Hay, WA · standard
ZIP Code 99136
Whitman County, Washington - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 29
- 1/sq mi Low-density area
- $87,708
- Median income Above-median income area
- 0.0%
- Bachelor's or higher Below-average bachelor's attainment
National ZIP placement
Hay pairs an above-median household income, in a rural, homeowner-dominated area.
- Top 29%
- household income, US ZIPs
- 1
- people per sq mi
- 100%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 99136 against every reporting US ZIP.
ZIP code 99136 is a sparsely populated ZIP (a standard USPS delivery area) in Hay, Whitman County, Washington, home to just 29 residents across 48.3 square miles, a density of 1 people per square mile, in the Los Angeles time zone.
With fewer than 100 residents on file, this page keeps the Census figures below and skips the multi-chart expansion used on larger ZIPs. Small-N ACS estimates are already unstable enough without padding the page around them. Median household income is $87,708.
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 99136, Hay, 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
29
Population
48.3
Area (sq mi)
1
People / sq mi
Los Angeles
Time Zone
standard
ZIP Type
Who lives in ZIP 99136?
82.2
Median Age
78.6%
Male
21.4%
Female
0.0%
Foreign-Born
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$87,708
Median Household Income
-4% vs state ZIP avg
$53,479
Per Capita Income
0.0%
Poverty Rate
How ZIP 99136 ranks among Washington ZIPs
Hay, 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)
$87,708 Top 47% higher than 53% 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 does housing look like?
Housing stock: occupied vs vacant
20housing units
20
Total Housing Units
11
Occupied Units
9
Vacant Units
1.27
Avg Household Size
Occupancy Type
1938
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
Nearby ZIP Codes
Want a side-by-side? Compare 99136 vs 99143 →
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 99143 | Lacrosse, WA | 650 | 6.5 mi |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 99136, 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.
Related Areas
Frequently Asked Questions
What county is ZIP code 99136 in?
ZIP code 99136 (Hay) is located in Whitman County, Washington. Whitman County contains multiple ZIP codes, see the full list at /counties/whitman-wa.
What is the population of ZIP code 99136?
ZIP code 99136 in Hay, WA has a population of 29 according to the Census Bureau ACS 2023 estimates.
Take this with you
What to do with ZIP 99136's numbers, next.
- See how ZIP 99136 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Hay, 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.