Zip code 99115: Coulee City, Washington

Q: What city is zip code 99115?

99115 is assigned to Coulee City, Washington. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 99115 in?

99115 is mostly in Douglas County, but it extends into 1 other county.

Q: What is the population of 99115?

About 1,369 people live in 99115, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 99115?

The median household income in 99115 is $62,708.

Q: What zip codes are near 99115?

The closest zip codes to 99115 are 99135, 98853, 98830, 98851, 98860.

Residential delivery areaDouglas CountyPacific Time

Population

1,369

Median household income

$63K

U.S. $81K

Median home value

$247K

U.S. $333K

Median rent

$725/mo

U.S. $1,413

Median age

50.5

U.S. 38.9

Land area

420 sq mi

3 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 99115

99115 is a rural zip code in Coulee City, Washington (Douglas County), covering 420 sq mi of land. About 1,369 people live here, or 3 per square mile. The median resident is 50.5 years old, compared with 38.9 nationally.

The median household earns $62,708 a year, 22% below the national median of $80,734. 7% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $247,200, or 3.9 years of median household income (U.S.: 4.1 years), which makes homes about as affordable as the national average for local earners. 70% of occupied homes are lived in by their owners, and renters pay a median of $725 a month.

18% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 26.5 minutes each way, and 12% of workers work from home. The most common jobs among working residents are in office and administrative support; farming, fishing and forestry; and management.

How 99115 compares

Sorted from highest to lowest national percentile

Housing vacancy43.8%
99th
U.S. 10.1% · WA 7.3%32nd of 563 in WA
Residents 65 and older35.1%
98th
U.S. 17.2% · WA 16.6%60th of 571 in WA
Median age50.5
95th
U.S. 38.9 · WA 38.3126th of 571 in WA
Veterans7.9%
76th
U.S. 6.2% · WA 7.8%314th of 571 in WA
Government workers17.2%
73rd
U.S. 14.5% · WA 16%287th of 570 in WA
Self-employed workers10.2%
61st
U.S. 10% · WA 9.6%262nd of 570 in WA
Homeownership rate69.7%
53rd
U.S. 65.2% · WA 63.8%340th of 563 in WA
Average commute26.5 min
53rd
U.S. 26.4 min · WA 26.6 min270th of 546 in WA
Work from home12.1%
47th
U.S. 15.1% · WA 19.8%329th of 570 in WA
Unemployment rate4.5%
43rd
U.S. 5.2% · WA 5.1%294th of 570 in WA
Broadband access91.3%
43rd
U.S. 91% · WA 93.6%339th of 563 in WA
Tech workers2.5%
43rd
U.S. 3.8% · WA 6.7%290th of 570 in WA
Median earnings per worker$43,603
35th
U.S. $49,666 · WA $59,959420th of 566 in WA
Median home value$247,200
33rd
U.S. $332,700 · WA $564,600476th of 536 in WA
Median household income$62,708
25th
U.S. $80,734 · WA $98,141447th of 541 in WA
Poverty rate7%
25th
U.S. 12.5% · WA 9.9%393rd of 563 in WA
Residents under 1819.1%
25th
U.S. 22% · WA 21.4%336th of 571 in WA
Diversity index27
20th
U.S. 61.4 · WA 56.5426th of 571 in WA
Bachelor's degree or higher18%
16th
WeaknessU.S. 35.7% · WA 39.6%451st of 571 in WA
Per capita income$28,432
15th
WeaknessU.S. $44,673 · WA $53,744499th of 570 in WA
Foreign-born residents0.8%
5th
U.S. 14.1% · WA 15.4%518th of 571 in WA
Median gross rent$725
4th
U.S. $1,413 · WA $1,760451st of 475 in WA
Rent-burdened renters25.2%
3rd
StrengthU.S. 51.1% · WA 49.9%462nd of 541 in WA
Income inequality (Gini)0.349
3rd
StrengthU.S. 0.483 · WA 0.469498th of 560 in WA
Population1,369
2nd
U.S. 334,922,499 · WA 7,816,116396th of 571 in WA
Healthcare workers4.5%
2nd
U.S. 9.7% · WA 9.3%463rd of 570 in WA
Population density3/sq mi
1st
U.S. 95/sq mi · WA 118/sq mi527th of 571 in WA
Uninsured rate0.9%
1st
StrengthU.S. 8.4% · WA 6.3%531st of 567 in WA

