County

Grant County, WA

16 ZIP codes  ·  16 cities  ·  Washington

👥99,240Population
💰$71,708Median HH Income≈ Avg
🎂34.1Median Age
🏠$288,814Median Home Value≈ Avg
🎓33.2%College Grads▼ 14% below avg
📊6.3%Unemployment▲ 29% above avg
People & Population (ACS 2023 — weighted avg)
♂ Male 50.8% Female 49.2% ♀

Race & Ethnicity

White: 50.4%Hispanic: 42.9%Black: 1.3%Asian: 1%Other: 3.9%Race
White50.4%
Hispanic42.9%
Black1.3%
Asian1.0%
Other3.9%

Age Breakdown

Under 5
7%
5–17
21%
18–24
9%
25–44
26%
45–64
22%
65+
7%

Key Indicators

Median Age34.1 yrs
Avg HH Size2.87
Below Poverty14.9% ▲ 49% above avg
College Grads33.2% ▼ 14% below avg
Unemployment6.3% ▲ 29% above avg
No HS Diploma1,551 (2.9%)
HS Graduate15,548 (29.4%)
Some College8,487 (16.1%)
Associates9,548 (18.1%)
Bachelors6,529 (12.4%)
Graduate Degree11,201 (21.2%)

Education

No HS: 2.9%HS Grad: 29.4%Some College: 16.1%Associates: 18.1%Bachelors: 12.4%Graduate: 21.2%Edu
No HS2.9%
HS Grad29.4%
Some College16.1%
Associates18.1%
Bachelors12.4%
Graduate21.2%
Housing & Income

Housing Tenure

Owner: 65.2%Renter: 34.8%Tenure
Owner65.2%
Renter34.8%

Home Value Distribution

Under $50k
10%
$50k–$100k
5%
$100k–$150k
7%
$150k–$200k
8%
$200k–$300k
27%
$300k–$500k
29%
Over $500k
15%

Financials

Median HH Income$71,708 ≈ Avg
Median Home Value$288,813 ≈ Avg
Home/Income Ratio4.0x (nat avg ~3.5x)
Median Rent$1,045/mo
Total Housing Units39,196
Vacant Units4,898

Income Distribution

Under $25k
16%
$25k–$50k
17%
$50k–$75k
18%
$75k–$100k
16%
$100k–$150k
18%
$150k–$200k
6%
Over $200k
8%
Employment & Commute

How People Get to Work

Drove Alone
86%
Public Transit
2%
Walked
2%
Work From Home
11%

Commute Time

Under 15 min
43%
15–30 min
30%
30–45 min
19%
Over 45 min
8%
Housing Stock

Year Built

Before 1940
2%
1940s–1950s
11%
1960s–1970s
11%
1980s–1990s
17%
2000+
59%
About Grant County, WA

Grant County is located in Washington and encompasses 16 ZIP codes spanning 16 cities and communities. The county has an estimated population of 99,240 residents. With a median age of 34.11, it is a relatively young county.

Grant County has a solidly middle-class economic profile. The median household income of $71,707 is near the national average. Unemployment stands at 6.3%, above the national average. The poverty rate of 14.9% is above the national average.

Housing in Grant County is a mid-range housing market, with a median home value of $288,813 — near the national average. Monthly median rent is approximately $1,044. Homeownership rates are high at 65.2%, reflecting a largely residential, stable population.

The residents of Grant County are majority White (50.35%). Educational attainment is moderately educated — 33.2% of adults hold a bachelor's degree or higher, near the national average.

Grant County, WA is a solidly middle-class area in Washington. The 16 ZIP codes within the county each have their own character — browse the full list below to find the right community, whether you're looking for affordable housing, strong schools, or economic opportunity.

ZIP Codes in Grant County
ZIPCityPopulationMedian IncomeMedian HomeMedian RentUnemp.College
99321 Beverly 905 $90,428 0.0% 21.6%
99115 Coulee City 1,306 $49,519 $207,600 $726 5.9% 35.8%
99123 Electric City 952 $78,942 $247,700 $1,043 0.0% 34.6%
98823 Ephrata 12,661 $77,361 $256,400 $956 3.8% 35.1%
98824 George 239 $50,795 $180,200 0.0% 11.5%
99133 Grand Coulee 1,341 $49,625 $221,100 $703 7.8% 42.6%
99135 Hartline 441 $86,667 $198,000 $456 0.0% 38.5%
98832 Marlin 158 $55,625 $259,400 0.0% 18.3%
99349 Mattawa 8,098 $62,851 $409,000 $1,181 6.9% 27.0%
98837 Moses Lake 47,399 $70,732 $290,000 $1,128 7.4% 34.1%
98848 Quincy 13,014 $85,133 $308,800 $1,035 5.0% 32.9%
99357 Royal City 3,550 $69,120 $307,400 $759 7.7% 31.7%
98851 Soap Lake 4,996 $67,009 $240,500 $902 8.4% 28.0%
98857 Warden 3,935 $57,743 $194,400 $820 4.6% 36.2%
98860 Wilson Creek 245 $51,250 $184,200 $917 5.9% 40.9%