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Washington ZIP Codes
Spokane County
Mica, WA
99023
99023 ZIP Code — Mica, WA
Spokane County, Washington
ZIP code 99023 is located in
Mica ,
Washington ,
within Spokane County .
It covers approximately 18.16 square miles and serves a population of
964 residents.
This is a standard ZIP code in the Pacific (PT) timezone,
served by area code 509 .
About ZIP code 99023
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $612,500.
The gap between median ($142,083) and mean household income suggests income inequality — a small number of higher earners pull the average up.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 33 minutes is near the national average.
Educational attainment is near the national average, with 45% of residents holding a bachelor's degree or higher.
Notable community characteristics include a notable veteran presence at 20% of civilians, above the national average of 7%.
Overall, ZIP code 99023 reflects a community defined by a strong veteran community and high homeownership.
99023 ZIP code map
View map of 99023
Cities in ZIP code 99023
Below are the cities the US Postal Service accepts for ZIP code 99023. Using any city not on this list may result in mail delivery delays.
City
Status
Mica
Acceptable
Mica
Preferred
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
964
Population density
53 / sq mi
State FIPS
53
County FIPS
063
Geography
Land area
18.16 sq mi
Water area
0.00 sq mi
Latitude
47.5474
Longitude
-117.1525
Timezone
Pacific (PT)
Area code
509
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
7.5%
41.6%
31.7%
$50k – $100k
31.7%
32.2%
30.6%
$100k – $200k
25.1%
20.8%
27.1%
Over $200k
35.7%
5.5%
10.6%
Demographics & statistics
$142,083
Median household income
$612,500
Median home value
44.9%
Bachelor's or higher
Age distribution
Age summary
Group Count % Under 18 288 29.9% 18 and over 676 70.1% 65 and over 128 13.3% Median age 39.5 years
Race & ethnicity
Group Count % White 923 93.8% Two or more races 41 4.2% Hispanic or Latino 20 2%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
7.5%
41.6%
31.7%
$50k – $100k
31.7%
32.2%
30.6%
$100k – $200k
25.1%
20.8%
27.1%
Over $200k
35.7%
5.5%
10.6%
Range % of households $25k–$35k 1.4% $35k–$50k 10.3% $50k–$75k 12.1% $75k–$100k 5.9% $100k–$150k 21.0% $150k–$200k 17.6% $200k+ 31.7% Median income $142,083
Housing
Housing overview
Metric Value Median home value $612,500 Median rent / month $0 Owner occupied 100.0% Renter occupied 0.0% Vacant 0.0% Single-family detached 90.3% Large apartment buildings 0.0% Mobile homes 9.7% Median rooms 8.0 Avg household size (owned) 3.32
Year built
Era % 2020 or later 0.0% 2010–2019 21.0% 2000–2009 19.0% 1990–1999 23.1% 1980–1989 10.7% 1970–1979 15.2% 1960–1969 8.3% 1950–1959 0.0% 1940–1949 0.0% 1939 or earlier 2.8%
Bedrooms
Size % of units No bedroom (studio) 0.0% 1 bedroom 0.0% 2 bedrooms 9.3% 3 bedrooms 37.6% 4 bedrooms 28.6% 5+ bedrooms 24.5%
Vehicles per household
Vehicles % of households No vehicle 2.8% 1 vehicle 4.1% 2 vehicles 42.1% 3 or more 51.0%
Heating fuel
Fuel type % Utility gas 44.1% Electricity 44.1% Wood 11.7%
Households & families
Household type Count % Married-couple family 264 91.0% Cohabiting couple 8 2.8% Male householder, no spouse 14 4.8% Female householder, no spouse 4 1.4% Households with children under 18 128 44.1% Households with seniors (65+) 75 25.9% Average household size 3.32
Marital status
Status Male Female Never married 21.8% 15.7% Married 76.0% 78.1% Separated 0.0% 0.0% Widowed 0.0% 1.1% Divorced 2.2% 5.1%
