All Countries
Fairfax, IA
Full City Profile · Iowa · Johnson County County
3.7
/5.0
B+
Good
2,865
Population
789/sq mi density
$120,552
Median Income
$45,288 per capita
$278,800
Home Value
$294,828 Zillow
$1,188
Median Rent
26.8% income on rent
48°F
Avg Temperature
275 sunny days/yr
299
Violent Crime/100K
3,842 property/100K
B+
Overall
3.7 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
5.0 / 5.0
$120,552 median income, 1.3% unemployment
A+
Affordability
5.0 / 5.0
$278,800 home value, $1,188/mo rent
F
Safety
1.0 / 5.0
299 violent crimes/100K
B+
Education
4.0 / 5.0
36.9% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
+22%
2,386 → 2,911
over 10 years
Annual Pop. Growth
+2.01%
Compound annual growth rate
Median Income Change
+47.6%
$81,667 → $120,552
nominal, not inflation-adjusted
Annual Income Growth
+3.97%
Compound annual growth rate
Population Over Time
Total population for Fairfax across each available Census ACS release.
Median Household Income Over Time
Median household income reported by U.S. Census ACS. Values are nominal (not adjusted for inflation).
Projected 2030
Simple projections extrapolating the 2013–2023 compound annual growth rate forward. These are mathematical extensions of recent trends, not forecasts — real outcomes depend on migration, policy and economic shifts.
Projected Population 2030
3,346
+435 from 2023 (2,911)
Projected Median Income 2030
$158,318
+$37,766 from 2023 ($120,552)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 2,386 | — | $81,667 | — |
| 2015 | 2,523 | +5.7% | $87,548 | +7.2% |
| 2017 | 2,662 | +5.5% | $93,103 | +6.3% |
| 2019 | 2,856 | +7.3% | $97,643 | +4.9% |
| 2021 | 2,860 | +0.1% | $108,906 | +11.5% |
| 2023 | 2,911 | +1.8% | $120,552 | +10.7% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.