Zip Code 99012 — Fairfield, WA

ZIP Code 99012 is associated with Fairfield, WA, in Spokane County. The listed population estimate is 1,167; estimated density is 4.8 people per square mile. Among records with population estimates, it ranks #32 of 40 in Spokane County and #410 of 597 in WA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (47.381370, -117.191450)

Data MetricLocal Statistic
Postal / Zip Code99012
Primary CityFairfield
State / ProvinceWA
CountySpokane
Total Population1,167
Population Density4.8 people/sq mi
TimezoneAmerica/Los_Angeles

How 99012 Compares

MetricZIP 99012Spokane County recordsWA records
Population estimate1,167558,641 (sum)7,816,021 (sum)
Population Density4.8 /sq mi----
County population rank#32 of 40----
State population rank#410 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 99039Waverly3.5 mi166
ZIP 99018Latah6.5 mi272
ZIP 99030Rockford7.6 mi919
ZIP 99031Spangle8.3 mi1,251
ZIP 99036Valleyford10.3 mi1,581

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 →