Fairfax
Fairfax is significantly wealthier than the US average, with a median household income of $114,375. The city has more than doubled in size since 2000, adding 2,011 residents. Median home value has more than doubled since 2000, reaching $274,500. It ranks in the top 5% of US cities for household income. Households here earn about 52% more than the Iowa median.
Population & growth
PEP 2025 EST:2,925 residents (Census Bureau Vintage 2025, released March 2026)
Income & economy
Housing
Race & ethnicity
Education
Commute & transportation
Work & employment
People & community
Places similar to Fairfax
Compare Fairfax to nearby cities
How many people live in Fairfax, Iowa?
Fairfax, Iowa has about 2,900 residents according to the 2024 American Community Survey.
What is the median household income in Fairfax, Iowa?
The typical household in Fairfax, Iowa earns about $114,375 a year. Half of households make more than that, and half make less.
Is Fairfax, Iowa expensive?
In Fairfax, Iowa, the median home is worth about $274,500, and the typical rent is about $1,366 a month.
How educated are people in Fairfax, Iowa?
About 35.1% of adults age 25 and over in Fairfax, Iowa hold a bachelor's degree or higher.
What is the poverty rate in Fairfax, Iowa?
About 6.2% of people in Fairfax, Iowa live below the federal poverty line.
Has Fairfax, Iowa grown since 1990?
Yes, Fairfax, Iowa has grown since 1990. The population has added about 2,117 residents, a change of about 270 percent over that period.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024