Mica ZIP Codes — Spokane County, WA

There is one unique ZIP code in Mica, Washington and it is 99023. Area code: 509.
1
ZIP codes
18.16
sq mi land
0.00
sq mi water
509
area code
Mica, WA ZIP code map

About Mica, WA

Mica, Washington, is a small unincorporated community located in Spokane County. With its serene surroundings and rustic charm, Mica offers a glimpse into rural life in the Pacific Northwest. The ZIP code for Mica is 99023, making it easily identifiable for residents and visitors alike.

Location & geography

Mica is situated in the eastern part of Washington, bordered by lush forests and rolling hills. Nearby cities include Spokane to the west, approximately 17 miles away, as well as Liberty Lake, about 15 miles to the southwest, and the smaller community of Rockford, which is roughly 10 miles to the south. The total land area of Mica spans 18.16 square miles, with no significant water bodies within its boundaries.

Community & economy

The character of Mica is mostly rural, attracting those who appreciate a peaceful lifestyle away from the hustle and bustle of urban areas. The community is engaged in various local industries, including agriculture and small businesses that cater to local needs. Daily life in Mica features a close-knit atmosphere, where residents often come together for community events and gatherings.

Transportation

Mica is easily accessed via local roads, with nearby highways providing important routes for travel. The nearest major highway is Interstate 90, which connects residents to Spokane and other larger cities. The closest airport is Spokane International Airport, located approximately 20 miles to the west, facilitating travel for both residents and visitors.

History

Mica was developed during the late 19th century, originally centered around local agriculture and mining industries. Although it remains a small community, Mica has maintained its historical roots while adapting to modern lifestyles. Notable events in its history include the establishment of local schools and social organizations, which have contributed to the area's sense of community.

Did you know?

One surprising fact about Mica is that it is named after the mineral mica, which is found in the surrounding area. Additionally, despite its small size, Mica has a rich natural environment that attracts outdoor enthusiasts year-round.

ZIP codes for Mica, WA (1)
ZIP code City County Map
99023 Mica Spokane View map

Demographics & statistics

964
Population
39.5
Median age
$142,083
Median household income
$55,551
Per capita income
$612,500
Median home value
$0
Median monthly rent
100.0%
Home ownership
0.0%
Poverty rate
6.9%
Unemployment
290
Housing units
44.9%
Bachelor's or higher

Age distribution

Male Female
47
Under 5
50
27
5–9
30
44
10–14
48
28
15–19
31
14
20–24
15
36
25–34
38
72
35–44
77
66
45–54
72
40
55–59
44
27
60–64
30
15
65–74
16
47
75–84
50
← Male
Female →

Age summary

GroupCount%
Under 1828829.9%
18 and over67670.1%
65 and over12813.3%
Median age39.5 years

Race & ethnicity

White 93.8%
Two or more races 4.2%
Hispanic or Latino 2%
GroupCount%
White92393.8%
Two or more races414.2%
Hispanic or Latino202%

Household income

$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%
Range% of households
$25k–$35k1.4%
$35k–$50k10.3%
$50k–$75k12.1%
$75k–$100k5.9%
$100k–$150k21.0%
$150k–$200k17.6%
$200k+31.7%
Median income$142,083

Housing

Home values

Under $50k 3.1%
$50k–$100k 1.4%
$100k–$150k 1.7%
$150k–$200k 5.5%
$200k–$300k 9.0%
$300k–$500k 13.8%
$500k–$1M 60.7%
$1M+ 4.8%

Housing overview

MetricValue
Median home value$612,500
Median rent / month$0
Owner occupied100.0%
Renter occupied0.0%
Vacant0.0%
Single-family detached90.3%
Large apartment buildings0.0%
Mobile homes9.7%
Median rooms8.0
Avg household size (owned)3.32

Year built

Era%
2020 or later0.0%
2010–201921.0%
2000–200919.0%
1990–199923.1%
1980–198910.7%
1970–197915.2%
1960–19698.3%
1950–19590.0%
1940–19490.0%
1939 or earlier2.8%

