Mica, WA · standard
ZIP Code 99023
Spokane County, Washington - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 529
- 15/sq mi Moderate-density area
- $114,298
- Median income Above-median income area
- $735,300
- Median home value Above-median home value
- 65.2%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Mica pairs an upper-quartile household income with top-decile home values, in a rural, homeowner-dominated area.
- Top 12%
- household income, US ZIPs
- Top 6%
- home value, US ZIPs
- 15
- people per sq mi
- 100%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 99023 against every reporting US ZIP.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 99023 (Mica, WA) rose +14.4% from 2023 to 2024.
ZIP code 99023 is a sparsely populated ZIP (a standard USPS delivery area) in Mica, Spokane County, Washington, home to just 529 residents across 35.3 square miles, a density of 15 people per square mile, in the Los Angeles time zone.
ZIP 99023 skews affluent, with a median household income of $114,298 (26% above the average Washington ZIP), while per-capita income is $49,800. Both reported hardship measures are comparatively low in absolute terms: poverty is 0.0% and unemployment is 0.0%. Housing is both higher-cost and owner-heavy: median home value is $735,300 (44% above the average Washington ZIP), while 100.0% of occupied homes are owner-occupied.
This is a highly-educated ZIP: 65.2% of adults hold a bachelor's degree or higher, the median age is 36, and the average commute is -. The page also surfaces 9 ZIP codes within roughly 10 miles and 6 more in Spokane County, so 99023 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 99023, Mica, WA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
529
Population
35.3
Area (sq mi)
15
People / sq mi
Los Angeles
Time Zone
standard
ZIP Type
Who lives in ZIP 99023?
36.0
Median Age
44.4%
Male
55.6%
Female
0.0%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$114,298
Median Household Income
+26% vs state ZIP avg
$49,800
Per Capita Income
0.0%
Poverty Rate
0.0%
Unemployment Rate
How ZIP 99023 ranks among Washington ZIPs
Mica, WA household income vs. every Washington ZIP code
Median household income among 547 reporting Washington ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$114,298 Top 18% higher than 82% of 547 Washington ZIPs
Each bar is a $20K-wide band; taller bars hold more Washington ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
285housing units
285
Total Housing Units
254
Occupied Units
31
Vacant Units
3.15
Avg Household Size
Occupancy Type
$735,300
Median Home Value
+44% vs state ZIP avg
2003
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
+14.4%
YoY Change (2024)
308
HPI Index (2000 = 100)
+208%
Total Change Since 2000
Home values in ZIP 99023 have increased 14.4% over the past year (2024). Since 2000, this ZIP has seen +208% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2019 | +6.4% | 200 |
| 2020 | +2.2% | 204 |
| 2021 | +23.7% | 252 |
| 2022 | +6.8% | 269 |
| 2024 | +14.4% | 308 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 14 business establishments in ZIP 99023, employing approximately 68 people with a combined annual payroll of $5,692,000.
14
Businesses
68
Employees
$5.7M
Annual Payroll
2
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 6 | 42.9% |
| Professional, scientific, and technical services | 3 | 21.4% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 99023 vs 99016 →
ZIP 99023 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 99206
Spokane (99206)
34,802 residents
- 99216
Spokane (99216)
24,362 residents
- 99212
Spokane (99212)
19,197 residents
- 99037 12,973
Veradale (99037)
12,973 residents
- 99016 12,480
Greenacres (99016)
12,480 residents
- 99019 9,502
Liberty Lake (99019)
9,502 residents
- 99027 6,101
Otis Orchards (99027)
6,101 residents
- 99036 1,448
Valleyford (99036)
1,448 residents
- 99030 1,032
Rockford (99030)
1,032 residents
What this shows Among its immediate neighbors, ZIP 99023 ranks #0 by population - useful context the national average alone can't give.
ZIP 99023 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 99036
Valleyford (99036)
$121,518 median income
- 99019
Liberty Lake (99019)
$120,053 median income
- 99023
Mica (99023)
$114,298 median income
- 99016
Greenacres (99016)
$103,472 median income
- 99037
Veradale (99037)
$87,713 median income
- 99030
Rockford (99030)
$86,250 median income
- 99206
Spokane (99206)
$81,764 median income
- 99027
Otis Orchards (99027)
$74,718 median income
- 99216
Spokane (99216)
$74,278 median income
What this shows By household income, ZIP 99023 ranks #3 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 99016 | Greenacres, WA | 12,480 | 4.3 mi |
| 99037 | Veradale, WA | 12,973 | 5.3 mi |
| 99030 | Rockford, WA | 1,032 | 6.0 mi |
| 99036 | Valleyford, WA | 1,448 | 5.4 mi |
| 99206 | Spokane, WA | 34,802 | 6.1 mi |
| 99216 | Spokane, WA | 24,362 | 8.4 mi |
| 99019 | Liberty Lake, WA | 9,502 | 7.2 mi |
| 99027 | Otis Orchards, WA | 6,101 | 10.5 mi |
| 99212 | Spokane, WA | 19,197 | 9.6 mi |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 99023, both outside WA so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Spokane County
Related Areas
Frequently Asked Questions
What county is ZIP code 99023 in?
ZIP code 99023 (Mica) is located in Spokane County, Washington. Spokane County contains multiple ZIP codes, see the full list at /counties/spokane-wa.
What is the population of ZIP code 99023?
ZIP code 99023 in Mica, WA has a population of 529 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 99023?
The median household income in ZIP 99023 is $114,298, which is 50% above the national average of $76,288.
What is the average home value in ZIP 99023?
The median home value in ZIP 99023 is $735,300, which is 164% above the national average of $278,155.
What is the demographic makeup of ZIP 99023?
The largest racial group in ZIP 99023 is White at 98.5%. Hispanic or Latino residents make up 1.5% of the population.
How many businesses are in ZIP code 99023?
ZIP code 99023 has 14 business establishments employing approximately 68 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
How have home values changed in ZIP code 99023?
According to the FHFA House Price Index, home values in ZIP 99023 increased by 14.4% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 208%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 99023?
In ZIP code 99023, 78.2% of residents aged 25+ have a high school diploma or higher, and 65.2% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
Related
Take this with you
What to do with ZIP 99023's numbers, next.
- See how ZIP 99023 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Mica, WA ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.