Spangle, WA · standard
ZIP Code 99031
Spokane County, Washington - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 1,137
- 6/sq mi Low-density area
- $98,182
- Median income Above-median income area
- $423,500
- Median home value Above-median home value
- 26.3%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
Spangle pairs an upper-quartile household income with upper-quartile home values, in a rural, homeowner-dominated area.
- Top 20%
- household income, US ZIPs
- Top 19%
- home value, US ZIPs
- 6
- people per sq mi
- 92%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 99031 against every reporting US ZIP.
ZIP code 99031 is a sparsely populated ZIP (a standard USPS delivery area) in Spangle, Spokane County, Washington, home to just 1,137 residents across 183.4 square miles, a density of 6 people per square mile, in the Los Angeles time zone.
ZIP 99031 lands in the middle-income range, with a median household income of $98,182 (8% above the average Washington ZIP), while per-capita income is $40,978. The poverty rate is 21.3%, so the area-level income figures should not be treated as typical household experience. Home values sit below the statewide ZIP benchmark: the median is $423,500 (17% below the average Washington ZIP), and median rent is $1,183; owner occupancy is 91.8%.
Educational attainment sits below the national norm: 26.3% of adults hold a bachelor's degree or higher, the median age is 47.1, and the average commute is -. The page also surfaces 3 ZIP codes within roughly 10 miles and 6 more in Spokane County, so 99031 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 →
Top industries in ZIP 99031
Top 5 sectors by establishment count in Spangle, WA
Which industries have the most business establishments in ZIP 99031.
- Construction
Construction
9 establishments
- Accommodation and food services
Accommodation and food services
4 establishments
- Manufacturing 3
Manufacturing
3 establishments
- Wholesale trade 3
Wholesale trade
3 establishments
- Real estate and rental and leasing 3
Real estate and rental and leasing
3 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
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 99031, Spangle, 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
1,137
Population
183.4
Area (sq mi)
6
People / sq mi
Los Angeles
Time Zone
standard
ZIP Type
Who lives in ZIP 99031?
47.1
Median Age
55.5%
Male
44.5%
Female
3.9%
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?
$98,182
Median Household Income
+8% vs state ZIP avg
$40,978
Per Capita Income
21.3%
Poverty Rate
7.2%
Unemployment Rate
How ZIP 99031 ranks among Washington ZIPs
Spangle, 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)
$98,182 Top 33% higher than 67% 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
450housing units
450
Total Housing Units
440
Occupied Units
10
Vacant Units
2.48
Avg Household Size
Occupancy Type
$423,500
Median Home Value
-17% vs state ZIP avg
$1,183
Median Rent
1978
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 31 business establishments in ZIP 99031, employing approximately 184 people with a combined annual payroll of $9,118,000.
31
Businesses
184
Employees
$9.1M
Annual Payroll
5
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 9 | 29.0% |
| Accommodation and food services | 4 | 12.9% |
| Manufacturing | 3 | 9.7% |
| Wholesale trade | 3 | 9.7% |
| Real estate and rental and leasing | 3 | 9.7% |
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 99031 vs 99039 →
ZIP 99031 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 99036
Valleyford (99036)
1,448 residents
- 99031
Spangle (99031)
1,137 residents
- 99039 87
Waverly (99039)
87 residents
- 99020 82
Marshall (99020)
82 residents
What this shows Among its immediate neighbors, ZIP 99031 ranks #2 by population - useful context the national average alone can't give.
ZIP 99031 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
- 99031
Spangle (99031)
$98,182 median income
- 99039
Waverly (99039)
$65,909 median income
What this shows By household income, ZIP 99031 ranks #2 of 3 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 99031, both outside WA so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (1,137 here; floor ≥1,000).
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 99031 in?
ZIP code 99031 (Spangle) 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 99031?
ZIP code 99031 in Spangle, WA has a population of 1,137 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 99031?
The median household income in ZIP 99031 is $98,182, which is 29% above the national average of $76,288.
What is the average home value in ZIP 99031?
The median home value in ZIP 99031 is $423,500, which is 52% above the national average of $278,155.
What is the demographic makeup of ZIP 99031?
The largest racial group in ZIP 99031 is White at 83.9%. Hispanic or Latino residents make up 6.1% of the population.
How many businesses are in ZIP code 99031?
ZIP code 99031 has 31 business establishments employing approximately 184 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 99031?
The top industries by establishment count in ZIP 99031 are: Construction (9), Accommodation and food services (4), Manufacturing (3). There are 5 industry sectors represented in total.
What is the education level in ZIP code 99031?
In ZIP code 99031, 56.7% of residents aged 25+ have a high school diploma or higher, and 26.3% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 99031?
In ZIP code 99031, approximately 91.8% of occupied housing units are owner-occupied and 8.2% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 99031?
The poverty rate in ZIP code 99031 is 21.3% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 99031's numbers, next.
- See how ZIP 99031 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Spangle, 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.