Measure	99115	Douglas	WA	U.S.	National percentile	Rank in WA
Housing vacancy	43.8%	11.3%	7.3%	10.1%	99th	32nd of 563
Residents 65 and older	35.1%	18.4%	16.6%	17.2%	98th	60th of 571
Median age	50.5	38.9	38.3	38.9	95th	126th of 571
Veterans	7.9%	7.3%	7.8%	6.2%	76th	314th of 571
Government workers	17.2%	13.6%	16%	14.5%	73rd	287th of 570
Self-employed workers	10.2%	8.4%	9.6%	10%	61st	262nd of 570
Homeownership rate	69.7%	69.3%	63.8%	65.2%	53rd	340th of 563
Average commute	26.5 min	20.1 min	26.6 min	26.4 min	53rd	270th of 546
Work from home	12.1%	8.5%	19.8%	15.1%	47th	329th of 570
Unemployment rate	4.5%	3.9%	5.1%	5.2%	43rd	294th of 570
Broadband access	91.3%	90.5%	93.6%	91%	43rd	339th of 563
Tech workers	2.5%	1.3%	6.7%	3.8%	43rd	290th of 570
Median earnings per worker	$43,603	$43,117	$59,959	$49,666	35th	420th of 566
Median home value	$247,200	$432,500	$564,600	$332,700	33rd	476th of 536
Median household income	$62,708	$80,363	$98,141	$80,734	25th	447th of 541
Poverty rate	7%	8.3%	9.9%	12.5%	25th	393rd of 563
Residents under 18	19.1%	24.4%	21.4%	22%	25th	336th of 571
Diversity index	27	53.7	56.5	61.4	20th	426th of 571
Bachelor's degree or higherWeakness	18%	21.5%	39.6%	35.7%	16th	451st of 571
Per capita incomeWeakness	$28,432	$39,767	$53,744	$44,673	15th	499th of 570
Foreign-born residents	0.8%	15.9%	15.4%	14.1%	5th	518th of 571
Median gross rent	$725	$1,305	$1,760	$1,413	4th	451st of 475
Rent-burdened rentersStrength	25.2%	45.9%	49.9%	51.1%	3rd	462nd of 541
Income inequality (Gini)Strength	0.349	0.431	0.469	0.483	3rd	498th of 560
Population	1,369	44,366	7,816,116	334,922,499	2nd	396th of 571
Healthcare workers	4.5%	10.2%	9.3%	9.7%	2nd	463rd of 570
Population density	3/sq mi	24/sq mi	118/sq mi	95/sq mi	1st	527th of 571
Uninsured rateStrength	0.9%	13.3%	6.3%	8.4%	1st	531st of 567

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Under 5

11%

5–17

18–24

12%

25–34

35–44

11%

45–54

11%

55–64

22%

65–74

13%

75+

Median age

50.5

Under 18

19.1%

65 and over

35.1%

Race and ethnicity

White84%
Black0%
Hispanic1%
Asian0.7%
Native American0.2%
Pacific Islander0%
Other0.4%
Multiracial13%

Diversity index

U.S. 61.4

Foreign-born

0.8%

U.S. 14.1%

Born in state

74.9%

Language spoken at home (households)

English only

98%

Spanish

Other Indo-European

Asian / Pacific

Other

Households

Households: 552
Average household size: 2.5
Family households: 69.4%
Married couples: 64.5%
Living alone: 23%
Veterans (of adults): 7.9%
Male / female: 49% / 51%

Income and poverty

Household income distribution

<$25k

16%

$25–50k

22%

$50–75k

32%

$75–100k

$100–150k

20%

$150–200k

$200k+

Median household income

99115

$62,708

Douglas Co.

$80,363

Washington

$98,141

United States

$80,734

Per capita income

$28,432

U.S. $44,673

Poverty rate

U.S. 12.5%

Households earning $150K+

4.5%

U.S. 23%

Income inequality (Gini)

0.349

U.S. 0.483

Housing

Median home value

99115

$247,200

Douglas Co.

$432,500

Washington

$564,600

United States

$332,700

Median gross rent

99115

$725

Douglas Co.

