Postal Codes

99023 ZIP Code

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ZIP code 99023 covers Mica, Washington, with a population of about 780 and a median household income of $125,909.

Population
78043 per square mile
Median age
39.20.5 points above the US average
Median household income
$125,9091.3× the Washington median
Poverty rate
0%12.4 points below the US average
Typical home value
$732,413up 11.7% in five years
Degree or higher
52.9%17.9 points above the US average
Homeownership
100%35 points above the US average
Time zone
Pacific UTC-08:00observes daylight saving time
Businesses
15

Where 99023 is

Mica, Washington — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population780
Median age39.2
Family households88.7%
Born outside the US0%
Speaks a language other than English at home2.2%
White (non-Hispanic)97.9%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino2.1%
Veterans28%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$125,909
Income per person$49,458
Poverty rate0%
Households on SNAP or cash assistance1.6%

Household income distribution

Under $10k0.0%
$10–15k0.0%
$15–20k0.0%
$20–25k0.0%
$25–30k0.0%
$30–35k1.6%
$35–40k0.0%
$40–45k8.2%
$45–50k2.7%
$50–60k7.0%
$60–75k4.3%
$75–100k15.6%
$100–125k9.0%
$125–150k11.7%
$150–200k10.5%
$200k or more29.3%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed310
Mean adjusted gross income$112,142
Returns declaring $200,000 or more16.1%
Returns, under $25k22.6%
Returns, $25k–$50k12.9%
Returns, $50k–$75k9.7%
Returns, $75k–$100k12.9%
Returns, $100k–$200k25.8%
Returns, $200k or more16.1%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$700,000
Owner-occupied100%
Vacant homes11.1%
Median year built1998

What the homes are

Detached house81.2%
Mobile home18.8%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$732,413as of 2026-07
Typical home value, 1 yeardown 0.4%
Typical home value, 5 yearsup 11.7%
Typical home value, 10 yearsup 113%
Typical home value since 2000
200020132026$768,520$186,519

