Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

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zipcodes.pro — CITY/IA/FAIRFAX

Fairfax ZIP code, Iowa

The ZIP code for Fairfax, IA is 52228, and its area code is 319.

USPS city name
1 ZIP code
Overlapping the city
1 more
Population
2,900
Area code
319
State
Iowa

Mail addressed to Fairfax 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.

Fairfax in numbers

About 2,900 people live in Fairfax, in 1,018 households. The median household income is $114,375 a year, 52% above the Iowa median of $75,059 (US: $80,734). The median owner-occupied home is valued at $274,500 (32% above the Iowa median), and median gross rent is $1,366 a month. The median age is 38.5; 35.1% of adults 25 and over hold a bachelor's degree or higher (31.4% across Iowa); the average commute takes 22 minutes.

Population2,900Fairfax2,900
Households1,018Fairfax1,018
Median age38.5Fairfax38.5Iowa38.6US 38.9
Median household income$114,375Fairfax$114,375Iowa$75,059US $80,734
Median home value$274,500Fairfax$274,500Iowa$208,000US $332,700
Median gross rent$1,366Fairfax$1,366Iowa$972US $1,413
Bachelor's degree or higher35.1%Fairfax35.1%Iowa31.4%US 35.7%
Mean commute22.2 minFairfax22.2 minIowa19.8 minUS 26.4 min
Population density800 / sq miFairfax800 / sq mi

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

ZIP codes addressed as Fairfax

ZIP codes with the USPS city name Fairfax
ZIP City Type Population Median income Median home
52228 Fairfax , IA Standard 3,802 $118,125 $308,900

Other ZIP codes overlapping Fairfax

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

ZIP codes overlapping Fairfax
ZIP City Type Population Median income Median home
52404 Cedar Rapids , IA Standard 42,958 $61,870 $168,600

Map of Fairfax ZIP codes

52228

The ZIP codes of Fairfax, IA, 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 Fairfax

The nearest larger towns are Cedar Rapids (137,264 people, 5.7 mi), Hiawatha (7,206 people, 10 mi) and Robins (3,332 people, 12 mi).

Towns near Fairfax
TownPopulationDistance
Cedar Rapids 137,264 5.7 mi
Hiawatha 7,206 10.1 mi
Robins 3,332 11.9 mi
Marion 41,896 12.8 mi
North Liberty 21,125 15.2 mi
Tiffin 5,737 16.5 mi
Solon 3,152 16.5 mi
Marengo 2,725 17.4 mi
Center Point 2,562 17.8 mi
Mount Vernon 4,513 18.1 mi
Coralville 23,234 18.2 mi
Vinton 4,948 20.8 mi
Williamsburg 3,360 21.5 mi
Iowa City 75,752 22.6 mi

More nearby: every ZIP code in Linn County · Iowa ZIP codes

Cite this page

zipcodes.pro. “Fairfax, IA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ia/fairfax

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