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99115 ZIP Code

Coulee City, Washington

December 30, 2025
ZIP Code:99115
City/Town:Coulee City
County:Grant
State:Washington
ZIP Type:Standard
Population:1,224
Median Household Income:$46,343
Per Capita Income:$35,469
Total Housing Units:1,011
Median Home Value:$146,800
Land Area:420.0 sq miles
1087.8 sq km
Water Area:28.8 sq miles
74.5 sq km
Coordinates:47.6741, -119.3777

Population Information (99115 zip code)

#%US
Total Population:1,224----
Male:59748.8%49.6%
Female:62751.2%50.4%
Median Age:48.7 yrs--38.5 yrs
Under 5 years:1209.8%5.7%
5 to 9 years:534.3%6.0%
10 to 14 years:574.7%6.5%
15 to 19 years:383.1%6.6%
20 to 24 years:524.2%6.7%
25 to 34 years:19015.5%13.7%
35 to 44 years:786.4%12.9%
45 to 54 years:13010.6%12.4%
55 to 59 years:947.7%6.5%
60 to 64 years:352.9%6.4%
65 to 74 years:23919.5%9.7%
75 to 84 years:1189.6%4.8%
85 years and over:201.6%2.0%

Housing Information (99115 zip code)

#%US
Median home value:$146,800--$281,900
Median rooms:4.8--5.5
Median rent:$689 / mo.--$1,268 / mo.
Total housing units:1,011----
Occupied housing units:51751.1%38.0%
Vacant housing units:49448.9%4.6%
Housing tenure:------
Owner-occupied:37973.3%64.8%
Renter-occupied:13826.7%35.2%

Educational Attainment (99115 zip code)

#%US
Population 25 years and over:904----
Less than 9th grade:252.8%4.7%
9th to 12th grade, no diploma:717.9%6.1%
High school graduate:27730.6%26.4%
Some college, no degree:24226.8%19.7%
Associate degree:13414.8%8.7%
Bachelor's degree:13314.7%20.9%
Graduate or professional degree:222.4%13.7%
Percent high school graduate or higher:--89.4%89.1%
Percent bachelor's degree or higher:--17.1%34.3%

Income Information (99115 zip code)

ValueUS
Median household income:$46,343 / yr.$75,149 / yr.
Mean household income:$54,592 / yr.$105,833 / yr.
Median family income:$63,304 / yr.$92,646 / yr.
Per capita income:$35,469 / yr.$41,261 / yr.

Employment (99115 zip code)

#%US
In labor force:430--63.5%
Employed:39892.6%96.4%
Unemployed:327.4%5.3%
Not in labor force:560----
Class of Worker:------
Private wage and salary:30777.1%79.7%
Government workers:6917.3%14.2%
Self-employed:205.0%5.9%
Unpaid family workers:20.5%0.1%

Race & Ethnicity (99115 zip code)

#%US
Race (one race):------
White:1,01582.9%61.6%
Black or African American:272.2%12.4%
American Indian/Alaska Native:292.4%1.1%
Asian:151.2%6.0%
Native Hawaiian/Pacific Islander:00.0%0.2%
Some other race:30.2%8.4%
Two or more races:13511.0%10.2%
Hispanic or Latino (any race):645.2%18.7%
Mexican:90.7%11.2%
Puerto Rican:90.7%1.8%
Cuban:00.0%0.7%
Other Hispanic or Latino:00.0%5.0%
Not Hispanic or Latino:00.0%81.1%

Income Distribution (99115 zip code)

Household IncomeHouseholds%US
Less than $10,000:51.0%4.9%
$10,000 to $14,999:428.1%3.8%
$15,000 to $24,999:8616.6%7.0%
$25,000 to $34,999:5510.6%7.4%
$35,000 to $49,999:8817.0%10.7%
$50,000 to $74,999:13826.7%16.1%
$75,000 to $99,999:428.1%12.8%
$100,000 to $149,999:5610.8%17.1%
$150,000 to $199,999:30.6%8.8%
$200,000 or more:20.4%11.4%

Commute to Work (99115 zip code)

Commute MethodWorkers%US
Drove alone:29975.1%67.8%
Carpooled:246.0%8.7%
Public transportation:00.0%4.2%
Walked:61.5%2.5%
Other means:82.0%0.9%
Worked from home:6115.3%13.8%
Mean travel time to work:23.0 min--26.7 min

Industry (99115 zip code)

Industry SectorWorkers%US
Agriculture, forestry, fishing, mining:12731.9%1.6%
Construction:174.3%6.9%
Manufacturing:184.5%10.0%
Wholesale trade:92.3%2.4%
Retail trade:266.5%11.0%
Transportation, warehousing, utilities:133.3%5.8%
Information:00.0%1.9%
Finance, insurance, real estate:00.0%6.7%
Professional, scientific, management:164.0%12.1%
Education, health care, social services:10827.1%23.3%
Arts, entertainment, food services:276.8%9.0%
Other services:246.0%4.7%
Public administration:133.3%4.7%

Poverty Status (99115 zip code)

#%US
Poverty Rate:--11.6%8.8%
All people below poverty level:------
Under 18 years:----16.3%
18 to 64 years:----11.0%
65 years and over:----10.3%

Health Insurance (99115 zip code)

#%US
With health insurance:1,17195.7%91.3%
Private health insurance:67855.4%67.6%
Public health coverage:63852.1%35.9%
Without health insurance:534.3%8.7%

Benefits & Assistance (99115 zip code)

Households with:#%US
Earnings:30158.2%77.4%
Social Security income:27954.0%31.0%
Retirement income:15029.0%21.8%
Supplemental Security Income (SSI):468.9%4.5%
Cash public assistance income:00.0%1.8%
SNAP (food stamps) benefits:6111.8%11.4%

Housing Types (99115 zip code)

Structure TypeUnits%US
1-unit, detached:54854.2%61.4%
1-unit, attached:00.0%6.1%
2 units:80.8%3.4%
3 or 4 units:111.1%4.3%
5 to 9 units:00.0%4.6%
10 to 19 units:70.7%4.3%
20 or more units:00.0%9.9%
Mobile home:43342.8%5.8%
Boat, RV, van, etc.:40.4%0.1%

Year Structure Built (99115 zip code)

Year BuiltUnits%US
Built 2020 or later:101.0%0.6%
Built 2010 to 2019:706.9%8.2%
Built 2000 to 2009:15215.0%13.5%
Built 1990 to 1999:14113.9%13.2%
Built 1980 to 1989:686.7%13.2%
Built 1970 to 1979:14914.7%14.6%
Built 1960 to 1969:919.0%10.2%
Built 1950 to 1959:333.3%9.9%
Built 1940 to 1949:605.9%4.6%
Built 1939 or earlier:23723.4%12.0%

Bedrooms (99115 zip code)

Number of BedroomsUnits%US
No bedroom (studio):00.0%2.4%
1 bedroom:33032.6%3.0%
2 bedrooms:25925.6%9.1%
3 bedrooms:29228.9%15.9%
4 bedrooms:616.0%18.8%
5 or more bedrooms:696.8%17.6%

Heating Fuel (99115 zip code)

Fuel TypeUnits%US
Utility gas:224.3%47.1%
Bottled, tank, or LP gas:193.7%4.9%
Electricity:47090.9%40.2%
Fuel oil, kerosene, etc.:61.2%4.2%
Coal or coke:00.0%0.1%
Wood:00.0%1.5%
Solar energy:00.0%0.1%
Other fuel:00.0%0.5%
No fuel used:00.0%0.2%

Vehicles Available (99115 zip code)

VehiclesHouseholds%US
No vehicle available:367.0%8.3%
1 vehicle available:11923.0%32.6%
2 vehicles available:22543.5%37.0%
3 or more vehicles available:13726.5%22.1%

Home Value Distribution (99115 zip code)

Value RangeOwner Units%US
Less than $50,000:4010.6%5.7%
$50,000 to $99,999:7419.5%7.8%
$100,000 to $149,999:8221.6%9.2%
$150,000 to $199,999:5414.2%10.8%
$200,000 to $299,999:7419.5%19.9%
$300,000 to $499,999:3910.3%24.1%
$500,000 to $999,999:164.2%17.0%
$1,000,000 or more:00.0%5.6%

Housing Costs (99115 zip code)

ValueUS
Median owner costs (with mortgage):$894 / mo.$1,828 / mo.
Median owner costs (no mortgage):$377 / mo.$584 / mo.
Median gross rent:$689 / mo.$1,268 / mo.
Average household size (owner-occupied):2.132.53
Average household size (renter-occupied):3.022.38

Households (99115 zip code)

#%US
Total households:517----
Married-couple households:29456.9%47.5%
Cohabiting couple households:9217.8%7.0%
Male householder, no spouse:8616.6%5.4%
Female householder, no spouse:12123.4%12.7%
Householder living alone:12123.4%28.6%
65 years and over living alone:25549.3%11.8%
Average household size:2.37--2.53
Average family size:2.94----

Marital Status (99115 zip code)

Population 15 years and over#%US
Total:463----
Never married:6614.3%37.0%
Now married:30666.1%49.5%
Separated:5511.9%1.5%
Widowed:224.8%2.6%
Divorced:5010.8%9.3%

School Enrollment (99115 zip code)

Population 3 years and over#%US
Enrolled in school:166----
Nursery school, preschool:00.0%5.8%
Kindergarten:42.4%5.0%
Elementary school (grades 1-8):10663.9%40.5%
High school (grades 9-12):2012.0%21.4%
College or graduate school:3621.7%27.3%

Veterans & Disability (99115 zip code)

#%US
Civilian population 18 years and over:974----
Veterans:697.1%6.3%
Civilian noninstitutionalized population:1,224----
With a disability:26021.2%13.4%
Under 18 with disability:2610.0%5.8%
18 to 64 with disability:10941.9%10.4%
65 and over with disability:12548.1%33.4%

Mobility (Residence 1 Year Ago) (99115 zip code)

Population 1 year and over#%US
Same house:1,16795.3%86.9%
Different house:433.5%13.1%
Same county:2660.5%7.0%
Different county:1330.2%3.2%
Different state:920.9%2.5%
Abroad:49.3%0.4%

Place of Birth (99115 zip code)

#%US
Native born:1,21299.0%86.2%
Foreign born:151.2%13.9%
Naturalized citizen:1280.0%52.7%
Not a citizen:1280.0%47.3%
Foreign-born by region:------
Europe:1280.0%10.5%
Asia:533.3%31.3%
Africa:00.0%5.5%
Oceania:00.0%0.5%
Latin America:00.0%50.0%
Northern America:746.7%2.2%

Language Spoken at Home (99115 zip code)

Population 5 years and over#%US
Total:1,104----
English only:1,10199.7%78.3%
Language other than English:30.3%21.5%
By language:------
Spanish:30.3%13.3%
Other Indo-European languages:00.0%3.5%
Asian/Pacific Island languages:00.0%3.5%
Other languages:00.0%1.0%

Computers & Internet (99115 zip code)

Households%US
Households with a computer:517100.0%93.1%
Households with broadband internet:46489.7%89.4%