$186,519 in 2000 to $732,413 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate6.2%
Bachelor's degree or higher52.9%
High school diploma or higher91.7%
Works from home15.8%
Drives to work alone69.2%
Takes public transport0%
Commutes 45 minutes or more6.1%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity32.5% 0.9 pts below the national average of 33.4%
Diagnosed diabetes9% 3 pts below the national average of 12%
Currently smokes9.8% 3.4 pts below the national average of 13.2%
High blood pressure29.7% 4.4 pts below the national average of 34.1%
Fair or poor general health14.1% 6.2 pts below the national average of 20.3%
No health insurance (18–64)4.9% 6.4 pts below the national average of 11.3%
Depression26.1% 4.2 pts above the national average of 21.9%
No leisure-time physical activity15.5% 9.9 pts below the national average of 25.4%
Arthritis26.8% 1.7 pts above the national average of 25.1%
Binge drinking17.8% 1.8 pts above the national average of 16%
Taking blood pressure medication70.2% 4.5 pts below the national average of 74.7%
Cancer (non-skin)9.2% 1.5 pts above the national average of 7.7%
Current asthma11.6% 1.2 pts above the national average of 10.4%
Coronary heart disease5% 1.2 pts below the national average of 6.2%
Routine check-up in past year74.7% 2 pts below the national average of 76.7%
Cholesterol screening87% 1.1 pts above the national average of 85.9%
Cognitive disability12.2% 2.6 pts below the national average of 14.8%
Colorectal screening70.3% 6 pts above the national average of 64.3%
COPD5% 1.6 pts below the national average of 6.6%
Visited a dentist74.3% 13 pts above the national average of 61.3%
Any disability24.4% 6.3 pts below the national average of 30.7%
Hearing disability5.9% 0.8 pts below the national average of 6.7%
High cholesterol35.5% 0.7 pts below the national average of 36.2%
Independent living disability6.1% 2.3 pts below the national average of 8.4%
Mammography use79.1% 3.2 pts above the national average of 75.9%
Poor mental health (14+ days)15.8% 1 pts below the national average of 16.8%
Mobility disability9.9% 4.1 pts below the national average of 14%
Poor physical health (14+ days)11.8% 1.7 pts below the national average of 13.5%
Self-care disability2.8% 1.2 pts below the national average of 4%
Sleeps under 7 hours29.5% 6.9 pts below the national average of 36.4%
Stroke2.7% 0.7 pts below the national average of 3.4%
All natural teeth lost5.4% 7.6 pts below the national average of 13%
Vision disability3.2% 2.4 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments15
People employed55
Annual payroll$4,544,000
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Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 31.4% of US census tracts
FEMA ratingRelatively Low
Expected annual loss50.7 out of 100
Community resilience66.6 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Wildfire91.8Relatively Moderate at its worst in this ZIP code
Landslide84.7Relatively Low at its worst in this ZIP code
Ice storm75.7Relatively High at its worst in this ZIP code
Avalanche74.9Relatively Low at its worst in this ZIP code
Drought71.1Very Low at its worst in this ZIP code
Cold wave67Relatively High at its worst in this ZIP code
Heat wave45.7Relatively Moderate at its worst in this ZIP code
Winter weather44.8Relatively Moderate at its worst in this ZIP code
Strong wind43.3Relatively Moderate at its worst in this ZIP code
Hail35.4Relatively Low at its worst in this ZIP code
Earthquake28.5Relatively Low at its worst in this ZIP code
River flooding21.4Relatively Moderate at its worst in this ZIP code
Tornado14Very Low at its worst in this ZIP code
Lightning11.7Relatively Low at its worst in this ZIP code
Compared with Washington and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPWashingtonUnited States
Median household income$125,909$94,952$78,538
Income per person$49,458$51,493$43,289
Poverty rate0%9.9%12.4%
Median home value$700,000$519,800$303,400
Median gross rent$1,682$1,348
Homeownership100%63.9%65%
Bachelor's degree or higher52.9%38.8%35%
Unemployment rate6.2%5%5.2%
Works from home15.8%17.7%13.5%
Born outside the US0%15.1%13.9%
Median age39.238.238.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationSPOKANE FELTS FLD, WA US18.6 km away
Rain in a year17 in

Average high and low by month

January37.8°F / 25.8°F2 in rain
February42.5°F / 26.7°F1.32 in rain
March51.3°F / 31.7°F1.82 in rain
April59.6°F / 36.6°F1.5 in rain
May69.7°F / 44.1°F1.7 in rain
June75.8°F / 50.4°F1.48 in rain
July87.1°F / 56°F0.67 in rain
August86.2°F / 54.5°F0.54 in rain
September76°F / 46.8°F0.68 in rain
October60.3°F / 38°F1.46 in rain
November45.1°F / 30.7°F2.01 in rain
December36.9°F / 25.7°F2.18 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarket11% of this ZIP code's area
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Freeman School District96.5% of this ZIP code's land area
Central Valley School District3.5% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability11more vulnerable than 11% of US census tracts
Socioeconomic status9more vulnerable than 9% of US census tracts
Household characteristics10more vulnerable than 10% of US census tracts
Racial and ethnic minority status4more vulnerable than 4% of US census tracts
Housing type and transport46more vulnerable than 46% of US census tracts
Walkability4.9 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

99036 Valleyford, WA8.3 km away
99037 Veradale, WA10.1 km away
99030 Rockford, WA11.5 km away
99016 Greenacres, WA11.6 km away
99019 Liberty Lake, WA12.4 km away
99206 Spokane, WA12.8 km away
99216 Spokane, WA12.9 km away
99213 Spokane, WA14.5 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Spokane County100% of this ZIP code's land area
Time zonePacific (UTC-08:00 standard)
Daylight saving timeObserved
Land area18.16 sq mi
Population density43 people per sq mi
Latitude, longitude47.5538, -117.1637

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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