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99135
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  3. ZIP Code 99135
Washington (WA)Grant CountyMoses Lake509

ZIP Code 99135 — Hartline, WA

Grant County * Moses Lake metro

Compare

395

Population

$80.5K

Median income

per household

3.5%

Poverty rate

What stands out

  • Median household income: $80.5K.
  • Poverty rate: 3.5% (low poverty; bottom quartile vs US ZIP codes).

Categories vs U.S.

Economy

1 of 4 metrics better than U.S. benchmarks

Median household income

$80.5K

U.S.

$81K

Per-capita income

$33.2K

U.S.

$45K

Housing stress

Rent-burdened renters (≥30%)

25.0%

U.S.

51.1%

Severely rent-burdened (≥50%)

25.0%

U.S.

25.9%

Affordability Ratios

Rent-to-Income

5.9%

Below 30% threshold

Income distribution

Share of households by income bracket (ACS).

< $50k
43.1%
$50–100k
29.9%
$100–200k
25.1%
$200k+
1.8%

Health

3 of 6 available metrics better than U.S.

CDC PLACES modeled ZCTA-level estimates (adult prevalence).

Obesity

38.7%

U.S.

33.3%

Diabetes

11.7%

U.S.

12.0%

Current smoking

14.7%

U.S.

13.1%

Connectivity

3 of 3 metrics better than U.S.

Best available speed

1,000Mbps

Gigabit speeds reported

100+ Mbps coverage

100.0%

U.S.

85.3%

Gigabit ready

100.0%

U.S.

8.6%

5G available

94.6%

U.S.

77.4%

Learning

Education metrics come from ACS 5-year estimates for ZIP Code Tabulation Areas (ZCTAs).

Bachelor's degree+ (age 25+)

22.9%

U.S.

35.7%

ZIP-level estimates can have higher margins of error than county/state totals; treat small differences as noise.

School districts

Coulee-Hartline School District

Map

ZIP 99135

Hartline, WA

Population

395

Area

173.6 sq mi

Density

2.3/sq mi

Neighbors

9883298860991039911599123
More Details

Census Tracts

1 tracts overlap this ZIP. Hover over segments to explore.

100%

Tract 101

100%

Total tracts: 1Coverage: 100.0%

Representation

U.S. House

ZIP codes can span multiple congressional districts. Overlap percentages are approximate by land area. Verify by address.

100%

WA-4

100%

Districts: 1Coverage: 100.0%

Data freshness

ACS 5-Year
2020–2024
CDC PLACES
2025
Broadband
2020-12
Mobile
2025-11-24
Page Updated
2026-02-23

Release schedule and upstream dates: Sources.

Data sources

US Census Bureau (ACS 5-year)HUD USPS ZIP crosswalkUS Census TIGER/Line (geometry inputs)US Census TIGER/Line (school districts)US Census Bureau (ZCTA-to-tract relationship, 2020)US Census Bureau (2020 ZCTA-to-congressional-district relationship file, CD119)CDC PLACES (ZCTA)FCC (Form 477 broadband)FCC (Mobile Broadband Data Collection)

Derived statistics

  • ZIP pages use Census ZIP Code Tabulation Areas (ZCTAs), not USPS delivery routes.
  • Population density is computed as population ÷ land area.
  • Overlap percentages (tracts and districts) are derived from map geometry and are approximate.

Data accuracy & methodology

ZIP pages combine 2020–2024 ACS 5-year ZCTA estimates with other public datasets when available (see Sources). Connectivity metrics use FCC coverage data, not ACS. ZIP-level estimates can have higher margins of error than county/state totals; treat small differences as statistical noise rather than precise changes.