Home > WA > Grant County > Hartline > Zip 99135

Zip Code 99135 — Hartline, WA

ZIP Code 99135 is associated with Hartline, WA, in Grant County. The listed population estimate is 395; estimated density is 0.9 people per square mile. Among records with population estimates, it ranks #10 of 14 in Grant County and #508 of 597 in WA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (47.656580, -119.096080)

Data MetricLocal Statistic
Postal / Zip Code99135
Primary CityHartline
State / ProvinceWA
CountyGrant
Total Population395
Population Density0.9 people/sq mi
TimezoneAmerica/Los_Angeles

How 99135 Compares

MetricZIP 99135Grant County recordsWA records
Population estimate39597,918 (sum)7,816,021 (sum)
Population Density0.9 /sq mi----
County population rank#10 of 14----
State population rank#508 of 597----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in WA

ZIP CodeCityDistancePopulation estimate
ZIP 99103Almira9.2 mi556
ZIP 98860Wilson Creek13.0 mi277
ZIP 99115Coulee City13.7 mi1,369
ZIP 99123Electric City16.8 mi977
ZIP 98853Stratford16.9 mi6

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →