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Washington ZIP Codes
Grant County
Ephrata, WA
98823
98823 ZIP Code — Ephrata, WA
Grant County, Washington
ZIP code 98823 is located in
Ephrata ,
Washington ,
within Grant County .
It covers approximately 298.23 square miles and serves a population of
12,638 residents.
This is a standard ZIP code in the Pacific (PT) timezone,
served by area code 509 .
About ZIP code 98823
The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the 1950s, giving the area an established character. Median home value is $223,200. Owner-occupancy sits near the national average at 69%.
Median household income is $67,031.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 21 minutes is near the national average.
College attainment at 15% is below the national average, consistent with a trades and production-oriented local economy.
98823 ZIP code map
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Cities in ZIP code 98823
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
12,638
Population density
42 / sq mi
State FIPS
53
County FIPS
025
Geography
Land area
298.23 sq mi
Water area
0.00 sq mi
Latitude
47.2724
Longitude
-119.5993
Timezone
Pacific (PT)
Area code
509
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
35.3%
42.1%
31.7%
$50k – $100k
38.2%
34.5%
30.6%
$100k – $200k
22.9%
19.6%
27.1%
Over $200k
3.6%
3.7%
10.6%
Demographics & statistics
$67,031
Median household income
$223,200
Median home value
14.9%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 4,077 32.3%
18 and over 8,561 67.7%
65 and over 1,807 14.3%
Median age 33.5 years
Race & ethnicity
American Indian / Alaska Native
1.7%
Black or African American
0.6%
Group Count %
White 8,966 57.7%
Hispanic or Latino 2,890 18.6%
Other race 2,068 13.3%
Two or more races 1,205 7.8%
American Indian / Alaska Native 267 1.7%
Black or African American 91 0.6%
Asian 41 0.3%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
35.3%
42.1%
31.7%
$50k – $100k
38.2%
34.5%
30.6%
$100k – $200k
22.9%
19.6%
27.1%
Over $200k
3.6%
3.7%
10.6%
Range % of households
Under $10k 3.4%
$10k–$15k 3.4%
$15k–$25k 7.1%
$25k–$35k 9.9%
$35k–$50k 14.8%
$50k–$75k 16.0%
$75k–$100k 20.0%
$100k–$150k 15.5%
$150k–$200k 4.8%
$200k+ 5.3%
Median income $67,031
Housing
Housing overview
Metric Value
Median home value $223,200
Median rent / month $977
Owner occupied 68.5%
Renter occupied 31.5%
Vacant 5.9%
Single-family detached 69.4%
Large apartment buildings 2.7%
Mobile homes 19.0%
Median rooms 5.9
Avg household size (owned) 2.77
Year built
Era %
2020 or later 0.0%
2010–2019 8.3%
2000–2009 7.9%
1990–1999 16.8%
1980–1989 11.3%
1970–1979 12.1%
1960–1969 4.0%
1950–1959 24.0%
1940–1949 11.2%
1939 or earlier 4.6%
Bedrooms
Size % of units
No bedroom (studio) 0.8%
1 bedroom 3.4%
2 bedrooms 30.7%
3 bedrooms 44.2%
4 bedrooms 13.5%
5+ bedrooms 7.5%
Vehicles per household
Vehicles % of households
No vehicle 1.6%
1 vehicle 23.6%
2 vehicles 45.7%
3 or more 29.1%
Heating fuel
Fuel type %
Electricity 99.5%
Wood 0.5%
Households & families
Household type Count %
Married-couple family 2,212 50.1%
Cohabiting couple 370 8.4%
Male householder, no spouse 897 20.3%
Female householder, no spouse 940 21.3%
Households with children under 18 1,826 41.3%
Households with seniors (65+) 1,209 27.4%
Average household size 2.82
Marital status
Status Male Female
Never married 37.7% 21.3%
Married 46.8% 57.2%
Separated 2.8% 2.0%
Widowed 5.7% 9.4%
Divorced 7.1% 10.2%
Education
Some college, no degree
