Skip to content

ZIP code 99135: Hartline, WA

99135 is a ZIP code in Hartline, Washington, mainly in Grant County, part of the Moses Lake, WA micro area. About 395 people live here.

Population
395
Median household income
$80,469
Typical home value
$216,800+1.9% in 12 months
Median rent
$393gross, per month
Median age
35.5
Homeowners
92.8%of occupied homes
Loading map…

Shaded: ZIP code 99135's area. Click anywhere on the map to see which ZIP code it's in.

ZIP codes within 10 milesWithin 25 miles

ZIP code 99135 details

CityHartline
StateWashington
CountyGrant County
Metro areaMoses Lake, WA
Time zonePacific Time (UTC−8), observes daylight saving time
TypeStandard (delivery area)
Land area173.6 sq mi, plus 0 sq mi of water
Population density2 people per sq mi
Bachelor's degree or higher23% of adults 25+
Average commute34.5 minutes
Center coordinates47.66113, -119.09125

ZIP codes near 99135

ZIP codeCityDistancePopulation
99103Almira, WA9.3 mi556
99115Coulee City, WA13.4 mi1,369
98860Wilson Creek, WA13.7 mi277
99123Electric City, WA15.7 mi977
98853Stratford, WA16.1 mi6
99185Wilbur, WA18.3 mi1,501
98832Marlin, WA23.0 mi87
98851Soap Lake, WA23.3 mi4,437

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

Buying a home in 99135?

A typical home in ZIP code 99135 is worth about $216,800 (Zillow Home Value Index). The median household here earns $80,469 a year. See what buying here would cost per month, with Washington average taxes and insurance filled in.

Monthly payment for a $216,800 homeWhat can a $80,469 income afford?Rental property numbers

About ZIP code 99135

What city is ZIP code 99135?

ZIP code 99135 is in Hartline, WA, in Grant County.

What county is ZIP code 99135 in?

99135 is mainly in Grant County, Washington.

What is the population of ZIP code 99135?

About 395 people live in ZIP code 99135, according to the American Community Survey 2020–2024 5-year estimates.

What time zone is ZIP code 99135 in?

99135 is in Pacific Time (UTC−8). It observes daylight saving time.