Home > WA > Whitman County > Lacrosse > Zip 99143

Zip Code 99143 — Lacrosse, WA

ZIP Code 99143 is associated with Lacrosse, WA, in Whitman County. The listed population estimate is 585; estimated density is 0.7 people per square mile. Among records with population estimates, it ranks #10 of 20 in Whitman County and #466 of 597 in WA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (46.746270, -117.858690)

Data MetricLocal Statistic
Postal / Zip Code99143
Primary CityLacrosse
State / ProvinceWA
CountyWhitman
Total Population585
Population Density0.7 people/sq mi
TimezoneAmerica/Los_Angeles

How 99143 Compares

MetricZIP 99143Whitman County recordsWA records
Population estimate58547,284 (sum)7,816,021 (sum)
Population Density0.7 /sq mi----
County population rank#10 of 20----
State population rank#466 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 99136Hay6.5 mi14
ZIP 99333Hooper14.6 mi151
ZIP 99125Endicott14.6 mi611
ZIP 99105Benge16.1 mi41
ZIP 99359Starbuck20.4 mi94

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 →