Hartline, WA · standard
ZIP Code 99135
Grant County, Washington - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 255
- 1/sq mi Low-density area
- $80,469
- Median income Near-median income area
- 23.0%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
Hartline pairs an above-median household income, in a rural, homeowner-dominated area.
- Top 37%
- household income, US ZIPs
- 1
- people per sq mi
- 93%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 99135 against every reporting US ZIP.
ZIP code 99135 is a sparsely populated ZIP (a standard USPS delivery area) in Hartline, Grant County, Washington, home to just 255 residents across 425.0 square miles, a density of 1 people per square mile, in the Los Angeles time zone.
ZIP 99135 lands in the middle-income range, with a median household income of $80,469 (11% below the average Washington ZIP), while per-capita income is $33,187. Both reported hardship measures are comparatively low in absolute terms: poverty is 3.5% and unemployment is 0.6%. The ACS does not report a median home value for this ZIP, so housing cost context is limited to the available tenure and rent fields.
Educational attainment sits below the national norm: 23.0% of adults hold a bachelor's degree or higher, the median age is 35.5, and the average commute is -. No nearby ZIP peer set is available for this delivery area, so the Washington and national benchmarks above are the appropriate context for 99135.
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 99135, Hartline, 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
255
Population
425.0
Area (sq mi)
1
People / sq mi
Los Angeles
Time Zone
standard
ZIP Type
Who lives in ZIP 99135?
35.5
Median Age
57.2%
Male
42.8%
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?
$80,469
Median Household Income
-11% vs state ZIP avg
$33,187
Per Capita Income
3.5%
Poverty Rate
0.6%
Unemployment Rate
How ZIP 99135 ranks among Washington ZIPs
Hartline, 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)
$80,469 45th percentile higher than 45% 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
195housing units
195
Total Housing Units
167
Occupied Units
28
Vacant Units
2.37
Avg Household Size
Occupancy Type
$393
Median Rent
1938
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 4 business establishments in ZIP 99135, employing approximately 24 people with a combined annual payroll of $1,172,000.
4
Businesses
24
Employees
$1.2M
Annual Payroll
1
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Transportation and warehousing | 3 | 75.0% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 99135, 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 Grant County
Related Areas
Frequently Asked Questions
What county is ZIP code 99135 in?
ZIP code 99135 (Hartline) is located in Grant County, Washington. Grant County contains multiple ZIP codes, see the full list at /counties/grant-wa.
What is the population of ZIP code 99135?
ZIP code 99135 in Hartline, WA has a population of 255 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 99135?
The median household income in ZIP 99135 is $80,469, which is 5% above the national average of $76,288.
What is the demographic makeup of ZIP 99135?
The largest racial group in ZIP 99135 is White at 96.2%. Hispanic or Latino residents make up 0.5% of the population.
How many businesses are in ZIP code 99135?
ZIP code 99135 has 4 business establishments employing approximately 24 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 99135?
In ZIP code 99135, 53.7% of residents aged 25+ have a high school diploma or higher, and 23.0% 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 99135?
In ZIP code 99135, approximately 92.8% of occupied housing units are owner-occupied and 7.2% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 99135?
The poverty rate in ZIP code 99135 is 3.5% 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 99135's numbers, next.
- See how ZIP 99135 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Hartline, 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.