
292
Value Percent YoY
change
Renter occupied 133 31.3% -26.1%
Owner occupied 292 68.7% -7.9%
Unoccupied housing units
23.7%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Grand Coulee housing costs

Housing costs in Grand Coulee come to a median of $731 per month, while tenants specifically pay a median gross rent of $591.

Median housing costs per month
$731/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Grand Coulee
$591/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Grand Coulee

Grand Coulee education at a glance

About 37.2% of the population in Grand Coulee went to high school, while 32.8% pursued college studies. Another 15.3% earned an associate degree and 9.5% hold a bachelor’s. Meanwhile, 3.8% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 10 1.3% -16.7%
High school diploma 285 37.2% -13.1%
College diploma 251 32.8% -8.4%
Associate degree 117 15.3% 6.4%
Bachelor's degree 73 9.5% -21.5%
Graduate degree 29 3.8% 31.8%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Grand Coulee

How much people earn in Grand Coulee

The average annual household income in Grand Coulee was $87,003 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +16.7% change from the previous year. At the same time, the median income stood at $64,250, reflecting a +52.7% shift over the same period.

Average household income in Grand Coulee
$87,003/year
16.7% year-over-year change
Median household income in Grand Coulee
$64,250/year
52.7% year-over-year change

Grand Coulee income by age

In Grand Coulee, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $48,333. Those with someone between 45 and 64 in charge, often well established professionally, earn $104,583 overall. Overall, 71.6% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $48,333 N/A
45 - 64 $104,583 2.3%
Over 65 $32,917 35.6%
Above poverty level
637
Below poverty level
252
Value Percent YoY
change
Above poverty level 637 71.6% -3.3%
Below poverty level 252 28.4% -13.4%

Average renter income in Grand Coulee

To get a better sense of what renters earn on average in Grand Coulee, their median household income was $21,250 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 33.4%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$21,250
Rent-to-income ratio
33.4%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in Grand Coulee

Workforce and job types in Grand Coulee

The job market in Grand Coulee is powered by 326 working residents, spread across a range of industries and roles. 67.8% of the working population are employed in professional or administrative positions, while 32.2% are in hands-on or service-based jobs. Also, 4.9% run their own businesses, 48.8% are employed by private companies, and 42.3% work in the public sector.

Workforce demographics

Working population
326
-6.3% year-over-year change
White collar
221
Blue collar
105
Value Percent YoY change
White collar 221 67.8% -3.5%
Blue collar 105 32.2% -11.8%
Employer type
Self employees
4.9%
Private companies
48.8%
Governmental workers
42.3%
Not for profit companies
4%
Value Percent YoY change
Self employees 16 4.9% 33.3%
Private companies 159 48.8% -8.6%
Governmental workers 138 42.3% -13.2%
Not for profit companies 13 4% 333.3%
Unemployment rate
6.0%
-46.1% year-over-year change

Available workforce

The unemployment rate in Grand Coulee stands at 6%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Grand Coulee

How people get around in Grand Coulee

Commuting methods vary: 87.7% of residents travel by personal vehicle and 2.2% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 286 87.7% -11.2%
Walk 7 2.2% 16.7%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Grand Coulee by zipcode?

Zipcode Population Number of households Median income Average income
99133 1,115 536 $68,854 $93,753

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FAQs about Grand Coulee demographics 

What is the total population of Grand Coulee?

Grand Coulee has a total population of 913 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by -6.5% compared to a year ago.

What is the gender ratio in Grand Coulee?

The gender ratio in Grand Coulee is as follows:
  • 50.9% males (465 residents)
  • 49.1% females (448 residents)

What is the median age in Grand Coulee?

The median age in Grand Coulee is 47.2.

What is the age distribution of the population in Grand Coulee?

The age distribution in Grand Coulee is as follows:
  • Under 15: 10.1% (92 residents)
  • Ages 15-24: 17.6% (161 residents)
  • Ages 25-44: 18% (164 residents)
  • Ages 45-64: 34.1% (311 residents)
  • Over 65: 20.3% (185 residents)

What is the racial and ethnic makeup of Grand Coulee?

The racial and ethnic makeup of Grand Coulee is as follows:
  • White: 70.2% (641 residents)
  • Black or African American: 0.8% (7 residents)
  • American Indian and Alaska Native: 6.2% (57 residents)
  • Asian: 0.3% (3 residents)
  • Native Hawaiian and Other Pacific Islander: 0.3% (3 residents)
  • Two or More Races: 20.8% (190 residents)
  • Other: 1.3% (12 residents)

What percentage of the population in Grand Coulee are U.S.-born citizens?

U.S.-born citizens represent 98.1% of the population in Grand Coulee.

How many housing units are there in Grand Coulee?

There are 557 housing units in Grand Coulee, reflecting a -10.3% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Grand Coulee and what is the average household size?

Grand Coulee has a total of 425 households, with an average of 2 people in each.

What is the median household income in Grand Coulee?

Grand Coulee has a median household income of $64,250, representing a +52.7% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Grand Coulee?

The employment rate is 94% in Grand Coulee, with a workforce of 326 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 67.8% (221 residents)
  • Blue-collar workers: 32.2% (105 residents)

Places of employment:
  • Self-employed: 4.9% (16 residents)
  • Private companies: 48.8% (159 residents)
  • Governmental workers: 42.3% (138 residents)
  • Not-for-profit companies: 4% (13 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025