29.7%
Graduate / professional
5.9%
Metric %
HS diploma or higher 88.5%
Bachelor's or higher 14.9%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 198 5.4%
Kindergarten 148 4.0%
Elementary school 2,166 59.2%
High school 842 23.0%
College / grad school 306 8.4%
Employment
Industry of employment
Education & healthcare
23.8%
Agriculture & mining
13.0%
Professional & management
10.7%
Arts, food & hospitality
9.2%
Transportation & utilities
7.5%
Public administration
7.3%
Finance & real estate
2.7%
Occupation
Category %
Management, business & arts 35.5%
Service 17.9%
Sales & office 15.8%
Natural resources & construction 14.8%
Production & transportation 16.0%
Employment type
Type %
Private sector 70.6%
Government 24.9%
Self-employed 4.5%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 78.6%
Carpool 12.7%
Public transit 0.2%
Walk 1.5%
Work from home 6.1%
Other means 0.9%
Avg commute (minutes) 20.8
Poverty
Married-couple families
4.1%
Female-led households
41.4%
Income support
Source % of households
Social Security 27.0%
Retirement income 24.5%
Supplemental Security 1.9%
Cash public assistance 1.0%
Food stamps / SNAP 13.4%
Health indicators
Condition %
Obesity 30.5%
High blood pressure 32.8%
High cholesterol 35.6%
Diabetes 10.0%
Heart disease 6.5%
Stroke 3.2%
Asthma 11.0%
Arthritis 24.1%
Kidney disease 3.0%
Pulmonary disease 6.9%
Cancer 6.8%
Behavior / access %
Smoking 16.6%
Binge drinking 16.6%
No physical activity 20.8%
Less than 7 hrs sleep 29.2%
Depression 23.8%
Fair or poor health 15.2%
Poor mental health 15.8%
Poor physical health 11.7%
No health insurance 13.8%
Visited doctor (checkup) 69.1%
Visited dentist 65.6%
Cholesterol screening 86.4%
Teeth loss 13.4%
Veterans & disability
Veterans Count %
Civilian veterans 772 9.0%
Disability %
Any disability 12.4%
Under 18 4.5%
18–64 years 9.8%
65 and over 40.3%
Health insurance coverage
Type %
Private insurance 57.1%
Public insurance 47.2%
No insurance 7.0%
Uninsured under 19 1.8%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 11,820 93.5%
Spanish 495 4.2%
Other Indo-European 485 4.1%
Asian & Pacific Islander 9 0.1%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 11,845 93.7%
Born in same state 11,640 92.1%
Born in different state 8,644 68.4%
Foreign born 205 1.6%
Naturalized citizen 793 6.3%
Not a US citizen 282 35.6%
Ancestry
Ancestry Count %
French 1,367 10.8%
Italian 1,199 9.5%
Arab 861 6.8%
Polish 500 4%
Ancestry Count %
English 308 2.4%
Dutch 100 0.8%
German 28 0.2%
Irish 19 0.2%
Technology access
Metric % of households
Computer access 35.0%
Internet access 92.5%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 98823
What city is ZIP code 98823 in?
ZIP code 98823 is primarily assigned to Ephrata, Washington.
What county is ZIP code 98823 in?
ZIP code 98823 falls within Grant County, Washington.
Is ZIP code 98823 family-oriented?
32% of residents in ZIP code 98823 are under 18, reflecting a younger, family-oriented community.
How educated is the population of ZIP code 98823?
15% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.
What is the poverty rate in ZIP code 98823?
15% of residents in ZIP code 98823 live below the poverty line, above the national average.
What is the population of ZIP code 98823?
ZIP code 98823 has an estimated population of 12,638 residents, with a density of 42 people per square mile.
What timezone is ZIP code 98823 in?
ZIP code 98823 observes the PST timezone.
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