BASIC INFORMATION
WHO (must file):
Residents:
Single: Must file if your net income is
greater than $9,000.
Married Filing Separate: Must file is
your net income is greater than $13,500.
Married Filing Jointly: Must file if your
net income is greater than $13,500.
Head of Household: Must file if your net
income is greater than $13,500.
Nonresidents:
If your net income from Iowa sources was
greater than $1,000
or you were subject to Iowa lump-sum tax
or Iowa minimum tax.
WHAT (forms do you file)
Residents:
Form IA1040 Iowa Individual Income Tax
Return
Nonresidents:
Forms IA1040 and IA126 Iowa Individual
Income Tax Return
WHEN (are the tax returns due)
Original due date: April 30th
Extended due date: October 31st
WHERE (do you mail the tax returns)
If you are expecting a refund, send to:
Iowa Income Tax- Refund Processing
Hoover State Office Building
Des Moines, IA 50319-0120
If you are paying additional tax, send
return, payment and payment voucher to:
Iowa Income Tax- Document Processing
P.O. Box 9187
Des Moines, IA 50306-9187
