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.

12,638
population
298.23
sq mi land
Standard
ZIP type
Pacific (PT)
timezone
98823 ZIP code map
Cities in ZIP code 98823

Below are the cities the US Postal Service accepts for ZIP code 98823. Using any city not on this list may result in mail delivery delays.

City Status
Ephrata Preferred
Nearby ZIP codes
98848 Quincy (10.4 mi) 98851 Soap Lake (12.8 mi) 98845 Palisades (16.6 mi) 98837 Moses Lake (17.1 mi)
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
Total population by age
Gender
Race & ethnicity
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

12,638
Population
42
People per sq mi
33.5
Median age
$67,031
Median household income
$28,787
Per capita income
$223,200
Median home value
$977
Median monthly rent
68.5%
Home ownership
15.4%
Poverty rate
4.3%
Unemployment
3,305
Housing units
14.9%
Bachelor's or higher

Age distribution

Male Female
447
Under 5
371
591
5–9
491
768
10–14
637
601
15–19
499
343
20–24
284
922
25–34
766
805
35–44
669
745
45–54
618
345
55–59
287
351
60–64
291
557
65–74
463
318
75–84
264
112
85+
93
← Male
Female →

Age summary

GroupCount%
Under 184,07732.3%
18 and over8,56167.7%
65 and over1,80714.3%
Median age33.5 years

Race & ethnicity

White 57.7%
Hispanic or Latino 18.6%
Other race 13.3%
Two or more races 7.8%
American Indian / Alaska Native 1.7%
Black or African American 0.6%
Asian 0.3%
GroupCount%
White8,96657.7%
Hispanic or Latino2,89018.6%
Other race2,06813.3%
Two or more races1,2057.8%
American Indian / Alaska Native2671.7%
Black or African American910.6%
Asian410.3%

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%
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%
Range% of households
Under $10k3.4%
$10k–$15k3.4%
$15k–$25k7.1%
$25k–$35k9.9%
$35k–$50k14.8%
$50k–$75k16.0%
$75k–$100k20.0%
$100k–$150k15.5%
$150k–$200k4.8%
$200k+5.3%
Median income$67,031

Housing

Home values

Under $50k 10.2%
$50k–$100k 6.4%
$100k–$150k 14.0%
$150k–$200k 11.4%
$200k–$300k 31.6%
$300k–$500k 22.1%
$500k–$1M 3.1%
$1M+ 1.1%

Housing overview

MetricValue
Median home value$223,200
Median rent / month$977
Owner occupied68.5%
Renter occupied31.5%
Vacant5.9%
Single-family detached69.4%
Large apartment buildings2.7%
Mobile homes19.0%
Median rooms5.9
Avg household size (owned)2.77

Year built

Era%
2020 or later0.0%
2010–20198.3%
2000–20097.9%
1990–199916.8%
1980–198911.3%
1970–197912.1%
1960–19694.0%
1950–195924.0%
1940–194911.2%
1939 or earlier4.6%

Bedrooms

Size% of units
No bedroom (studio)0.8%
1 bedroom3.4%
2 bedrooms30.7%
3 bedrooms44.2%
4 bedrooms13.5%
5+ bedrooms7.5%

Vehicles per household

Vehicles% of households
No vehicle1.6%
1 vehicle23.6%
2 vehicles45.7%
3 or more29.1%

Heating fuel

Fuel type%
Electricity99.5%
Wood0.5%

Households & families

Household typeCount%
Married-couple family2,21250.1%
Cohabiting couple3708.4%
Male householder, no spouse89720.3%
Female householder, no spouse94021.3%
Households with children under 181,82641.3%
Households with seniors (65+)1,20927.4%
Average household size2.82

Marital status

StatusMaleFemale
Never married37.7%21.3%
Married46.8%57.2%
Separated2.8%2.0%
Widowed5.7%9.4%
Divorced7.1%10.2%

Education

Less than 9th grade 5.0%
Some HS, no diploma 6.5%
HS graduate 31.4%
Some college, no degree 29.7%
Associate's degree 12.6%
Bachelor's degree 9.0%
Graduate / professional 5.9%
Metric%
HS diploma or higher88.5%
Bachelor's or higher14.9%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool1985.4%
Kindergarten1484.0%
Elementary school2,16659.2%
High school84223.0%
College / grad school3068.4%

Employment

Industry of employment

Education & healthcare 23.8%
Agriculture & mining 13.0%
Professional & management 10.7%
Arts, food & hospitality 9.2%
Manufacturing 8.8%
Transportation & utilities 7.5%
Public administration 7.3%
Retail trade 5.4%
Construction 4.3%
Wholesale trade 2.9%
Other services 2.9%
Finance & real estate 2.7%
Information 1.6%

Occupation

Category%
Management, business & arts35.5%
Service17.9%
Sales & office15.8%
Natural resources & construction14.8%
Production & transportation16.0%

Employment type

Type%
Private sector70.6%
Government24.9%
Self-employed4.5%
Unpaid family workers0.0%

Commute

Method%
Drive alone78.6%
Carpool12.7%
Public transit0.2%
Walk1.5%
Work from home6.1%
Other means0.9%
Avg commute (minutes)20.8

Poverty

All people 15.4%
Under 18 years 18.3%
18 and over 13.9%
Married-couple families 4.1%
Female-led households 41.4%

Income support

Source% of households
Social Security27.0%
Retirement income24.5%
Supplemental Security1.9%
Cash public assistance1.0%
Food stamps / SNAP13.4%

Health indicators

Condition%
Obesity30.5%
High blood pressure32.8%
High cholesterol35.6%
Diabetes10.0%
Heart disease6.5%
Stroke3.2%
Asthma11.0%
Arthritis24.1%
Kidney disease3.0%
Pulmonary disease6.9%
Cancer6.8%
Behavior / access%
Smoking16.6%
Binge drinking16.6%
No physical activity20.8%
Less than 7 hrs sleep29.2%
Depression23.8%
Fair or poor health15.2%
Poor mental health15.8%
Poor physical health11.7%
No health insurance13.8%
Visited doctor (checkup)69.1%
Visited dentist65.6%
Cholesterol screening86.4%
Teeth loss13.4%

Veterans & disability

VeteransCount%
Civilian veterans7729.0%
Disability%
Any disability12.4%
Under 184.5%
18–64 years9.8%
65 and over40.3%

Health insurance coverage

Type%
Private insurance57.1%
Public insurance47.2%
No insurance7.0%
Uninsured under 191.8%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only11,82093.5%
Spanish4954.2%
Other Indo-European4854.1%
Asian & Pacific Islander90.1%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)11,84593.7%
Born in same state11,64092.1%
Born in different state8,64468.4%
Foreign born2051.6%
Naturalized citizen7936.3%
Not a US citizen28235.6%

Ancestry

AncestryCount%
French1,36710.8%
Italian1,1999.5%
Arab8616.8%
Polish5004%
AncestryCount%
English3082.4%
Dutch1000.8%
German280.2%
Irish190.2%

Technology access

Metric% of households
Computer access35.0%
Internet access92.5%

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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