$1,305

Washington

$1,760

United States

$1,413

Types of housing

Single-family

60%

2–4 units

0.8%

5–19 units

0.9%

20+ units

0.8%

Mobile home

37%

Boat, RV, van

0.3%

Housing units: 982
Owner-occupied: 69.7%
Vacant: 43.8%
Median year built: 1975
Median rooms: 5
Renters paying 30%+ of income: 25.2%
Renters paying 50%+ of income: 12.2%
Home value to income: 3.9× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

74%

Carpooled

Transit

Walked

Bicycle

Worked from home

12%

Other

Commute time (one way)

<10 min

31%

10–19

11%

20–29

12%

30–44

28%

45–59

10%

60+

Average commute

26.5 min

U.S. 26.4 min

Unemployment

4.5%

U.S. 5.2%

In labor force

44.7%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Office and admin

24%

Farming, fishing and forestry

14%

Management

12%

Construction and repair

12%

Transportation and moving

Cleaning and personal care

Healthcare

Production

Education

Business and finance

Computer and math

Police and fire

Engineering and science

Sales

Food service

0.6%

Legal and social services

Arts, media and sports

Industries

Agriculture and mining

24%

Construction

14%

Restaurants and hotels

12%

Health care and social assistance

12%

Education

Manufacturing

Retail

Public administration

Finance, insurance and real estate

Other services

Admin, support and management

Arts and recreation

Transportation, warehousing and utilities

Professional and technical services

Wholesale

Information

Median earnings per worker

$43,603

U.S. $49,666

Self-employed

10.2%

U.S. 10%

Government workers

17.2%

U.S. 14.5%

Nonprofit workers

10.8%

U.S. 8.8%

Median earnings by type of work

Type of work	99115	U.S.
Management, business, science and arts	$43,594	$74,888
Service	$32,679	$26,804
Sales and office	$13,939	$40,476
Construction and maintenance	$67,125	$49,199
Production and transportation	$69,167	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

38%

Some college

22%

Associate's

14%

Bachelor's

14%

Graduate

High school graduate or higher: 91.1%
Bachelor's degree or higher: 18%
Graduate or professional degree: 3.5%
Households with broadband: 91.3%
Cable, fiber or DSL: 66.1%
No internet access: 6.3%
Without health insurance: 0.9%
Limited-English households: 0%

Geography

City (USPS): Coulee City
State: Washington
County: Douglas County
Center point: 47.6741° N, 119.3777° W
Land area: 420 sq mi
Water area: 29 sq mi
Time zone: Pacific Time (UTC-8, UTC-7 in summer)
Zip type: Residential delivery area

99115 spans 2 counties

Douglas County70% of land
Grant County30% of land

Zip codes near 99115

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
99135	Hartline, WA	13 mi	395	$80,469	—
98853	Stratford, WA	15 mi	6	—	—
98830	Mansfield, WA	16 mi	557	$83,125	$262,500
98851	Soap Lake, WA	18 mi	4,437	$63,333	$242,800
98860	Wilson Creek, WA	19 mi	277	$62,500	$185,100
99123	Electric City, WA	21 mi	977	$87,841	$245,600
99103	Almira, WA	22 mi	556	$53,125	$230,900
98858	Waterville, WA	24 mi	1,783	$78,669	$259,300
98813	Bridgeport, WA	26 mi	2,826	$49,969	$177,000
99133	Grand Coulee, WA	26 mi	1,115	$68,854	$229,900
98823	Ephrata, WA	26 mi	12,188	$73,074	$267,300
98832	Marlin, WA	29 mi	87	$31,964	$309,100

Zip codes like 99115 elsewhere

Matched on income, home values, age, density, education, housing and commuting

Questions about 99115

What city is zip code 99115?

99115 is assigned to Coulee City, Washington. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 99115 in?

99115 is mostly in Douglas County, but it extends into 1 other county.

What is the population of 99115?

About 1,369 people live in 99115, according to the Census Bureau's American Community Survey.

What time zone is 99115 in?

99115 is in Pacific Time.

What is the median household income in 99115?

The median household income in 99115 is $62,708.

What zip codes are near 99115?

The closest zip codes to 99115 are 99135, 98853, 98830, 98851, 98860.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 99115, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.