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zipcodes.pro — CITY/WA/COLFAX

Colfax ZIP code, Washington

The ZIP code for Colfax, WA is 99111, and its area code is 509.

USPS city name
1 ZIP code
Overlapping the city
1 more
Population
2,708
Area code
509

Mail addressed to Colfax uses the ZIP code above. 1 more ZIP code covers part of the city but is addressed as somewhere else; they are listed separately below.

Colfax in numbers

About 2,708 people live in Colfax, in 1,167 households. The median household income is $61,914 a year, 37% below the Washington median of $98,141 (US: $80,734). The median owner-occupied home is valued at $245,300 (57% below the Washington median), and median gross rent is $946 a month. The median age is 39.4; 32.3% of adults 25 and over hold a bachelor's degree or higher (39.6% across Washington); the average commute takes 17 minutes.

Population2,708Colfax2,708
Households1,167Colfax1,167
Median age39.4Colfax39.4Washington38.3US 38.9
Median household income$61,914Colfax$61,914Washington$98,141US $80,734
Median home value$245,300Colfax$245,300Washington$564,600US $332,700
Median gross rent$946Colfax$946Washington$1,760US $1,413
Bachelor's degree or higher32.3%Colfax32.3%Washington39.6%US 35.7%
Mean commute16.8 minColfax16.8 minWashington26.6 minUS 26.4 min
Population density716 / sq miColfax716 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Colfax city. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Colfax

ZIP codes with the USPS city name Colfax
ZIP City Type Population Median income Median home
99111 Colfax , WA Standard 4,038 $73,393 $295,800

Other ZIP codes overlapping Colfax

These ZIP codes cover part of Colfax but are addressed as somewhere else.

ZIP codes overlapping Colfax
ZIP City Type Population Median income Median home
99130 Garfield , WA Standard 693 $82,000 $232,100

Map of Colfax ZIP codes

99111

The ZIP codes of Colfax, WA, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Colfax

The nearest larger towns are Pullman (32,229 people, 15 mi), Moscow, ID (26,286 people, 20 mi) and Clarkston (7,191 people, 37 mi).

Towns near Colfax
TownPopulationDistance
Pullman 32,229 14.5 mi
Moscow, ID 26,286 19.5 mi

More nearby: every ZIP code in Whitman County · Washington ZIP codes

Cite this page

zipcodes.pro. “Colfax, WA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/wa/colfax

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