Education
Some college, no degree
17.5%
Graduate / professional
10.5%
Metric % HS diploma or higher 93.2% Bachelor's or higher 44.9%
School enrollment (ages 3–17)
Type Count % Nursery / preschool 18 7.1% Kindergarten 19 7.5% Elementary school 128 50.8% High school 51 20.2% College / grad school 36 14.3%
Employment
Industry of employment
Education & healthcare
21.5%
Arts, food & hospitality
8.9%
Finance & real estate
8.1%
Professional & management
7.9%
Public administration
7.9%
Occupation
Category % Management, business & arts 48.3% Service 15.3% Sales & office 15.3% Natural resources & construction 6.0% Production & transportation 15.1%
Employment type
Type % Private sector 71.8% Government 18.4% Self-employed 9.8% Unpaid family workers 0.0%
Commute
Method % Drive alone 70.8% Carpool 12.7% Public transit 0.0% Walk 2.9% Work from home 9.3% Other means 4.3% Avg commute (minutes) 33.0
Poverty
Married-couple families
0.0%
Female-led households
0.0%
Income support
Source % of households Social Security 25.9% Retirement income 35.5% Supplemental Security 0.0% Cash public assistance 0.0% Food stamps / SNAP 2.8%
Health indicators
Condition % Obesity 31.9% High blood pressure 27.6% High cholesterol 32.2% Diabetes 7.6% Heart disease 5.1% Stroke 2.3% Asthma 10.5% Arthritis 26.0% Kidney disease 2.3% Pulmonary disease 5.3% Cancer 6.8%
Behavior / access % Smoking 13.0% Binge drinking 17.7% No physical activity 14.9% Less than 7 hrs sleep 30.4% Depression 24.9% Fair or poor health 10.5% Poor mental health 14.0% Poor physical health 9.3% No health insurance 7.1% Visited doctor (checkup) 70.3% Visited dentist 74.7% Cholesterol screening 91.3% Teeth loss 7.6%
Veterans & disability
Veterans Count % Civilian veterans 138 20.4%
Disability % Any disability 15.6% Under 18 5.6% 18–64 years 17.5% 65 and over 29.7%
Health insurance coverage
Type % Private insurance 86.5% Public insurance 21.1% No insurance 4.0% Uninsured under 19 4.1%
Language & origin
Language spoken at home (age 5+)
Language Count % English only 867 89.9% Spanish 0 0.0% Other Indo-European 0 0.0% Asian & Pacific Islander 0 0.0% Other languages 0 0.0%
Place of birth & citizenship
Origin Count % Native born (US) 964 100.0% Born in same state 964 100.0% Born in different state 567 58.8% Foreign born 0 0.0% Naturalized citizen 0 0.0% Not a US citizen 0 0.0%
Ancestry
Ancestry Count % Arab 129 13.4% Italian 89 9.2% French 76 7.9%
Ancestry Count % Polish 63 6.5% Dutch 29 3% German 8 0.8%
Technology access
Metric % of households Computer access 30.1% Internet access 91.4%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 99023
What city is ZIP code 99023 in?
ZIP code 99023 is primarily assigned to Mica, Washington.
What county is ZIP code 99023 in?
ZIP code 99023 falls within Spokane County, Washington.
Does ZIP code 99023 have a large veteran population?
20% of civilians in ZIP code 99023 are veterans, above the national average of ~7%.
What is the median household income in ZIP code 99023?
The median household income in ZIP code 99023 is $142,083, above the national median of ~$75,000.
What is the typical home value in ZIP code 99023?
The median home value in ZIP code 99023 is $612,500.
What is the population of ZIP code 99023?
ZIP code 99023 has an estimated population of 964 residents, with a density of 53 people per square mile.
What timezone is ZIP code 99023 in?
ZIP code 99023 observes the PST timezone.
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