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zipcodes.pro — CITY/IL/COLFAX

Colfax ZIP code, Illinois

The ZIP code for Colfax, IL is 61728, and its area code is 309.

USPS city name
1 ZIP code
Population
1,054
Area code
309

Colfax in numbers

About 1,054 people live in Colfax, in 395 households. The median household income is $70,625 a year, 15% below the Illinois median of $83,390 (US: $80,734). The median owner-occupied home is valued at $136,300 (48% below the Illinois median), and median gross rent is $875 a month. The median age is 36.3; 23.3% of adults 25 and over hold a bachelor's degree or higher (37.8% across Illinois); the average commute takes 31 minutes.

Population1,054Colfax1,054
Households395Colfax395
Median age36.3Colfax36.3Illinois39.0US 38.9
Median household income$70,625Colfax$70,625Illinois$83,390US $80,734
Median home value$136,300Colfax$136,300Illinois$263,300US $332,700
Median gross rent$875Colfax$875Illinois$1,274US $1,413
Bachelor's degree or higher23.3%Colfax23.3%Illinois37.8%US 35.7%
Mean commute30.7 minColfax30.7 minIllinois27.8 minUS 26.4 min
Population density1,906 / sq miColfax1,906 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Colfax village. 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
61728 Colfax , IL Standard 1,359 $97,159 $155,200

Map of Colfax ZIP codes

61728

The ZIP codes of Colfax, IL, 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 Lexington (2,126 people, 10 mi), Chenoa (1,647 people, 13 mi) and Fairbury (3,713 people, 13 mi).

Towns near Colfax
TownPopulationDistance
Fairbury 3,713 13.5 mi
Gibson City 3,434 14.2 mi
Le Roy 3,236 17.5 mi
Bloomington 78,907 19.6 mi
Normal 53,569 20.0 mi
Pontiac 11,294 22.3 mi
El Paso 2,917 24.3 mi
Heyworth 2,573 26.4 mi
Paxton 4,131 28.0 mi
Mahomet 10,049 28.6 mi

More nearby: every ZIP code in McLean County · Illinois ZIP codes

Cite this page

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

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