ZIP codes
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Fairfax, IA Demographics & ZIP Codes
Fairfax, Iowa demographics and median household income by ZIP code (in Linn County) — 1 ZIP codes — population 3,865 — median income $121,366 — avg. home value $301,600. Compare income, housing, and population across ZIP codes on US5.
Population
3,865
Median household income (avg.)
$121,366
162% of U.S. median
Average home value
$301,600
87% of U.S. median
Average rent
$1,063
91% of U.S. median
Median age (avg.)
39.3
Fairfax demographics
Fairfax, Iowa covers 1 ZIP code primarily in Linn County, with a combined ZIP-area population of about 3,865.
Across ZIP codes with age data, the average median age is about 39.3 years.
Median household income in Fairfax
The average median household income across ZIP codes in Fairfax, Iowa is about $121,366 — about 64% above the IA ZIP average ($74,194), and about 62% above the U.S. median ($75,149).
The highest median household income among listed ZIPs is about $121,366 in 52228.
Housing in Fairfax
For housing in Fairfax, Iowa, the average median home value is about $301,600 and the average median rent is about $1,063.
The most populous ZIP in this set is 52228 (about 3,865 residents). Use the table below to compare population, income, and home values across codes.
ZIP codes in Fairfax
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 52228 | Fairfax | Linn County | IA | 3,865 | $121,366 | $301,600 |
Frequently asked questions
What are the demographics of Fairfax?
Fairfax, Iowa has a combined ZIP-area population of about 3,865 across 1 ZIP codes (primarily Linn County). Browse the ZIP table below for population, income, and housing by code.
What is the median household income in Fairfax?
The average median household income across ZIP codes in Fairfax, Iowa is about $121,366, about 64% above the state ZIP average ($74,194), and about 62% above the U.S. median ($75,149). Average median home value is about $301,600.
How many ZIP codes are in Fairfax?
Fairfax, Iowa includes 1 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Fairfax?
This page lists ZIP codes in Fairfax, Iowa with population, median household income, and home value. Select a ZIP for a full demographics profile.