Bedrooms

Size% of units
No bedroom (studio)0.0%
1 bedroom0.0%
2 bedrooms9.3%
3 bedrooms37.6%
4 bedrooms28.6%
5+ bedrooms24.5%

Vehicles per household

Vehicles% of households
No vehicle2.8%
1 vehicle4.1%
2 vehicles42.1%
3 or more51.0%

Heating fuel

Fuel type%
Utility gas44.1%
Electricity44.1%
Wood11.7%

Households & families

Household typeCount%
Married-couple family26491.0%
Cohabiting couple82.8%
Male householder, no spouse144.8%
Female householder, no spouse41.4%
Households with children under 1812844.1%
Households with seniors (65+)7525.9%
Average household size3.32

Marital status

StatusMaleFemale
Never married21.8%15.7%
Married76.0%78.1%
Separated0.0%0.0%
Widowed0.0%1.1%
Divorced2.2%5.1%

Education

Less than 9th grade 6.8%
Some HS, no diploma 0.0%
HS graduate 17.6%
Some college, no degree 17.5%
Associate's degree 13.2%
Bachelor's degree 34.4%
Graduate / professional 10.5%
Metric%
HS diploma or higher93.2%
Bachelor's or higher44.9%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool187.1%
Kindergarten197.5%
Elementary school12850.8%
High school5120.2%
College / grad school3614.3%

Employment

Industry of employment

Education & healthcare 21.5%
Manufacturing 14.6%
Retail trade 14.1%
Wholesale trade 12.9%
Arts, food & hospitality 8.9%
Finance & real estate 8.1%
Professional & management 7.9%
Public administration 7.9%
Construction 2.2%
Other services 1.9%

Occupation

Category%
Management, business & arts48.3%
Service15.3%
Sales & office15.3%
Natural resources & construction6.0%
Production & transportation15.1%

Employment type

Type%
Private sector71.8%
Government18.4%
Self-employed9.8%
Unpaid family workers0.0%

Commute

Method%
Drive alone70.8%
Carpool12.7%
Public transit0.0%
Walk2.9%
Other means4.3%
Avg commute (minutes)33.0

Poverty

All people 0.0%
Under 18 years 0.0%
18 and over 0.0%
Married-couple families 0.0%
Female-led households 0.0%

Income support

Source% of households
Social Security25.9%
Retirement income35.5%
Supplemental Security0.0%
Cash public assistance0.0%
Food stamps / SNAP2.8%

Health indicators

Condition%
High blood pressure27.6%
High cholesterol32.2%
Heart disease5.1%
Stroke2.3%
Asthma10.5%
Arthritis26.0%
Kidney disease2.3%
Pulmonary disease5.3%
Cancer6.8%
Behavior / access%
Binge drinking17.7%
No physical activity14.9%
Less than 7 hrs sleep30.4%
Fair or poor health10.5%
Poor mental health14.0%
Poor physical health9.3%
No health insurance7.1%
Visited doctor (checkup)70.3%
Visited dentist74.7%
Cholesterol screening91.3%
Teeth loss7.6%

Veterans & disability

VeteransCount%
Civilian veterans13820.4%
Disability%
Any disability15.6%
Under 185.6%
18–64 years17.5%
65 and over29.7%

Health insurance coverage

Type%
Private insurance86.5%
Public insurance21.1%
Uninsured under 194.1%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only86789.9%
Spanish00.0%
Other Indo-European00.0%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)964100.0%
Born in same state964100.0%
Born in different state56758.8%
Foreign born00.0%
Naturalized citizen00.0%
Not a US citizen00.0%

Ancestry

AncestryCount%
Arab12913.4%
Italian899.2%
French767.9%
AncestryCount%
Polish636.5%
Dutch293%
German80.8%

Technology access

Metric% of households
Computer access30.1%
Internet access91.4%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions
What ZIP codes does Mica, WA have?
Mica, WA has one ZIP code: 99023. Each ZIP code serves a distinct delivery area within the city and surrounding region.
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