Ia County Directory
County-level affordability, income limits, and rent data from official HUD, IRS, and BLS sources.
Updated Jun 19, 2026 · Dataset v2 · HUD FY2026 · FMR FY2026 · IRS 2025 · BLS CPI-U 2013–2025
Ia at a glance
Counties indexed
99
State median income
$96,100
per year · HUD Area Median Income
State median FMR (2BR)
$919
per month · HUD Fair Market Rent
Top counties by signal
Highest median income
- 1.Story County$122,400/yr
- 2.Johnson County$121,400/yr
- 3.Dallas County$116,400/yr
- 4.Guthrie County$116,400/yr
- 5.Madison County$116,400/yr
Highest Fair Market Rent (2BR)
- 1.Harrison County$1,368/mo
- 2.Mills County$1,368/mo
- 3.Pottawattamie County$1,368/mo
- 4.Dallas County$1,318/mo
- 5.Guthrie County$1,318/mo
Highest rent burden
- 1.Wapello County15.4%
- 2.Appanoose County15.3%
- 3.Des Moines County15.1%
- 4.Harrison County14.4%
- 5.Mills County14.4%
Burden = (12 × FMR 2BR) ÷ median income
Featured clusters
County groupings by affordability profile.
Income Leaders
Highest HUD Area Median Income
Most Affordable
Lowest annual rent burden
High Rent Markets
Highest HUD Fair Market Rents
Frequently asked questions
How many counties are in Ia?
Ia has 99 counties indexed in the GovCalculator dataset, sourced from HUD, IRS, and BLS public data.
Which county in Ia has the highest median income?
Story County has the highest HUD Area Median Income in Ia at $122,400 per year.
Which county in Ia has the highest Fair Market Rent?
Pottawattamie County has the highest HUD Fair Market Rent (2-bedroom) in Ia at $1,368 per month.
Which county in Ia is most affordable relative to income?
Benton County has the lowest annual rent burden in Ia — approximately 10.1% of median income spent on a 2-bedroom Fair Market Rent. Rent burden is calculated as (12 × FMR 2BR) ÷ Area Median Income.